Phosphomannan mannosephosphotransferase
In enzymology, a phosphomannan mannosephosphotransferase (EC 2.7.8.9) is an enzyme that catalyzes the chemical reaction
- GDP-mannose + (phosphomannan)n GMP + (phosphomannan)n+1
| phosphomannan mannosephosphotransferase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC number | 2.7.8.9 | ||||||||
| CAS number | 37278-31-2 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| Gene Ontology | AmiGO / QuickGO | ||||||||
| |||||||||
Thus, the two substrates of this enzyme are GDP-mannose and (phosphomannan)n, whereas its two products are GMP and (phosphomannan)n+1.
This enzyme belongs to the family of transferases, specifically those transferring non-standard substituted phosphate groups. The systematic name of this enzyme class is GDP-mannose:phosphomannan mannose phosphotransferase.
References
- Bretthauer RK, Kozak LP, Irwin WE (1969). "Phosphate and mannose transfer from guanosine diphosphate mannose to yeast mannan acceptors". Biochem. Biophys. Res. Commun. 37 (5): 820–827. doi:10.1016/0006-291X(69)90965-6. PMID 4311996.
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