ATP
phosphoribosyltransferase
Histidine
biosynthesis
bifunctional
protein hisIE
Histidine
biosynthesis
bifunctional
protein hisIE
1-(5-
phosphoribosyl)-
5-[(5-
phosphoribosylamino)methylideneamino]
imidazole-4-
carboxamide
isomerase
Imidazole
glycerol
phosphate
synthase
subunit hisH
Imidazole
glycerol
phosphate
synthase
subunit hisF
Histidine
biosynthesis
bifunctional
protein hisB
Histidinol-
phosphate
aminotransferase
Histidine
biosynthesis
bifunctional
protein hisB
Histidinol
dehydrogenase
Histidinol
dehydrogenase
L-Histidine
Phosphoribosyl
pyrophosphate
H+
PPi
Phosphoribosyl-
ATP
H2O
H+
PPi
Phosphoribosyl-
AMP
H2O
1-(5'-
Phosphoribosyl)-
5-amino-4-
imidazolecarboxamide
PhosphoribosylformiminoAICAR-
phosphate
L-Glutamine
L-Glutamic acid
H+
5-
Aminoimidazole-
4-carboxamide
D-Erythro-
imidazole-
glycerol-
phosphate
H2O
Imidazole
acetol-
phosphate
L-Glutamic acid
Oxoglutaric
acid
L-histidinol-
phosphate
H2O
Pi
L-Histidinol
NAD
NADH
H+
Histidinal
H2O
NAD
H+
NADH
PRPP
Biosynthesis