FIB

91c2_679b

A mutant screen was carried out to produce the diagram below. The diagram shows different classes (1-4) of mutants for metabolic precursors (W-Z) of a metabolic pathway to produce a product were characterized to either grow (+) or not grow (–) in minimal media.

	W	X	Y	Z
Class 1	+	+	–	+
Class 2	+	+	+	+
Class 3	–	+	–	+
Class 4	–	+	–	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YWXZ.

YWZX FIB

2290_98e0

	W	X	Y	Z
Class 1	–	+	–	+
Class 2	–	–	–	+
Class 3	+	+	+	+
Class 4	–	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WYZX.

WYXZ FIB

c738_70cb

	W	X	Y	Z
Class 1	+	+	–	–
Class 2	+	+	+	–
Class 3	+	–	–	–
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XZYW.

ZYXW FIB

1679_98e0

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	–	–	–	+
Class 3	–	+	–	+
Class 4	–	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZXWY.

WYXZ FIB

1156_1db4

	W	X	Y	Z
Class 1	–	–	–	+
Class 2	+	+	–	+
Class 3	+	+	+	+
Class 4	+	–	–	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZWXY.

YXWZ FIB

caf9_911a

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	–	+	–	–
Class 3	+	+	–	–
Class 4	+	+	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WXZY.

ZYWX FIB

c093_5c30

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	–	–	–	+
Class 3	+	–	+	+
Class 4	+	–	–	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YZWX.

XYWZ FIB

fe57_3503

	W	X	Y	Z
Class 1	+	–	+	–
Class 2	+	–	+	+
Class 3	+	+	+	+
Class 4	–	–	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XYZW.

XZWY FIB

7ef9_dec0

	W	X	Y	Z
Class 1	–	+	–	–
Class 2	+	+	+	+
Class 3	–	+	–	+
Class 4	–	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YZXW.

WYZX FIB

5d13_fbc1

	W	X	Y	Z
Class 1	+	–	+	+
Class 2	+	–	–	+
Class 3	+	+	+	+
Class 4	+	–	–	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YZWX.

XYZW FIB

dfab_679b

	W	X	Y	Z
Class 1	–	+	–	–
Class 2	+	+	+	+
Class 3	+	+	–	+
Class 4	–	+	–	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZXWY.

YWZX FIB

f3bb_643e

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	–	–	–	+
Class 3	+	–	+	+
Class 4	–	–	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XZWY.

XWYZ FIB

3fe4_74ca

	W	X	Y	Z
Class 1	+	–	–	–
Class 2	+	+	+	+
Class 3	+	+	+	–
Class 4	+	–	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZYXW.

ZXYW FIB

7091_70cb

	W	X	Y	Z
Class 1	+	+	–	–
Class 2	+	+	+	–
Class 3	+	+	+	+
Class 4	+	–	–	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XZWY.

ZYXW FIB

2091_74ca

	W	X	Y	Z
Class 1	+	+	+	–
Class 2	+	+	+	+
Class 3	+	–	+	–
Class 4	+	–	–	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XZYW.

ZXYW FIB

2902_70cb

	W	X	Y	Z
Class 1	+	+	–	–
Class 2	+	–	–	–
Class 3	+	+	+	+
Class 4	+	+	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YZWX.

ZYXW FIB

fc66_f7c2

	W	X	Y	Z
Class 1	+	–	+	+
Class 2	+	–	+	–
Class 3	+	–	–	–
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WXZY.

XZYW FIB

3af5_d2c3

	W	X	Y	Z
Class 1	–	+	–	–
Class 2	+	+	+	+
Class 3	–	+	+	–
Class 4	–	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WYZX.

WZYX FIB

3972_8a04

	W	X	Y	Z
Class 1	+	+	+	–
Class 2	+	+	+	+
Class 3	–	+	+	–
Class 4	–	–	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YXZW.

ZWXY FIB

e40a_70cb

	W	X	Y	Z
Class 1	+	+	+	–
Class 2	+	+	–	–
Class 3	+	+	+	+
Class 4	+	–	–	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XWZY.

ZYXW FIB

a38d_dec0

	W	X	Y	Z
Class 1	–	+	–	–
Class 2	+	+	+	+
Class 3	–	+	–	+
Class 4	–	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZWXY.

WYZX FIB

3df2_8a04

	W	X	Y	Z
Class 1	–	–	+	–
Class 2	–	+	+	–
Class 3	+	+	+	–
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZYXW.

ZWXY FIB

9d54_1db4

	W	X	Y	Z
Class 1	–	–	–	+
Class 2	+	–	–	+
Class 3	+	+	–	+
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YZXW.

