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4M3K

Structure of a single domain camelid antibody fragment cAb-H7S in complex with the BlaP beta-lactamase from Bacillus licheniformis

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 PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CL A 401
ChainResidue
AASN136
ALYS140
AHOH502
BTYR37
BARG45

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CL B 201
ChainResidue
ALYS269
BTHR32
BASN52
BSER53

Functional Information from PROSITE/UniProt
site_idPS00141
Number of Residues12
DetailsASP_PROTEASE Eukaryotic and viral aspartyl proteases active site. FALDTGTNRTVA
ChainResidueDetails
APHE47-ALA59

site_idPS00146
Number of Residues16
DetailsBETA_LACTAMASE_A Beta-lactamase class-A active site. FaFASTiKaltVGVLL
ChainResidueDetails
APHE66-LEU81

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

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PDB entries from 2025-10-29

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