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6QWB

Crystal structure of KPC-4 complexed with relebactam (16 hour soak)

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 Residues12
Detailsbinding site for residue SO4 A 301
ChainResidue
ASER70
AHOH444
AHOH459
AHOH574
ASER130
ATHR216
ALYS234
ATHR235
AGLY236
ATHR237
AJJT305
AMK7307

site_idAC2
Number of Residues7
Detailsbinding site for residue SO4 A 302
ChainResidue
ASER275
AGLU276
AALA277
AHOH438
AHOH440
AHOH519
AHOH635

site_idAC3
Number of Residues5
Detailsbinding site for residue SO4 A 303
ChainResidue
AGLY239
ALYS273
AHIS274
AHOH428
AHOH479

site_idAC4
Number of Residues3
Detailsbinding site for residue SO4 A 304
ChainResidue
AGLN86
AARG104
ATRP105

site_idAC5
Number of Residues15
Detailsbinding site for residue JJT A 305
ChainResidue
ASER70
ALYS73
ATRP105
ASER130
AASN132
AASN170
AGLY236
ATHR237
ACYS238
ASO4301
AMK7307
AHOH406
AHOH421
AHOH522
AHOH645

site_idAC6
Number of Residues7
Detailsbinding site for residue GOL A 306
ChainResidue
AGLN205
ALYS212
AALA230
ATRP251
AHOH419
AHOH425
AHOH484

site_idAC7
Number of Residues21
Detailsbinding site for residue MK7 A 307
ChainResidue
ASER70
ALYS73
AALA88
AARG104
ATRP105
ASER130
AASN132
ATHR216
ATHR235
AGLY236
ATHR237
ACYS238
ASO4301
AJJT305
AHOH406
AHOH421
AHOH444
AHOH459
AHOH522
AHOH574
AHOH645

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsACT_SITE: Nucleophile; acyl-ester intermediate => ECO:0000269|PubMed:33257320, ECO:0007744|PDB:6Z23, ECO:0007744|PDB:6Z24
ChainResidueDetails
ASER70

site_idSWS_FT_FI2
Number of Residues1
DetailsACT_SITE: Proton acceptor => ECO:0000250
ChainResidueDetails
AGLU168

site_idSWS_FT_FI3
Number of Residues2
DetailsBINDING: BINDING => ECO:0000269|PubMed:28388065, ECO:0000269|PubMed:33257320, ECO:0007744|PDB:5UJ3, ECO:0007744|PDB:6Z23, ECO:0007744|PDB:6Z24
ChainResidueDetails
ASER70
ATHR237

site_idSWS_FT_FI4
Number of Residues1
DetailsBINDING: BINDING => ECO:0000269|PubMed:28388065, ECO:0007744|PDB:5UJ3
ChainResidueDetails
ALYS73

site_idSWS_FT_FI5
Number of Residues1
DetailsBINDING: BINDING => ECO:0000269|PubMed:33257320, ECO:0000312|PDB:6Z24
ChainResidueDetails
ATRP105

site_idSWS_FT_FI6
Number of Residues1
DetailsBINDING: BINDING => ECO:0000269|PubMed:28388065, ECO:0000269|PubMed:33257320, ECO:0007744|PDB:5UJ3, ECO:0007744|PDB:6Z23
ChainResidueDetails
ASER130

site_idSWS_FT_FI7
Number of Residues1
DetailsBINDING: BINDING => ECO:0000269|PubMed:33257320, ECO:0007744|PDB:6Z23, ECO:0007744|PDB:6Z24
ChainResidueDetails
AASN132

site_idSWS_FT_FI8
Number of Residues1
DetailsBINDING: BINDING => ECO:0000269|PubMed:28388065, ECO:0007744|PDB:5UJ3, ECO:0007744|PDB:6Z24
ChainResidueDetails
ATHR235

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PDB entries from 2025-06-18

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