YXWZ FIB

ff7b_f7c2

	W	X	Y	Z
Class 1	+	–	–	–
Class 2	+	–	+	–
Class 3	+	–	+	+
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YWZX.

XZYW FIB

9990_679b

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	+	+	–	+
Class 3	–	+	–	+
Class 4	–	+	–	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XZWY.

YWZX FIB

bfd0_1db4

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	–	–	–	+
Class 3	+	–	–	+
Class 4	+	+	–	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WZYX.

YXWZ FIB

f52d_5396

	W	X	Y	Z
Class 1	+	+	–	–
Class 2	–	+	–	–
Class 3	+	+	+	+
Class 4	+	+	–	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XWYZ.

YZWX FIB

e3dc_98e0

	W	X	Y	Z
Class 1	–	+	–	+
Class 2	+	+	+	+
Class 3	–	+	+	+
Class 4	–	–	–	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WYZX.

WYXZ FIB

31ad_5396

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	+	+	–	+
Class 3	+	+	–	–
Class 4	–	+	–	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZYXW.

YZWX FIB

c42f_010e

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	+	–	+	+
Class 3	–	–	+	–
Class 4	–	–	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZYWX.

XWZY FIB

557e_b60b

	W	X	Y	Z
Class 1	–	–	+	–
Class 2	+	–	+	–
Class 3	+	+	+	+
Class 4	+	+	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZWYX.

ZXWY FIB

57f8_010e

	W	X	Y	Z
Class 1	–	–	+	–
Class 2	+	–	+	+
Class 3	+	+	+	+
Class 4	–	–	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZYXW.

XWZY FIB

71ed_f1d3

	W	X	Y	Z
Class 1	–	–	+	–
Class 2	–	+	+	–
Class 3	–	+	+	+
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YXWZ.

WZXY FIB

06a3_d2c3

	W	X	Y	Z
Class 1	–	+	+	+
Class 2	–	+	+	–
Class 3	+	+	+	+
Class 4	–	+	–	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YZWX.

WZYX FIB

874d_010e

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	–	–	+	–
Class 3	–	–	+	+
Class 4	+	–	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WZYX.

XWZY FIB

ffb8_b247

	W	X	Y	Z
Class 1	+	–	–	–
Class 2	+	+	–	+
Class 3	+	+	–	–
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YXWZ.

YZXW FIB

873c_010e

	W	X	Y	Z
Class 1	+	–	+	+
Class 2	–	–	+	+
Class 3	–	–	+	–
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XWYZ.

XWZY FIB

ff9a_d2c3

	W	X	Y	Z
Class 1	–	+	+	–
Class 2	+	+	+	+
Class 3	–	+	–	–
Class 4	–	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WYXZ.

WZYX FIB

baf7_679b

	W	X	Y	Z
Class 1	–	+	–	–
Class 2	+	+	–	+
Class 3	–	+	–	+
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZXWY.

YWZX FIB

ab76_21bb

	W	X	Y	Z
Class 1	–	–	–	+
Class 2	–	+	–	+
Class 3	+	+	–	+
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XYZW.

YWXZ FIB

2373_ba45

	W	X	Y	Z
Class 1	+	+	–	+
Class 2	+	–	–	+
Class 3	+	–	–	–
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZWXY.

YXZW FIB

8741_8a04

	W	X	Y	Z
Class 1	–	–	+	–
Class 2	–	+	+	–
Class 3	+	+	+	+
Class 4	+	+	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WZXY.

ZWXY FIB

03e7_5396

	W	X	Y	Z
Class 1	+	+	–	+
Class 2	+	+	–	–
Class 3	–	+	–	–
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XWZY.

YZWX FIB

bb55_70cb

	W	X	Y	Z
Class 1	+	+	+	–
Class 2	+	–	–	–
Class 3	+	+	–	–
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YWZX.

ZYXW FIB

ceae_fbc1

	W	X	Y	Z
Class 1	+	–	–	+
Class 2	+	–	+	+
Class 3	+	+	+	+
Class 4	+	–	–	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WZXY.

XYZW FIB

1a94_dec0

	W	X	Y	Z
Class 1	–	+	–	–
Class 2	–	+	+	+
Class 3	–	+	–	+
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZWXY.

WYZX FIB

1753_fbc1

	W	X	Y	Z
Class 1	+	–	–	–
Class 2	+	–	–	+
Class 3	+	+	+	+
Class 4	+	–	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZWXY.

XYZW FIB

0f60_9ce1

	W	X	Y	Z
Class 1	–	–	+	+
Class 2	–	–	–	+
Class 3	–	+	+	+
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WYXZ.

