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1R6W

Crystal structure of the K133R mutant of o-Succinylbenzoate synthase (OSBS) from Escherichia coli. Complex with SHCHC

Functional Information from GO Data
ChainGOidnamespacecontents
A0000287molecular_functionmagnesium ion binding
A0003824molecular_functioncatalytic activity
A0009234biological_processmenaquinone biosynthetic process
A0016829molecular_functionlyase activity
A0016836molecular_functionhydro-lyase activity
A0043748molecular_functionO-succinylbenzoate synthase activity
A0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MG A 736
ChainResidue
AASP161
AGLU190
AASP213
A164735
AHOH1073

site_idAC2
Number of Residues15
DetailsBINDING SITE FOR RESIDUE 164 A 735
ChainResidue
AGLU190
AASP213
ALYS235
ASER262
ASER263
AGLY288
AMG736
AHOH738
AHOH773
AHOH796
AHOH1073
APHE51
ALYS131
AASP161
AASN163

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"Proton donor","evidences":[{"source":"HAMAP-Rule","id":"MF_00470","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"10978150","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"HAMAP-Rule","id":"MF_00470","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"10978150","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues3
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_00470","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"10978150","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
Detailsa catalytic site defined by CSA, PubMed 14661953
ChainResidueDetails
AARG133
ALYS235

site_idMCSA1
Number of Residues5
DetailsM-CSA 689
ChainResidueDetails
AARG133proton acceptor, proton donor
AASP161metal ligand
AGLU190metal ligand
AASP213metal ligand
ALYS235electrostatic stabiliser

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PDB entries from 2026-02-25

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