MetaCyc Pathway: pentose phosphate pathway (non-oxidative branch) II in Escherichia coli ECOR38

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Ribose-5-phosphate isomerase (in reverse):
D-ribulose 5-phosphate→D-ribose 5-phosphate (EC 5.3.1.6)
HEPCGN_11335 (rpiB)
HEPCGN_18755 (rpiA)
Ribulose-phosphate 3-epimerase:
D-ribulose 5-phosphate→D-xylulose 5-phosphate (EC 5.1.3.1)
HEPCGN_15950 (rpe)
Transketolase (in reverse):
D-ribose 5-phosphate + D-xylulose 5-phosphate→D-sedoheptulose 7-phosphate + D-glyceraldehyde 3-phosphate (EC 2.2.1.1)
HEPCGN_10920
HEPCGN_10925
HEPCGN_18630 (tkt)
HEPCGN_21165 (tkt)
Diphosphate--fructose-6-phosphate 1-phosphotransferase:
D-sedoheptulose 7-phosphate + diphosphate→D-sedoheptulose 1,7-bisphosphate + H+ + phosphate (EC 2.7.1.90)
No genes
Fructose-bisphosphate aldolase:
D-sedoheptulose 1,7-bisphosphate→D-erythrose 4-phosphate + glycerone phosphate (EC 4.1.2.13)
HEPCGN_02790 (fbaB)
HEPCGN_14330
HEPCGN_14335 (fba)
HEPCGN_15410 (fba)
HEPCGN_18705 (fbaA)
Transketolase:
D-erythrose 4-phosphate + D-xylulose 5-phosphate→D-glyceraldehyde 3-phosphate + β-D-fructofuranose 6-phosphate (EC 2.2.1.1)
HEPCGN_10920
HEPCGN_10925
HEPCGN_18630 (tkt)
HEPCGN_21165 (tkt)

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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