EC Number   |
Substrates   |
Products   |
Reversibility   |
|---|
  2.4.2.17 | ATP + 5-phospho-alpha-D-ribose 1-diphosphate |
- |
diphosphate + N-1-(5'-phosphoribosyl)-ATP |
- |
? |
  2.4.2.17 | ATP + 5-phospho-alpha-D-ribose 1-diphosphate |
first step in histidine biosynthesis |
diphosphate + N-1-(5'-phosphoribosyl)-ATP |
- |
? |
  2.4.2.17 | ATP + 5-phospho-alpha-D-ribose 1-diphosphate |
- |
1-(5-phospho-alpha-D-ribosyl)-ATP + diphosphate |
- |
r |
  2.4.2.17 | ATP + 5-phospho-alpha-D-ribose 1-diphosphate |
- |
1-(5-phospho-alpha-D-ribosyl)-ATP + diphosphate |
- |
? |
  2.4.2.17 | ATP + 5-phospho-alpha-D-ribose 1-diphosphate |
- |
1-(5-phospho-beta-D-ribosyl)-ATP + diphosphate |
- |
r |
  2.4.2.17 | ATP + 5-phospho-alpha-D-ribose 1-diphosphate |
- |
1-(5-phospho-beta-D-ribosyl)-ATP + diphosphate |
- |
? |
  2.4.2.17 | ATP + 5-phospho-alpha-D-ribose 1-diphosphate |
- |
N1-(5-phospho-beta-D-ribosyl)-ATP + diphosphate |
- |
r |
  2.4.2.17 | more |
not: ribose 5-phosphate, AMP, ADP, UTP, CTP, GTP |
? |
- |
? |
  2.4.2.17 | more |
the enzyme comprises 4 catalytic subunits HisGs and 4 regulatory subunits HisZ, only the complete hetero-octameric complex is catalytically active, the complex possesses 8 histidine binding sites at the subunit interfaces and histidine as a ligand |
? |
- |
? |
  2.4.2.17 | more |
the enzyme comprises 4 catalytic subunits HisGs and 4 regulatory subunits HisZ with histidine as a ligand, 8 histidine binding sites at the subunit interfaces |
? |
- |
? |