WXYZ FIB

597d_fbc1

	W	X	Y	Z
Class 1	+	–	–	+
Class 2	+	–	+	+
Class 3	+	+	+	+
Class 4	+	–	–	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XWYZ.

XYZW FIB

17eb_dec0

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	–	+	–	+
Class 3	–	+	–	–
Class 4	–	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XZWY.

WYZX FIB

ab5e_a914

	W	X	Y	Z
Class 1	+	+	+	–
Class 2	+	+	+	+
Class 3	–	+	–	–
Class 4	–	+	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YWZX.

ZWYX FIB

e14d_9ce1

	W	X	Y	Z
Class 1	–	–	–	+
Class 2	–	+	+	+
Class 3	+	+	+	+
Class 4	–	–	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XZYW.

WXYZ FIB

ae70_b60b

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	–	–	+	–
Class 3	+	–	+	–
Class 4	+	+	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YWZX.

ZXWY FIB

2205_8a04

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	–	–	+	–
Class 3	–	+	+	–
Class 4	+	+	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZXWY.

ZWXY FIB

3f42_679b

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	+	+	–	+
Class 3	–	+	–	–
Class 4	–	+	–	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YZXW.

YWZX FIB

70b0_f9d1

	W	X	Y	Z
Class 1	–	–	+	–
Class 2	–	–	+	+
Class 3	+	+	+	+
Class 4	–	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZXYW.

WXZY FIB

86a8_010e

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	+	–	+	+
Class 3	–	–	+	+
Class 4	–	–	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZYWX.

XWZY FIB

f4d5_d2c3

	W	X	Y	Z
Class 1	–	+	+	+
Class 2	–	+	–	–
Class 3	+	+	+	+
Class 4	–	+	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZYWX.

WZYX FIB

7b0a_3503

	W	X	Y	Z
Class 1	+	–	+	–
Class 2	–	–	+	–
Class 3	+	+	+	+
Class 4	+	–	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZYWX.

XZWY FIB

d0ae_ba45

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	+	–	–	+
Class 3	+	–	–	–
Class 4	+	+	–	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WYXZ.

YXZW FIB

7646_9ce1

	W	X	Y	Z
Class 1	–	–	–	+
Class 2	–	–	+	+
Class 3	+	+	+	+
Class 4	–	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZYWX.

WXYZ FIB

c8dc_f7c2

	W	X	Y	Z
Class 1	+	–	+	+
Class 2	+	+	+	+
Class 3	+	–	+	–
Class 4	+	–	–	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZXWY.

XZYW FIB

7d35_9ce1

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	–	+	+	+
Class 3	–	–	–	+
Class 4	–	–	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZWXY.

WXYZ FIB

0120_a914

	W	X	Y	Z
Class 1	–	+	+	–
Class 2	–	+	–	–
Class 3	+	+	+	+
Class 4	+	+	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YXZW.

ZWYX FIB

c7ba_010e

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	–	–	+	–
Class 3	–	–	+	+
Class 4	+	–	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YWXZ.

XWZY FIB

136e_ba45

	W	X	Y	Z
Class 1	+	–	–	+
Class 2	+	+	+	+
Class 3	+	–	–	–
Class 4	+	+	–	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XWYZ.

YXZW FIB

a746_70cb

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	+	+	–	–
Class 3	+	+	+	–
Class 4	+	–	–	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WZXY.

ZYXW FIB

6cf9_3503

	W	X	Y	Z
Class 1	+	–	+	+
Class 2	+	–	+	–
Class 3	+	+	+	+
Class 4	–	–	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZYWX.

XZWY FIB

acbb_74ca

	W	X	Y	Z
Class 1	+	–	–	–
Class 2	+	+	+	+
Class 3	+	–	+	–
Class 4	+	+	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XWZY.

ZXYW FIB

3861_010e

	W	X	Y	Z
Class 1	–	–	+	+
Class 2	+	–	+	+
Class 3	+	+	+	+
Class 4	–	–	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XYWZ.

XWZY FIB

0f12_21bb

	W	X	Y	Z
Class 1	–	+	–	+
Class 2	+	+	–	+
Class 3	–	–	–	+
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YZXW.

YWXZ FIB

1b71_d2c3

	W	X	Y	Z
Class 1	–	+	–	–
Class 2	+	+	+	+
Class 3	–	+	+	–
Class 4	–	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZXYW.

WZYX FIB

b287_f9d1

	W	X	Y	Z
Class 1	–	–	+	+
Class 2	+	+	+	+
Class 3	–	+	+	+
Class 4	–	–	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YZXW.

WXZY FIB

5cf3_911a

	W	X	Y	Z
Class 1	+	+	+	–
Class 2	–	+	–	–
Class 3	+	+	–	–
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XWZY.

