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1JS4

ENDO/EXOCELLULASE:CELLOBIOSE FROM THERMOMONOSPORA

Functional Information from GO Data
ChainGOidnamespacecontents
A0004553molecular_functionhydrolase activity, hydrolyzing O-glycosyl compounds
A0005975biological_processcarbohydrate metabolic process
A0030246molecular_functioncarbohydrate binding
A0030248molecular_functioncellulose binding
B0004553molecular_functionhydrolase activity, hydrolyzing O-glycosyl compounds
B0005975biological_processcarbohydrate metabolic process
B0030246molecular_functioncarbohydrate binding
B0030248molecular_functioncellulose binding
Functional Information from PDB Data
site_idAA1
Number of Residues3
DetailsACTIVE SITE.
ChainResidue
AASP55
AASP58
AGLU424

site_idAB1
Number of Residues3
DetailsACTIVE SITE.
ChainResidue
BASP55
BASP58
BGLU424

site_idCA1
Number of Residues5
DetailsCA BINDING SITE.
ChainResidue
ASER210
AGLY211
AASP214
AGLU215
AASP261

site_idCA2
Number of Residues5
DetailsCA BINDING SITE.
ChainResidue
BASP261
BSER210
BGLY211
BASP214
BGLU215

site_idCA3
Number of Residues5
DetailsCA BINDING SITE.
ChainResidue
ATHR504
AASP506
AASP571
AASN574
AASP575

site_idCA4
Number of Residues5
DetailsCA BINDING SITE.
ChainResidue
BTHR504
BASP506
BASP571
BASN574
BASP575

Functional Information from PROSITE/UniProt
site_idPS00592
Number of Residues27
DetailsGH9_2 Glycosyl hydrolases family 9 (GH9) active site signature 2. YALGdNprnsSYVVGf....GnnPPrnPHHR
ChainResidueDetails
ATYR352-ARG378

site_idPS00698
Number of Residues19
DetailsGH9_3 Glycosyl hydrolases family 9 (GH9) active site signature 3. YtDdrqdYvanEvAtdyNA
ChainResidueDetails
ATYR413-ALA431

site_idPS60032
Number of Residues18
DetailsGH9_1 Glycosyl hydrolases family 9 (GH9) active site signature 1. LtGGWYDAGDhvKFgFPM
ChainResidueDetails
ALEU49-MET66

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"description":"Nucleophile","evidences":[{"source":"PROSITE-ProRule","id":"PRU10140","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsActive site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU10059","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsActive site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsActive site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU10060","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues3
Detailsa catalytic site defined by CSA, PubMed 9334746
ChainResidueDetails
AASP58
AASP55
AGLU424

site_idCSA2
Number of Residues3
Detailsa catalytic site defined by CSA, PubMed 9334746
ChainResidueDetails
BASP58
BASP55
BGLU424

site_idMCSA1
Number of Residues4
DetailsM-CSA 559
ChainResidueDetails
AASP55activator, electrostatic stabiliser, increase nucleophilicity
AASP58activator, increase nucleophilicity, proton acceptor, proton donor
ATYR206electrostatic stabiliser
AGLU424promote heterolysis, proton acceptor, proton donor

site_idMCSA2
Number of Residues4
DetailsM-CSA 559
ChainResidueDetails
BASP55activator, electrostatic stabiliser, increase nucleophilicity
BASP58activator, increase nucleophilicity, proton acceptor, proton donor
BTYR206electrostatic stabiliser
BGLU424promote heterolysis, proton acceptor, proton donor

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PDB entries from 2025-11-12

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