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1X9D

Crystal Structure Of Human Class I alpha-1,2-Mannosidase In Complex With Thio-Disaccharide Substrate Analogue

Functional Information from GO Data
ChainGOidnamespacecontents
A0004571molecular_functionmannosyl-oligosaccharide 1,2-alpha-mannosidase activity
A0005509molecular_functioncalcium ion binding
A0005975biological_processcarbohydrate metabolic process
A0016020cellular_componentmembrane
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"Proton donor","evidences":[{"evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsActive site: {"evidences":[{"evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsActive site: {"description":"Proton donor","evidences":[{"source":"UniProtKB","id":"P31723","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"P32906","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues4
DetailsAnnotated By Reference To The Literature 1dl2
ChainResidueDetails
AARG334
AASP463
AGLU599
AGLU330

site_idMCSA1
Number of Residues4
DetailsM-CSA 19
ChainResidueDetails
AGLU330steric role
AARG334steric role
AASP463electrostatic stabiliser, proton acceptor, proton donor
AGLU599increase nucleophilicity, proton acceptor, proton donor

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PDB entries from 2025-09-24

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