ZYWX FIB

f05a_5396

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	+	+	–	+
Class 3	–	+	–	–
Class 4	+	+	–	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WZXY.

YZWX FIB

e8fc_010e

	W	X	Y	Z
Class 1	–	–	+	+
Class 2	+	+	+	+
Class 3	–	–	+	–
Class 4	+	–	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YZWX.

XWZY FIB

7487_5396

	W	X	Y	Z
Class 1	–	+	–	–
Class 2	+	+	–	+
Class 3	+	+	–	–
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WZYX.

YZWX FIB

0152_21bb

	W	X	Y	Z
Class 1	+	+	–	+
Class 2	+	+	+	+
Class 3	–	+	–	+
Class 4	–	–	–	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XZYW.

YWXZ FIB

1e36_d2c3

	W	X	Y	Z
Class 1	–	+	+	–
Class 2	–	+	–	–
Class 3	+	+	+	+
Class 4	–	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZYXW.

WZYX FIB

63c5_f1d3

	W	X	Y	Z
Class 1	–	+	+	+
Class 2	+	+	+	+
Class 3	–	–	+	–
Class 4	–	+	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WZYX.

WZXY FIB

8750_21bb

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	–	–	–	+
Class 3	+	+	–	+
Class 4	–	+	–	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZXYW.

YWXZ FIB

78d8_98e0

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	–	+	+	+
Class 3	–	–	–	+
Class 4	–	+	–	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WZYX.

WYXZ FIB

1b88_70cb

	W	X	Y	Z
Class 1	+	–	–	–
Class 2	+	+	+	–
Class 3	+	+	+	+
Class 4	+	+	–	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YZWX.

ZYXW FIB

95d2_b247

	W	X	Y	Z
Class 1	+	+	–	+
Class 2	+	+	+	+
Class 3	+	–	–	–
Class 4	+	+	–	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XZYW.

YZXW FIB

6ce8_f1d3

	W	X	Y	Z
Class 1	–	–	+	–
Class 2	–	+	+	+
Class 3	+	+	+	+
Class 4	–	+	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZXYW.

WZXY FIB

a134_5396

	W	X	Y	Z
Class 1	–	+	–	–
Class 2	+	+	–	–
Class 3	+	+	+	+
Class 4	+	+	–	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XWZY.

YZWX FIB

e12b_74ca

	W	X	Y	Z
Class 1	+	–	+	–
Class 2	+	+	+	–
Class 3	+	+	+	+
Class 4	+	–	–	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WYXZ.

ZXYW FIB

2755_911a

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	–	+	–	–
Class 3	+	+	+	–
Class 4	+	+	–	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XWZY.

ZYWX FIB

1bc9_98e0

	W	X	Y	Z
Class 1	–	–	–	+
Class 2	+	+	+	+
Class 3	–	+	–	+
Class 4	–	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZYXW.

WYXZ FIB

208f_b247

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	+	+	–	–
Class 3	+	+	–	+
Class 4	+	–	–	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZWYX.

YZXW FIB

d76a_98e0

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	–	+	+	+
Class 3	–	–	–	+
Class 4	–	+	–	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YWZX.

WYXZ FIB

1586_21bb

	W	X	Y	Z
Class 1	–	–	–	+
Class 2	+	+	–	+
Class 3	+	+	+	+
Class 4	–	+	–	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WYZX.

YWXZ FIB

4453_5c30

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	+	–	+	+
Class 3	–	–	–	+
Class 4	+	–	–	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YXZW.

XYWZ FIB

d89a_74ca

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	+	–	+	–
Class 3	+	+	+	–
Class 4	+	–	–	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZWXY.

ZXYW FIB

8b50_d2c3

	W	X	Y	Z
Class 1	–	+	–	–
Class 2	–	+	+	–
Class 3	+	+	+	+
Class 4	–	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XYZW.

WZYX FIB

b5b5_911a

	W	X	Y	Z
Class 1	–	+	–	–
Class 2	+	+	–	–
Class 3	+	+	+	–
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YXWZ.

ZYWX FIB

e392_f1d3

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	–	+	+	+
Class 3	–	–	+	–
Class 4	–	+	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XYZW.

WZXY FIB

5da7_d2c3

	W	X	Y	Z
Class 1	–	+	+	–
Class 2	+	+	+	+
Class 3	–	+	+	+
Class 4	–	+	–	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YZWX.

WZYX FIB

e836_f7c2

	W	X	Y	Z
Class 1	+	–	+	–
Class 2	+	–	+	+
Class 3	+	+	+	+
Class 4	+	–	–	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZWXY.

