Loading
PDBj
MenuPDBj@FacebookPDBj@X(formerly Twitter)PDBj@BlueSkyPDBj@YouTubewwPDB FoundationwwPDBDonate
RCSB PDBPDBeBMRBAdv. SearchSearch help

4R3B

Crystal structure of SHV-1 b-lactamase in complex with 6b-(hydroxymethyl)penicillanic acid sulfone PSR-283A

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 Residues20
DetailsBINDING SITE FOR RESIDUE MA4 A 301
ChainResidue
AARG93
AALA280
AALA284
AGLU288
AHOH407
AHOH459
AHOH527
AHOH561
AHOH569
AHOH603
AHOH647
ALYS94
AHOH649
AILE95
AHIS96
AARG98
AVAL224
APRO226
AALA248
AILE263

site_idAC2
Number of Residues12
DetailsBINDING SITE FOR RESIDUE 3GE A 302
ChainResidue
AMET69
ASER70
ALYS73
AASP104
ASER130
AASN132
AGLU166
ATHR167
AASN170
AGLY236
AALA237
AHOH414

site_idAC3
Number of Residues2
DetailsBINDING SITE FOR RESIDUE MA4 A 303
ChainResidue
AARG244
AASN276

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

242199

PDB entries from 2025-09-24

PDB statisticsPDBj update infoContact PDBjnumon