Biology:Starch synthase (maltosyl-transferring)
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Short description: Class of enzymes
| Starch synthase (maltosyl-transferring) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC number | 2.4.99.16 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| |||||||||
Starch synthase (maltosyl-transferring) (EC 2.4.99.16, alpha1,4-glucan:maltose-1-P maltosyltransferase, GMPMT) is an enzyme with systematic name alpha-maltose 1-phosphate:(1->4)-alpha-D-glucan 4-alpha-D-maltosyltransferase.[1] This enzyme catalyses the following chemical reaction
- alpha-maltose 1-phosphate + [(1->4)-alpha-D-glucosyl]n [math]\displaystyle{ \rightleftharpoons }[/math] phosphate + [(1->4)-alpha-D-glucosyl]n+2
The enzyme from the bacterium Mycobacterium smegmatis is specific for maltose.
References
- ↑ "Last step in the conversion of trehalose to glycogen: a mycobacterial enzyme that transfers maltose from maltose 1-phosphate to glycogen". The Journal of Biological Chemistry 285 (13): 9803–12. March 2010. doi:10.1074/jbc.M109.033944. PMID 20118231.
External links
- Starch+synthase+(maltosyl-transferring) at the US National Library of Medicine Medical Subject Headings (MeSH)
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