MetaCyc Pathway: L-histidine biosynthesis in Dickeya dadantii 3937

Add experiment(s):


ATP phosphoribosyltransferase (in reverse):
5-phospho-α-D-ribose 1-diphosphate + ATP→1-(5-phospho-β-D-ribosyl)-ATP + diphosphate (EC 2.4.2.17)
DDA3937_RS09740
Phosphoribosyl-ATP diphosphatase:
1-(5-phospho-β-D-ribosyl)-ATP + H2O→1-(5-phospho-β-D-ribosyl)-AMP + diphosphate + H+ (EC 3.6.1.31)
DDA3937_RS09705
Phosphoribosyl-AMP cyclohydrolase:
1-(5-phospho-β-D-ribosyl)-AMP + H2O→1-(5-phospho-β-D-ribosyl)-5-[(5-phosphoribosylamino)methylideneamino]imidazole-4-carboxamide (EC 3.5.4.19)
DDA3937_RS09705
isomerase:
1-(5-phospho-β-D-ribosyl)-5-[(5-phosphoribosylamino)methylideneamino]imidazole-4-carboxamide→phosphoribulosylformimino-AICAR-phosphate (EC 5.3.1.16)
DDA3937_RS09715
phosphoribulosylformimino-AICAR-phosphate + L-glutamine→5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide + D-erythro-1-(imidazol-4-yl)-glycerol 3-phosphate + L-glutamate + H+ (EC 4.3.2.10)
DDA3937_RS09710
DDA3937_RS09720
Imidazoleglycerol-phosphate dehydratase:
D-erythro-1-(imidazol-4-yl)-glycerol 3-phosphate→3-(imidazol-4-yl)-2-oxopropyl phosphate + H2O (EC 4.2.1.19)
DDA3937_RS09725
Histidinol-phosphate transaminase (in reverse):
3-(imidazol-4-yl)-2-oxopropyl phosphate + L-glutamate→L-histidinol phosphate + 2-oxoglutarate (EC 2.6.1.9)
DDA3937_RS09730
Histidinol-phosphatase:
L-histidinol phosphate + H2O→histidinol + phosphate (EC 3.1.3.15)
DDA3937_RS00860
DDA3937_RS09725
DDA3937_RS11790
Histidinol dehydrogenase:
histidinol + NAD+→histidinal + NADH + H+ (EC 1.1.1.23)
DDA3937_RS09735
Histidinol dehydrogenase:
histidinal + NAD+ + H2O→L-histidine + NADH + 2 H+ (EC 1.1.1.23)
DDA3937_RS09735

Links:

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