XZYW FIB

3161_b60b

	W	X	Y	Z
Class 1	+	–	+	–
Class 2	+	+	+	+
Class 3	–	–	+	–
Class 4	+	+	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZYXW.

ZXWY FIB

5930_fbc1

	W	X	Y	Z
Class 1	+	–	–	+
Class 2	+	–	+	+
Class 3	+	+	+	+
Class 4	+	–	–	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZXWY.

XYZW FIB

d44e_f1d3

	W	X	Y	Z
Class 1	–	+	+	–
Class 2	–	+	+	+
Class 3	–	–	+	–
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZXWY.

WZXY FIB

afbe_679b

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	–	+	–	–
Class 3	+	+	–	+
Class 4	–	+	–	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZWYX.

YWZX FIB

b8d1_a914

	W	X	Y	Z
Class 1	–	+	+	–
Class 2	–	+	–	–
Class 3	+	+	+	–
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZWXY.

ZWYX FIB

cdf2_1db4

	W	X	Y	Z
Class 1	+	–	–	+
Class 2	+	+	–	+
Class 3	+	+	+	+
Class 4	–	–	–	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZYWX.

YXWZ FIB

f00f_b60b

	W	X	Y	Z
Class 1	+	+	+	–
Class 2	+	+	+	+
Class 3	+	–	+	–
Class 4	–	–	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WYXZ.

ZXWY FIB

5b70_74ca

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	+	–	–	–
Class 3	+	+	+	–
Class 4	+	–	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YXWZ.

ZXYW FIB

8a85_b60b

	W	X	Y	Z
Class 1	+	–	+	–
Class 2	–	–	+	–
Class 3	+	+	+	+
Class 4	+	+	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WXYZ.

ZXWY FIB

4ca7_010e

	W	X	Y	Z
Class 1	+	–	+	+
Class 2	–	–	+	+
Class 3	+	+	+	+
Class 4	–	–	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YXWZ.

XWZY FIB

cab1_f9d1

	W	X	Y	Z
Class 1	–	+	+	+
Class 2	–	–	+	+
Class 3	–	–	+	–
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YWZX.

WXZY FIB

2cb3_dec0

	W	X	Y	Z
Class 1	–	+	–	–
Class 2	+	+	+	+
Class 3	–	+	–	+
Class 4	–	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WXYZ.

WYZX FIB

0ea1_911a

	W	X	Y	Z
Class 1	+	+	–	–
Class 2	+	+	+	+
Class 3	+	+	+	–
Class 4	–	+	–	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YZXW.

ZYWX FIB

5b15_010e

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	–	–	+	–
Class 3	–	–	+	+
Class 4	+	–	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XZYW.

XWZY FIB

5fc9_d2c3

	W	X	Y	Z
Class 1	–	+	+	–
Class 2	–	+	–	–
Class 3	+	+	+	+
Class 4	–	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZWXY.

WZYX FIB

d1c0_8a04

	W	X	Y	Z
Class 1	–	+	+	–
Class 2	+	+	+	–
Class 3	+	+	+	+
Class 4	–	–	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WXZY.

ZWXY FIB

4be2_d2c3

	W	X	Y	Z
Class 1	–	+	+	–
Class 2	–	+	–	–
Class 3	–	+	+	+
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WZXY.

WZYX FIB

4e78_010e

	W	X	Y	Z
Class 1	–	–	+	+
Class 2	+	+	+	+
Class 3	–	–	+	–
Class 4	+	–	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YXWZ.

XWZY FIB

3f84_010e

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	–	–	+	+
Class 3	+	–	+	+
Class 4	–	–	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YZXW.

XWZY FIB

9264_98e0

	W	X	Y	Z
Class 1	–	–	–	+
Class 2	–	+	–	+
Class 3	–	+	+	+
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YWXZ.

WYXZ FIB

018f_fbc1

	W	X	Y	Z
Class 1	+	–	–	–
Class 2	+	–	–	+
Class 3	+	–	+	+
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WYXZ.

XYZW FIB

674f_f9d1

	W	X	Y	Z
Class 1	–	–	+	+
Class 2	–	–	+	–
Class 3	–	+	+	+
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XYZW.

WXZY FIB

b130_a914

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	+	+	+	–
Class 3	–	+	–	–
Class 4	–	+	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WZYX.

ZWYX FIB

ce07_3503

	W	X	Y	Z
Class 1	+	–	+	+
Class 2	+	+	+	+
Class 3	+	–	+	–
Class 4	–	–	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZYXW.

XZWY FIB

63aa_8a04

	W	X	Y	Z
Class 1	+	+	+	–
Class 2	+	+	+	+
Class 3	–	–	+	–
Class 4	–	+	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZWYX.

