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EC 3.2.1.197 Details
EC number
3.2.1.197
Accepted name
β-1,2-mannosidase
Reaction
β-D-mannopyranosyl-(1→2)-β-D-mannopyranosyl-(1→2)-D-mannopyranose + H2O = β-D-mannopyranosyl-(1→2)-D-mannopyranose + α-D-mannopyranose
Systematic name
β-1,2-D-mannoside mannohydrolase
Comment
The enzyme, characterized from multiple bacterial species, catalyses the hydrolysis of terminal, non-reducing D-mannose residues from β-1,2-mannotriose and β-1,2-mannobiose. The mechanism involves anomeric inversion, resulting in the release of α-D-mannopyranose. Activity with β-1,2-mannotriose or higher oligosaccharides is higher than that with β-1,2-mannobiose.
History
created 2016
EC Tree
1.14.13.45 created 1992, deleted 2003
1.14.17.2 created 1972, deleted 1984