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Protein-coding gene in humans
β-Mannosidase (EC 3.2.1.25 }, mannanase , mannase , β-D -mannosidase , β-mannoside mannohydrolase , exo-β-D -mannanase , lysosomal β A mannosidase ) is an enzyme with systematic name β-D -mannoside mannohydrolase , which is in humans encoded by the MANBA gene .[ 5] [ 6] [ 7] [ 8] [ 9] [ 10] This enzyme catalyses the following chemical reaction
Hydrolysis of terminal, non-reducing β-D -mannose residues in β-D -mannosides
This gene encodes a member of the glycosyl hydrolase 2 family . The encoded protein localizes to the lysosome where it is the final exoglycosidase in the pathway for N -linked glycoprotein oligosaccharide catabolism. Mutations in this gene are associated with β-mannosidosis , a lysosomal storage disease that has a wide spectrum of neurological involvement.[ 5]
^ a b c GRCh38: Ensembl release 89: ENSG00000109323 – Ensembl , May 2017
^ a b c GRCm38: Ensembl release 89: ENSMUSG00000028164 – Ensembl , May 2017
^ "Human PubMed Reference:" . National Center for Biotechnology Information, U.S. National Library of Medicine .
^ "Mouse PubMed Reference:" . National Center for Biotechnology Information, U.S. National Library of Medicine .
^ a b "Entrez Gene: mannosidase" .
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^ Adams, M.; Richtmyer, N.K. & Hudson, C.S. (1943). "Some enzymes present in highly purified invertase preparations; a contribution to the study of fructofuranosidases, galactosidases, glucosidases and mannosidases". J. Am. Chem. Soc . 65 (7): 1369–1380. doi :10.1021/ja01247a029 .
^ Bartholomew, B.A. & Perry, A.L. (1973). "The properties of synovial fluid β-mannosidase activity". Biochim. Biophys. Acta . 315 (1): 123–127. doi :10.1016/0005-2744(73)90136-8 . PMID 4743897 .
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Anabolism Catabolism Transport M6P tagging
Activity Regulation Classification Kinetics Types