ZWXY FIB

7d27_f9d1

	W	X	Y	Z
Class 1	–	–	+	+
Class 2	+	+	+	+
Class 3	–	+	+	+
Class 4	–	–	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZYWX.

WXZY FIB

566f_dec0

	W	X	Y	Z
Class 1	–	+	–	–
Class 2	+	+	+	+
Class 3	–	+	–	+
Class 4	–	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XZYW.

WYZX FIB

39e1_643e

	W	X	Y	Z
Class 1	–	–	+	+
Class 2	+	–	+	+
Class 3	+	+	+	+
Class 4	–	–	–	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZXYW.

XWYZ FIB

00b4_9ce1

	W	X	Y	Z
Class 1	–	+	+	+
Class 2	–	–	+	+
Class 3	–	–	–	+
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WZYX.

WXYZ FIB

3314_5396

	W	X	Y	Z
Class 1	–	+	–	–
Class 2	+	+	+	+
Class 3	+	+	–	+
Class 4	+	+	–	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YWXZ.

YZWX FIB

3095_fbc1

	W	X	Y	Z
Class 1	+	–	–	–
Class 2	+	–	–	+
Class 3	+	–	+	+
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZYWX.

XYZW FIB

3ca9_f7c2

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	+	–	–	–
Class 3	+	–	+	+
Class 4	+	–	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XWYZ.

XZYW FIB

4eca_8a04

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	–	+	+	–
Class 3	–	–	+	–
Class 4	+	+	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YZXW.

ZWXY FIB

9e43_f7c2

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	+	–	+	+
Class 3	+	–	–	–
Class 4	+	–	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WYXZ.

XZYW FIB

62a8_ba45

	W	X	Y	Z
Class 1	+	+	–	+
Class 2	+	–	–	+
Class 3	+	–	–	–
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XWYZ.

YXZW FIB

0120_d2c3

	W	X	Y	Z
Class 1	–	+	+	–
Class 2	+	+	+	+
Class 3	–	+	–	–
Class 4	–	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YZXW.

WZYX FIB

c6f9_dec0

	W	X	Y	Z
Class 1	–	+	+	+
Class 2	–	+	–	+
Class 3	–	+	–	–
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZWYX.

WYZX FIB

7a31_3503

	W	X	Y	Z
Class 1	+	–	+	–
Class 2	+	–	+	+
Class 3	+	+	+	+
Class 4	–	–	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YXZW.

XZWY FIB

f10e_74ca

	W	X	Y	Z
Class 1	+	–	+	–
Class 2	+	+	+	–
Class 3	+	–	–	–
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YXWZ.

ZXYW FIB

4ef0_9ce1

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	–	–	+	+
Class 3	–	–	–	+
Class 4	–	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YXWZ.

WXYZ FIB

38d3_d2c3

	W	X	Y	Z
Class 1	–	+	–	–
Class 2	+	+	+	+
Class 3	–	+	+	+
Class 4	–	+	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZYXW.

WZYX FIB

dc40_f9d1

	W	X	Y	Z
Class 1	–	–	+	–
Class 2	–	–	+	+
Class 3	+	+	+	+
Class 4	–	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZYXW.

WXZY FIB

3c4d_74ca

	W	X	Y	Z
Class 1	+	+	+	–
Class 2	+	–	–	–
Class 3	+	–	+	–
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XZYW.

ZXYW FIB

e400_21bb

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	–	–	–	+
Class 3	+	+	–	+
Class 4	–	+	–	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YZWX.

YWXZ FIB

c849_21bb

	W	X	Y	Z
Class 1	+	+	–	+
Class 2	–	+	–	+
Class 3	+	+	+	+
Class 4	–	–	–	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YWZX.

YWXZ FIB

e41e_ba45

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	+	–	–	+
Class 3	+	+	–	+
Class 4	+	–	–	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YWXZ.

YXZW FIB

2349_74ca

	W	X	Y	Z
Class 1	+	–	+	–
Class 2	+	+	+	+
Class 3	+	+	+	–
Class 4	+	–	–	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XWZY.

ZXYW FIB

c4f4_f1d3

	W	X	Y	Z
Class 1	–	+	+	–
Class 2	–	+	+	+
Class 3	–	–	+	–
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XWZY.

WZXY FIB

a9e8_98e0

	W	X	Y	Z
Class 1	–	–	–	+
Class 2	+	+	+	+
Class 3	–	+	+	+
Class 4	–	+	–	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YWXZ.

WYXZ FIB

4f2c_643e

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	–	–	+	+
Class 3	–	–	–	+
Class 4	+	–	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WXYZ.

