| EC Tree |
| 6. Ligases |
| 6.3 Forming carbon-nitrogen bonds |
| 6.3.4 Other carbon-nitrogen ligases |
| ID: | 6.3.4.21 |
|---|---|
| Description: | Nicotinate phosphoribosyltransferase. |
| Alternative Name: |
Nicotinic acid phosphoribosyltransferase. Nicotinic acid mononucleotide pyrophosphorylase. Nicotinic acid mononucleotide glycohydrolase. Niacin ribonucleotidase. |
| Cath: | 3.20.140.10; 3.20.20.70; 3.90.1170.20; |
Click one PDB to see exact 3D structure provided by NGL.
Note: Use your mouse to drag, rotate, and zoom in and out of the structure. Mouse-over to identify atoms and bonds. Mouse controls documentation.| UniProtKB Enzyme Link: | UniProtKB 6.3.4.21 |
| BRENDA Enzyme Link: | BRENDA 6.3.4.21 |
| KEGG Enzyme Link: | KEGG6.3.4.21 |
| BioCyc Enzyme Link: | BioCyc 6.3.4.21 |
| ExPASy Enzyme Link: | ExPASy6.3.4.21 |
| EC2PDB Enzyme Link: | EC2PDB 6.3.4.21 |
| ExplorEnz Enzyme Link: | ExplorEnz 6.3.4.21 |
| PRIAM enzyme-specific profiles Link: | PRIAM 6.3.4.21 |
| IntEnz Enzyme Link: | IntEnz 6.3.4.21 |
| MEDLINE Enzyme Link: | MEDLINE 6.3.4.21 |
| RHEA:36163 | 5-phospho-alpha-D-ribose 1-diphosphate + ATP + H2O + nicotinate = ADP + diphosphate + nicotinate beta-D-ribonucleotide + phosphate |
| RULE(radius=1) | [*:1]-[CH;+0:2](-[*:3])-[O;H0;+0:4]-[*:5].[*:6]:[n;H0;+0:7]:[*:8].[*:9]=[P;H0;+0:10](-[*:11])(-[*:12])-[O;H0;+0:13]-[*:14].[OH2;+0:15]>>[*:1]-[CH;+0:2](-[*:3])-[n+;H0:7](:[*:6]):[*:8].[*:14]-[OH;+0:13].[*:5]-[OH;+0:4].[*:9]=[P;H0;+0:10](-[*:11])(-[*:12])-[OH;+0:15] |
| Reaction | ![]() |
| Core-to-Core | |
| Core-to-Core |
| Title | Authors | Date | PubMed ID |
|---|---|---|---|
| A new paradigm for biochemical energy coupling. Salmonella typhimurium nicotinate phosphoribosyltransferase. | Vinitsky A, Grubmeyer C | 1993 Dec 5 | 7503993 |