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2W9X

The active site of a carbohydrate esterase displays divergent catalytic and non-catalytic binding functions

Functional Information from GO Data
ChainGOidnamespacecontents
A0052689molecular_functioncarboxylic ester hydrolase activity
B0052689molecular_functioncarboxylic ester hydrolase activity
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE GOL A 1362
ChainResidue
ASER151
AGLY199
AHIS336
AHOH2097
AHOH2185

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE GOL A 1363
ChainResidue
AHOH2186
AHOH2187
AGLY199
APHE200
ATHR209
ASER210

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE GOL A 1364
ChainResidue
AGLU116
AGLN118
ATYR156
ATHR174
AHOH2028

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE GOL B 1362
ChainResidue
BSER151
BTYR156
BGLY199
BHIS336
BHOH2075
BHOH2229

site_idAC5
Number of Residues5
DetailsBINDING SITE FOR RESIDUE GOL B 1363
ChainResidue
BGLY199
BPHE200
BTHR209
BSER210
BHOH2230

site_idAC6
Number of Residues5
DetailsBINDING SITE FOR RESIDUE GOL B 1364
ChainResidue
BGLU116
BGLN118
BPHE171
BHOH2053
BHOH2231

site_idAC7
Number of Residues7
DetailsBINDING SITE FOR RESIDUE GOL B 1365
ChainResidue
AASP295
AHOH2159
BASP295
BGLN296
BGLY327
BLEU328
BTYR330

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"description":"Nucleophile","evidences":[{"source":"PubMed","id":"19338387","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsSite: {"description":"Transition state stabilizer","evidences":[{"source":"UniProtKB","id":"B3PIB0","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsSite: {"description":"Increases nucleophilicity of active site Ser","evidences":[{"source":"PubMed","id":"19338387","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

250359

PDB entries from 2026-03-11

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