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1QNQ

The 3-D structure of a Trichoderma reesei b-mannanase from glycoside hydrolase family 5

Functional Information from GO Data
ChainGOidnamespacecontents
A0000272biological_processpolysaccharide catabolic process
A0004553molecular_functionhydrolase activity, hydrolyzing O-glycosyl compounds
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"Proton donor/acceptor","evidences":[{"source":"PubMed","id":"10666621","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsActive site: {"description":"Nucleophile","evidences":[{"source":"PubMed","id":"10666621","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"10666621","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1QNR","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsSite: {"description":"Important for transglycosylation activity","evidences":[{"source":"Reference","evidenceCode":"ECO:0000269","citation":{"citationType":"journal article","publicationDate":"2012","firstPage":"338","lastPage":"352","volume":"30","journal":"Biocatal. Biotransformation","title":"The role of subsite +2 of the Trichoderma reesei beta-mannanase TrMan5A in hydrolysis and transglycosylation.","authors":["Rosengren A.","Haegglund P.","Anderson L.","Pavon-Orozco P.","Peterson-Wulff R.","Nerinckx W.","Staalbrand H."],"citationCrossReferences":[{"database":"DOI","id":"10.3109/10242422.2012.674726"}]}}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues4
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"source":"PubMed","id":"10666621","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1QNO","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1QNP","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1QNQ","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues5
DetailsAnnotated By Reference To The Literature 1bqc
ChainResidueDetails
ATYR243
AGLU276
AGLU169
AHIS241
AASN168

site_idCSA2
Number of Residues3
DetailsAnnotated By Reference To The Literature 1bqc
ChainResidueDetails
AARG54
AGLU276
AGLU169

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PDB entries from 2025-08-06

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