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4ZJ2

Crystal Structure of p-acrylamido-phenylalanine modified TEM1 beta-lactamase from Escherichia coli :E166N mutant

Functional Information from GO Data
ChainGOidnamespacecontents
A0008800molecular_functionbeta-lactamase activity
A0017001biological_processantibiotic catabolic process
A0030655biological_processbeta-lactam antibiotic catabolic process
A0046677biological_processresponse to antibiotic
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"Acyl-ester intermediate"}
ChainResidueDetails

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

site_idSWS_FT_FI3
Number of Residues2
DetailsBinding site: {}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues6
DetailsM-CSA 2
ChainResidueDetails
A4OV70electrostatic stabiliser
ACYS77hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor
AALA134activator, electrostatic stabiliser, hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor
AASN170activator, electrostatic stabiliser, hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor
AGLY238electrostatic stabiliser
AGLY242electrostatic stabiliser, hydrogen bond donor

239149

PDB entries from 2025-07-23

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