2.7.4.23: ribose 1,5-bisphosphate phosphokinase
This is an abbreviated version!
For detailed information about ribose 1,5-bisphosphate phosphokinase, go to the full flat file.
Reaction
Synonyms
PhnN protein, ribose 1,5-bisphosphokinase
ECTree
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Systematic Name
Systematic Name on EC 2.7.4.23 - ribose 1,5-bisphosphate phosphokinase
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ATP:ribose-1,5-bisphosphate phosphotransferase
This enzyme, found in NAD supression mutants of Escherichia coli, synthesizes 5-phospho-alpha-D-ribose 1-diphosphate (PRPP) without the participation of EC 2.7.6.1, ribose-phosphate diphosphokinase. Ribose, ribose 1-phosphate and ribose 5-phosphate are not substrates, and GTP cannot act as a phosphate donor.