Structure of PDB 1pi5 Chain B Binding Site BS01

Receptor Information
>1pi5 Chain B (length=358) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
APQQINDIVHRTITPLIEQQKIPGMAVAVIYQGKPYYFTWGYADIAKKQP
VTQQTLFELGSVSKTFTGVLGGDAIARGEIKLSDPTTKYWPELTAKQWNG
ITLLHLATYTAGGLPLQVPDEVKSSSDLLRFYQNWQPAWAPGTQRLYANS
SIGLFGALAVKPSGLSFEQAMQTRVFQPLKLNHTWINVPPAEEKNYAWGY
REGKAVHVSPGALDAEAYGVKSTIEDMARWVQSNLKPLDINEKTLQQGIQ
LAQSRYWQTGDMYQGLGWEMLDWPVNPDSIINGSDAKIALAARPVKAITP
PTPAVRASWVHKTGATGGFGSYVAFIPEKELGIVMLANKNYPNPARVDAA
WQILNALQ
Ligand information
Ligand IDSM2
InChIInChI=1S/C14H14BNO5S/c17-12(8-11-5-2-6-22-11)16-13(15(20)21)9-3-1-4-10(7-9)14(18)19/h1-7,13,20-21H,8H2,(H,16,17)(H,18,19)/t13-/m0/s1
InChIKeyHQLQTGGLHBYZSA-ZDUSSCGKSA-N
SMILES
SoftwareSMILES
CACTVS 3.341OB(O)[C@@H](NC(=O)Cc1sccc1)c2cccc(c2)C(O)=O
OpenEye OEToolkits 1.5.0B([C@H](c1cccc(c1)C(=O)O)NC(=O)Cc2cccs2)(O)O
CACTVS 3.341OB(O)[CH](NC(=O)Cc1sccc1)c2cccc(c2)C(O)=O
ACDLabs 10.04O=C(NC(B(O)O)c1cc(C(=O)O)ccc1)Cc2sccc2
OpenEye OEToolkits 1.5.0B(C(c1cccc(c1)C(=O)O)NC(=O)Cc2cccs2)(O)O
FormulaC14 H14 B N O5 S
Name(1R)-1-(2-THIENYLACETYLAMINO)-1-(3-CARBOXYPHENYL)METHYLBORONIC ACID
ChEMBLCHEMBL257468
DrugBankDB08551
ZINC
PDB chain1pi5 Chain B Residue 400 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1pi5 Thermodynamic cycle analysis and inhibitor design against beta-lactamase.
Resolution1.49 Å
Binding residue
(original residue number in PDB)		D281 S282 N285 G286 I291 R296
Binding residue
(residue number reindexed from 1)		D278 S279 N282 G283 I288 R293
Annotation score1
Binding affinityMOAD: Ki=17nM
Enzymatic activity
Catalytic site (original residue number in PDB) S64 K67 Y112 A114 V121 Y150 G156 E272 K315 A318
Catalytic site (residue number reindexed from 1) S61 K64 Y109 A111 V118 Y147 G153 E269 K312 A315
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:0046677 response to antibiotic
Cellular Component
GO:0030288 outer membrane-bounded periplasmic space
GO:0042597 periplasmic space

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1pi5, PDBe:1pi5, PDBj:1pi5
PDBsum1pi5
PubMed14661960
UniProtP00811|AMPC_ECOLI Beta-lactamase (Gene Name=ampC)

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