3-mercaptopyruvate sulfurtransferase EC#: 2.8.1.2; ChemWhat Code: 1379050
| Product Name | 3-mercaptopyruvate sulfurtransferase |
| Example Structure |  |
| Synonyms | 3-mercaptopyruvate sulfurtransferase, 3-mercaptopyruvate sulphurtransferase, 3-mercaptopyruvate:cyanide sulfurtransferase, 3-MPST, 3-MST, 3MST, beta-mercaptopyruvate sulfurtransferase, beta-mercaptopyruvate trans-sulfurase, mercaptopyruvate sulfurtransferase, More, MPST, MST, rhodanese, SseA, sulfurtransferase, 3-mercaptopyruvate, TUM1 |
| EC Number | 2.8.1.2 |
| CAS Registry Number | 9026/5/5 |
| Comments | The enzyme catalyses a transsulfuration reaction from 3-mercaptopyruvate to an internal cysteine residue. In the presence of a dithiol such as reduced thioredoxin or dihydrolipoate, the sulfanyl sulfur is released as hydrogen sulfide. The enzyme participates in a sulfur relay process that leads to the 2-thiolation of some tRNAs and to protein urmylation by transferring sulfur between the NFS1 cysteine desulfurase (EC?2.8.1.7) and the MOCS3 sulfurtransferase (EC?2.8.1.11). |
| Cofactor | Zn2+ |
| History | |
| Reactions | 3-mercaptopyruvate + cyanide = pyruvate + thiocyanate. |
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