XWYZ FIB

e970_21bb

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	–	+	–	+
Class 3	–	–	–	+
Class 4	+	+	–	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YXZW.

YWXZ FIB

5633_21bb

	W	X	Y	Z
Class 1	–	–	–	+
Class 2	+	+	–	+
Class 3	+	+	+	+
Class 4	–	+	–	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WXYZ.

YWXZ FIB

c6eb_643e

	W	X	Y	Z
Class 1	–	–	+	+
Class 2	–	–	–	+
Class 3	+	+	+	+
Class 4	+	–	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YZWX.

XWYZ FIB

f131_fbc1

	W	X	Y	Z
Class 1	+	–	+	+
Class 2	+	+	+	+
Class 3	+	–	–	+
Class 4	+	–	–	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WZXY.

XYZW FIB

dffb_5c30

	W	X	Y	Z
Class 1	–	–	–	+
Class 2	+	–	–	+
Class 3	+	–	+	+
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YZWX.

XYWZ FIB

ee87_70cb

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	+	+	–	–
Class 3	+	+	+	–
Class 4	+	–	–	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WXZY.

ZYXW FIB

7493_d2c3

	W	X	Y	Z
Class 1	–	+	–	–
Class 2	–	+	+	+
Class 3	+	+	+	+
Class 4	–	+	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XZYW.

WZYX FIB

ed12_a914

	W	X	Y	Z
Class 1	+	+	+	–
Class 2	–	+	–	–
Class 3	+	+	+	+
Class 4	–	+	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YZXW.

ZWYX FIB

f48f_b247

	W	X	Y	Z
Class 1	+	–	–	–
Class 2	+	+	–	–
Class 3	+	+	–	+
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YWZX.

YZXW FIB

78bb_911a

	W	X	Y	Z
Class 1	+	+	+	–
Class 2	–	+	–	–
Class 3	+	+	+	+
Class 4	+	+	–	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WYZX.

ZYWX FIB

8a0e_f1d3

	W	X	Y	Z
Class 1	–	+	+	+
Class 2	–	–	+	–
Class 3	+	+	+	+
Class 4	–	+	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZXYW.

WZXY FIB

48e1_a914

	W	X	Y	Z
Class 1	–	+	+	–
Class 2	–	+	–	–
Class 3	+	+	+	+
Class 4	+	+	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YZXW.

ZWYX FIB

7282_5396

	W	X	Y	Z
Class 1	–	+	–	–
Class 2	+	+	+	+
Class 3	+	+	–	+
Class 4	+	+	–	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YXWZ.

YZWX FIB

51f7_d2c3

	W	X	Y	Z
Class 1	–	+	–	–
Class 2	+	+	+	+
Class 3	–	+	+	+
Class 4	–	+	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YXWZ.

WZYX FIB

59f9_5396

	W	X	Y	Z
Class 1	+	+	–	–
Class 2	–	+	–	–
Class 3	+	+	+	+
Class 4	+	+	–	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZXYW.

YZWX FIB

f43e_1db4

	W	X	Y	Z
Class 1	+	–	–	+
Class 2	–	–	–	+
Class 3	+	+	–	+
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZYWX.

YXWZ FIB

09a3_1db4

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	–	–	–	+
Class 3	+	–	–	+
Class 4	+	+	–	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WXZY.

YXWZ FIB

e0fb_a914

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	–	+	–	–
Class 3	+	+	+	–
Class 4	–	+	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZYWX.

ZWYX FIB

9c21_b247

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	+	–	–	–
Class 3	+	+	–	+
Class 4	+	+	–	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZXWY.

YZXW FIB

5879_911a

	W	X	Y	Z
Class 1	+	+	–	–
Class 2	–	+	–	–
Class 3	+	+	+	+
Class 4	+	+	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XYWZ.

ZYWX FIB

c7fd_d2c3

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	–	+	–	–
Class 3	–	+	+	–
Class 4	–	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZWYX.

WZYX FIB

463d_1db4

	W	X	Y	Z
Class 1	+	+	–	+
Class 2	+	+	+	+
Class 3	+	–	–	+
Class 4	–	–	–	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WYZX.

YXWZ FIB

ce45_5c30

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	+	–	–	+
Class 3	–	–	–	+
Class 4	+	–	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WZXY.

XYWZ FIB

ea97_f7c2

	W	X	Y	Z
Class 1	+	–	+	–
Class 2	+	–	–	–
Class 3	+	–	+	+
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZWYX.

XZYW FIB

376b_5c30

	W	X	Y	Z
Class 1	+	–	–	+
Class 2	+	–	+	+
Class 3	+	+	+	+
Class 4	–	–	–	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YWXZ.

