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4JJ4

Crystal structure of a catalytic mutant of Axe2 (Axe2-D191A), an acetylxylan esterase from Geobacillus stearothermophilus

Functional Information from GO Data
ChainGOidnamespacecontents
A0000272biological_processpolysaccharide catabolic process
A0004622molecular_functionphosphatidylcholine lysophospholipase activity
A0005737cellular_componentcytoplasm
A0016787molecular_functionhydrolase activity
A0045493biological_processxylan catabolic process
A0046555molecular_functionacetylxylan esterase activity
A0052689molecular_functioncarboxylic ester hydrolase activity
B0000272biological_processpolysaccharide catabolic process
B0004622molecular_functionphosphatidylcholine lysophospholipase activity
B0005737cellular_componentcytoplasm
B0016787molecular_functionhydrolase activity
B0045493biological_processxylan catabolic process
B0046555molecular_functionacetylxylan esterase activity
B0052689molecular_functioncarboxylic ester hydrolase activity
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE GOL A 301
ChainResidue
AGLU27
AGLY28
ASER29
AVAL56
AHOH421

site_idAC2
Number of Residues7
DetailsBINDING SITE FOR RESIDUE GOL A 302
ChainResidue
BGLY141
BPRO185
BHOH412
APRO146
AHOH436
AHOH452
BGLU140

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE GOL A 303
ChainResidue
ATYR109
ATYR109
AASP111
AHOH425

site_idAC4
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CL A 304
ChainResidue
ASER15
AGLY63
AASN92

site_idAC5
Number of Residues7
DetailsBINDING SITE FOR RESIDUE GOL B 301
ChainResidue
BGLU27
BGLY28
BILE54
BARG55
BVAL56
BMET103
BHOH531

site_idAC6
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CL B 302
ChainResidue
AALA191
AARG192
BALA191
BARG192

site_idAC7
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CL B 303
ChainResidue
BSER15
BGLY63
BASN92
BHOH542
BHOH543

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"description":"Nucleophile","evidences":[{"source":"PubMed","id":"21994937","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"24531461","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsActive site: {"description":"Charge relay system","evidences":[{"source":"PubMed","id":"21994937","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"24531461","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsSite: {"description":"Transition state stabilizer","evidences":[{"source":"PubMed","id":"24531461","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

246905

PDB entries from 2025-12-31

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