Mannan exo-1,2-1,6-alpha-mannosidase (EC 3.2.1.137, exo-1,2-1,6-alpha-mannosidase, 1,2-1,6-alpha-D-mannan D-mannohydrolase) is an enzyme with systematic name (1->2)-(1->6)-alpha-D-mannan D-mannohydrolase.[1] This enzyme catalyses the following chemical reaction
Mannan exo-1,2-1,6-alpha-mannosidase | |||||||||
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Identifiers | |||||||||
EC no. | 3.2.1.137 | ||||||||
CAS no. | 123175-72-4 | ||||||||
Databases | |||||||||
IntEnz | IntEnz view | ||||||||
BRENDA | BRENDA entry | ||||||||
ExPASy | NiceZyme view | ||||||||
KEGG | KEGG entry | ||||||||
MetaCyc | metabolic pathway | ||||||||
PRIAM | profile | ||||||||
PDB structures | RCSB PDB PDBe PDBsum | ||||||||
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- Hydrolysis of (1->2)-alpha-D- and (1->6)-alpha-D- linkages in yeast mannan, releasing D-mannose
Mannose residues alpha-D-1,3- bonded are released to lesser extent.
References
edit- ^ Takegawa K, Miki S, Jikibara T, Iwahara S (1989). "Purification and characterization of exo-α-D-mannosidase from a Cellulomonas sp". Biochim. Biophys. Acta. 991: 431–437. doi:10.1016/0304-4165(89)90069-x.
External links
edit- Mannan+exo-1,2-1,6-alpha-mannosidase at the U.S. National Library of Medicine Medical Subject Headings (MeSH)