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4MBF

Crystal structure of Penam sulfone PSR-4-157 bound to SHV-1 beta-lactamase

Functional Information from GO Data
ChainGOidnamespacecontents
A0008800molecular_functionbeta-lactamase activity
A0016787molecular_functionhydrolase activity
A0017001biological_processantibiotic catabolic process
A0030655biological_processbeta-lactam antibiotic catabolic process
A0046677biological_processresponse to antibiotic
Functional Information from PDB Data
site_idAC1
Number of Residues14
DetailsBINDING SITE FOR RESIDUE MA4 A 301
ChainResidue
AARG93
AALA284
AGLU288
A2AW304
AHOH402
AHOH473
ALYS94
AILE95
AHIS96
AVAL224
APRO226
AALA248
AILE263
AALA280

site_idAC2
Number of Residues2
DetailsBINDING SITE FOR RESIDUE MA4 A 302
ChainResidue
AARG244
AILE279

site_idAC3
Number of Residues15
DetailsBINDING SITE FOR RESIDUE 2AW A 303
ChainResidue
AMET69
ASER70
ATYR105
ASER130
AASN132
AGLU166
ATHR167
AASN170
ALYS234
ATHR235
AGLY236
AALA237
AARG244
AHOH511
AHOH541

site_idAC4
Number of Residues9
DetailsBINDING SITE FOR RESIDUE 2AW A 304
ChainResidue
AHIS96
AARG205
AVAL224
APRO226
AALA227
AMA4301
AHOH450
AHOH461
AHOH506

Functional Information from PROSITE/UniProt
site_idPS00146
Number of Residues16
DetailsBETA_LACTAMASE_A Beta-lactamase class-A active site. FpMMSTfKvvlCGAVL
ChainResidueDetails
APHE66-LEU81

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"Nucleophile; acyl-ester intermediate","evidences":[{"source":"UniProtKB","id":"A0A5R8T042","evidenceCode":"ECO:0000250"},{"source":"PROSITE-ProRule","id":"PRU10101","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsActive site: {"description":"Proton acceptor"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues3
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"A0A5R8T042","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

238895

PDB entries from 2025-07-16

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