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hisG1

Gene
hisG1
Protein
ATP phosphoribosyltransferase 1
Organism
Geobacter sulfurreducens (strain ATCC 51573 / DSM 12127 / PCA)
Length
291 amino acids
Function
Catalyzes the condensation of ATP and 5-phosphoribose 1-diphosphate to form N'-(5'-phosphoribosyl)-ATP (PR-ATP). Has a crucial role in the pathway because the rate of histidine biosynthesis seems to be controlled primarily by regulation of HisG enzymatic activity.
Similarity
Belongs to the ATP phosphoribosyltransferase family. Long subfamily.
Mass
32.216 kDa
Sequence
MSGLLNFGVPKGSLENATVELFRKAGWQISISSRSYFPGVDDDEMNCKLIRPQEMGKYVERGTIDAGIAGRDWVRENESDVVEVCEMVYSKVSRRPARWVLVVTRDSAVQKPEDLHGATISTELVGFTKRYFAERNIPVTVEFSWGATEAKVVDGLCDAIVEVTETGSTIKANGLRIVCDLMESVPVLIANKAAWADPWKREKIETIATLLKSALAAEGMVGLKMNAPNDQLEAITRVLPSLKNPTVSHLFNSDWVSIESILPEKEVRRIVPELIKLGAEGIVEYPLNKII