XYWZ FIB

9210_a914

	W	X	Y	Z
Class 1	+	+	+	–
Class 2	–	+	+	–
Class 3	+	+	+	+
Class 4	–	+	–	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WYZX.

ZWYX FIB

952b_d2c3

	W	X	Y	Z
Class 1	–	+	–	–
Class 2	–	+	+	–
Class 3	–	+	+	+
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WYZX.

WZYX FIB

920e_dec0

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	–	+	–	–
Class 3	–	+	–	+
Class 4	–	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZWYX.

WYZX FIB

799b_dec0

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	–	+	+	+
Class 3	–	+	–	+
Class 4	–	+	–	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XZWY.

WYZX FIB

f885_ba45

	W	X	Y	Z
Class 1	+	–	–	–
Class 2	+	+	+	+
Class 3	+	–	–	+
Class 4	+	+	–	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XYZW.

YXZW FIB

eae0_f9d1

	W	X	Y	Z
Class 1	–	–	+	+
Class 2	–	+	+	+
Class 3	–	–	+	–
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WXYZ.

WXZY FIB

2325_b247

	W	X	Y	Z
Class 1	+	+	–	–
Class 2	+	–	–	–
Class 3	+	+	–	+
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WYZX.

YZXW FIB

fa14_74ca

	W	X	Y	Z
Class 1	+	–	–	–
Class 2	+	+	+	–
Class 3	+	+	+	+
Class 4	+	–	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WYXZ.

ZXYW FIB

6536_1db4

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	+	–	–	+
Class 3	–	–	–	+
Class 4	+	+	–	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XWZY.

YXWZ FIB

48ac_f1d3

	W	X	Y	Z
Class 1	–	+	+	–
Class 2	–	+	+	+
Class 3	–	–	+	–
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YZXW.

WZXY FIB

37a2_98e0

	W	X	Y	Z
Class 1	–	–	–	+
Class 2	–	+	–	+
Class 3	–	+	+	+
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WYZX.

WYXZ FIB

3aa5_9ce1

	W	X	Y	Z
Class 1	–	+	+	+
Class 2	–	–	+	+
Class 3	+	+	+	+
Class 4	–	–	–	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YXZW.

WXYZ FIB

3556_1db4

	W	X	Y	Z
Class 1	+	+	–	+
Class 2	+	–	–	+
Class 3	–	–	–	+
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WYZX.

YXWZ FIB

8b24_21bb

	W	X	Y	Z
Class 1	–	+	–	+
Class 2	+	+	+	+
Class 3	–	–	–	+
Class 4	+	+	–	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, YXZW.

YWXZ FIB

ea0b_b60b

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	–	–	+	–
Class 3	+	+	+	–
Class 4	+	–	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZYXW.

ZXWY FIB

c6e2_21bb

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	–	–	–	+
Class 3	+	+	–	+
Class 4	–	+	–	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XYWZ.

YWXZ FIB

187b_d2c3

	W	X	Y	Z
Class 1	–	+	–	–
Class 2	–	+	+	–
Class 3	–	+	+	+
Class 4	+	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XWYZ.

WZYX FIB

148d_f1d3

	W	X	Y	Z
Class 1	–	+	+	–
Class 2	–	+	+	+
Class 3	+	+	+	+
Class 4	–	–	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WYXZ.

WZXY FIB

a7ce_d2c3

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	–	+	–	–
Class 3	–	+	+	+
Class 4	–	+	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XYZW.

WZYX FIB

b5a2_8a04

	W	X	Y	Z
Class 1	+	+	+	–
Class 2	+	+	+	+
Class 3	–	–	+	–
Class 4	–	+	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WZYX.

ZWXY FIB

405d_f9d1

	W	X	Y	Z
Class 1	–	–	+	+
Class 2	–	–	+	–
Class 3	+	+	+	+
Class 4	–	+	+	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XZYW.

WXZY FIB

b877_21bb

	W	X	Y	Z
Class 1	–	+	–	+
Class 2	+	+	–	+
Class 3	+	+	+	+
Class 4	–	–	–	+

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZXYW.

YWXZ FIB

2274_8a04

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	–	–	+	–
Class 3	+	+	+	–
Class 4	–	+	+	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, XWYZ.

ZWXY FIB

b098_70cb

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	+	–	–	–
Class 3	+	+	+	–
Class 4	+	+	–	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, WXYZ.

ZYXW FIB

6bda_5396

	W	X	Y	Z
Class 1	+	+	+	+
Class 2	–	+	–	–
Class 3	+	+	–	+
Class 4	+	+	–	–

Write the metabolic precursors (W-Z) in their correct order for the pathway without spaces or dashes. For example, ZWYX.

YZWX