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Catalytic subunit HisG from Psychrobacter arcticus ATP phosphoribosyltransferase (HisZG ATPPRT)Catalytic subunit HisG from Psychrobacter arcticus ATP phosphoribosyltransferase (HisZG ATPPRT)
Structural highlights
Function[HIS1_PSYA2] 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. |
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