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3NC8

Crystal Structure of BlaC-E166A covalently bound with Mecillinam

Functional Information from GO Data
ChainGOidnamespacecontents
A0005576cellular_componentextracellular region
A0005886cellular_componentplasma membrane
A0008800molecular_functionbeta-lactamase activity
A0016787molecular_functionhydrolase activity
A0017001biological_processantibiotic catabolic process
A0030655biological_processbeta-lactam antibiotic catabolic process
A0042597cellular_componentperiplasmic space
A0046677biological_processresponse to antibiotic
Functional Information from PDB Data
site_idAC1
Number of Residues9
DetailsBINDING SITE FOR RESIDUE PO4 A 1
ChainResidue
AHOH19
AHOH30
AHOH36
AARG79
AARG187
AGLU193
AASP255
ATYR286
ADH4308

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE PO4 A 2
ChainResidue
AHOH6
AARG75
AGLU78
AGLU184
AHOH341
AHOH527

site_idAC3
Number of Residues9
DetailsBINDING SITE FOR RESIDUE PO4 A 3
ChainResidue
ASER142
ATHR232
ATHR251
AGLY252
ATHR253
ADH4308
AHOH400
AHOH532
AHOH537

site_idAC4
Number of Residues11
DetailsBINDING SITE FOR RESIDUE DH4 A 308
ChainResidue
APO41
APO43
ACYS83
ASER84
ASER142
AASN186
AGLU193
AGLY252
ATHR253
AHOH366
AHOH532

Functional Information from PROSITE/UniProt
site_idPS00146
Number of Residues16
DetailsBETA_LACTAMASE_A Beta-lactamase class-A active site. FaFCSTfKaplVAAVL
ChainResidueDetails
APHE80-LEU95

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"Acyl-ester intermediate","evidences":[{"source":"PubMed","id":"19251630","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"20353175","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"20961112","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"PubMed","id":"20353175","evidenceCode":"ECO:0000303"},{"source":"PubMed","id":"20961112","evidenceCode":"ECO:0000303"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues3
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"19251630","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"20353175","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"20961112","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsSite: {"description":"Increases nucleophilicity of active site Ser","evidences":[{"source":"PubMed","id":"20353175","evidenceCode":"ECO:0000303"},{"source":"PubMed","id":"20961112","evidenceCode":"ECO:0000303"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsSite: {"description":"Functions as a gatekeeper residue that regulates substrate accessibility to the enzyme active site","evidences":[{"source":"PubMed","id":"24023821","evidenceCode":"ECO:0000303"}]}
ChainResidueDetails

246704

PDB entries from 2025-12-24

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