| EC |
2.7.6.5 |
| Accepted name: |
GTP diphosphokinase |
| Reaction: |
ATP + GTP = AMP + guanosine 3′-diphosphate 5′-triphosphate |
| Other name(s): |
stringent factor; guanosine 3′,5′-polyphosphate synthase; GTP pyrophosphokinase; ATP-GTP 3′-diphosphotransferase; guanosine 5′,3′-polyphosphate synthetase; (p)ppGpp synthetase I; (p)ppGpp synthetase II; guanosine pentaphosphate synthetase; GPSI; GPSII |
| Systematic name: |
ATP:GTP 3′-diphosphotransferase |
| Comments: |
GDP can also act as acceptor. |
| Links to other databases: |
BRENDA, EXPASY, Gene, KEGG, MetaCyc, PDB, CAS registry number: 63690-89-1 |
| References: |
| 1. |
Fehr, S. and Richter, D. Stringent response of Bacillus stearothermophilus: evidence for the existence of two distinct guanosine 3′,5′-polyphosphate synthetases. J. Bacteriol. 145 (1981) 68–73. [PMID: 6161916] |
| 2. |
Sy, J. and Akers, H. Purification and properties of guanosine 5′,3′-polyphosphate synthetase from Bacillus brevis. Biochemistry 15 (1976) 4399–4403. [PMID: 184817] |
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| [EC 2.7.6.5 created 1981] |
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