Structure of PDB 7llh Chain B Binding Site BS01

Receptor Information
>7llh Chain B (length=260) Species: 573 (Klebsiella pneumoniae) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
VAEPFAKLEQDFGGSIGVYAMDTGSGATVSYRAEERFPLCSSYKGFLAAA
VLARSQQQAGLLDTPIRYGKNALVPWSPISEKYLTTGMTVAELSAAAVQY
SDNAAANLLLKELGGPAGLTAFMRSIGDTTFRLDRWELELNSAIPGDARD
TSSPRAVTESLQKLTLGSALAAPQRQQFVDWLKGNTTGNHRIRAAVPADW
AVGDKTGTCGVYGTANDYAVVWPTGRAPIVLAVYTRAPNKDDKHSEAVIA
AAARLALEGL
Ligand information
Ligand IDIM2
InChIInChI=1S/C12H19N3O4S/c1-7(17)8(5-16)9-4-10(11(15-9)12(18)19)20-3-2-14-6-13/h5-9,15,17H,2-4H2,1H3,(H2,13,14)(H,18,19)/t7-,8-,9-/m1/s1
InChIKeyUACUABDJLSUFFC-IWSPIJDZSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.6[H]/N=C/NCCSC1=C(N[C@H](C1)[C@H](C=O)[C@@H](C)O)C(=O)O
ACDLabs 12.01O=C(O)C1=C(SCCNC=[N@H])CC(N1)C(C=O)C(O)C
CACTVS 3.370C[C@@H](O)[C@@H](C=O)[C@H]1CC(=C(N1)C(O)=O)SCCNC=N
OpenEye OEToolkits 1.7.6CC(C(C=O)C1CC(=C(N1)C(=O)O)SCCNC=N)O
CACTVS 3.370C[CH](O)[CH](C=O)[CH]1CC(=C(N1)C(O)=O)SCCNC=N
FormulaC12 H19 N3 O4 S
Name(5R)-5-[(1S,2R)-1-formyl-2-hydroxypropyl]-3-[(2-{[(E)-iminomethyl]amino}ethyl)sulfanyl]-4,5-dihydro-1H-pyrrole-2-carbox ylic acid;
IMIPENEM, open form;
N-FORMIMIDOYL-THIENAMYCINE, open form
ChEMBL
DrugBank
ZINCZINC000103040234
PDB chain7llh Chain B Residue 301 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB7llh Local interactions with the Glu166 base and the conformation of an active site loop play key roles in carbapenem hydrolysis by the KPC-2 beta-lactamase.
Resolution2.1 Å
Binding residue
(original residue number in PDB)
S70 W105 S130 N132 N170 R220 T235 G236 T237 E276
Binding residue
(residue number reindexed from 1)
S41 W76 S101 N103 N141 R191 T206 G207 T208 E246
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) S70 K73 S130 E166 K234 T237
Catalytic site (residue number reindexed from 1) S41 K44 S101 E137 K205 T208
Enzyme Commision number 3.5.2.6: beta-lactamase.
Gene Ontology
Molecular Function
GO:0008800 beta-lactamase activity
GO:0016787 hydrolase activity
Biological Process
GO:0017001 antibiotic catabolic process
GO:0030655 beta-lactam antibiotic catabolic process
GO:0046677 response to antibiotic

View graph for
Molecular Function

View graph for
Biological Process
External links
PDB RCSB:7llh, PDBe:7llh, PDBj:7llh
PDBsum7llh
PubMed34022225
UniProtQ9F663|BLKPC_KLEPN Carbapenem-hydrolyzing beta-lactamase KPC (Gene Name=bla)

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