MetaCyc Pathway: starch biosynthesis in Vibrio cholerae E7946 ATCC 55056

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Glucose-6-phosphate isomerase (in reverse):
β-D-fructofuranose 6-phosphate→α-D-glucose 6-phosphate
(EC 5.3.1.9)
CSW01_01965
Phosphoglucomutase (in reverse):
D-glucopyranose 6-phosphate→α-D-glucopyranose 1-phosphate
(EC 5.4.2.2)
CSW01_03355
CSW01_10470
Glucose-1-phosphate adenylyltransferase:
α-D-glucopyranose 1-phosphate + ATP + H+→ADP-α-D-glucose + diphosphate
(EC 2.7.7.27)
CSW01_08690
CSW01_17680
Starch synthase:
ADP-α-D-glucose + a (1→4)-α-D-glucan→a (1→4)-α-D-glucan + ADP
(EC 2.4.1.21)
CSW01_08685
1,4-alpha-glucan branching enzyme:
a (1→4)-α-D-glucan→a (1,6)-α-D-glucosyl-(1,4)-α-glucan
(EC 2.4.1.18)
CSW01_14125
CSW01_14415
NDP-glucose--starch glucosyltransferase:
n a (1→4)-α-D-glucan + ADP-α-D-glucose→n α-amylose + ADP
(EC 2.4.1.242)
No genes
1,4-alpha-glucan branching enzyme:
n α-amylose→n amylopectin
(EC 2.4.1.18)
CSW01_14125
CSW01_14415
Isoamylase:
n a (1,6)-α-D-glucosyl-(1,4)-α-glucan + n H2O→n a (1,6)-α-D-glucosyl-(1,4)-α-glucan + n a maltooligosaccharide
(EC 3.2.1.68)
No genes
n a (1,6)-α-D-glucosyl-(1,4)-α-glucan→n amylopectin
No genes
α-amylose + n amylopectin→n starch
No genes

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Candidate genes for each reaction are identified from best hits to MetaCyc; by matching EC numbers (which are assigned by TIGRFam, SEED, or best hits to KEGG); or by matching SEED roles to KEGG reactions to MetaCyc reactions. See the "Protein" tab of each gene for more information