Structure of PDB 2hdq Chain B Binding Site BS02

Receptor Information
>2hdq Chain B (length=358) Species: 83333 (Escherichia coli K-12) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
APQQINDIVHRTITPLIEQQKIPGMAVAVIYQGKPYYFTWGYADIAKKQP
VTQQTLFELGSVSKTFTGVLGGDAIARGEIKLSDPTTKYWPELTAKQWNG
ITLLHLATYTAGGLPLQVPDEVKSSSDLLRFYQNWQPAWAPGTQRLYANS
SIGLFGALAVKPSGLSFEQAMQTRVFQPLKLNHTWINVPPAEEKNYAWGY
REGKAVHVSPGALDAEAYGVKSTIEDMARWVQSNLKPLDINEKTLQQGIQ
LAQSRYWQTGDMYQGLGWEMLDWPVNPDSIINGSDNKIALAARPVKAITP
PTPAVRASWVHKTGATGGFGSYVAFIPEKELGIVMLANKNYPNPARVDAA
WQILNALQ
Ligand information
Ligand IDC21
InChIInChI=1S/C5H4O2S/c6-5(7)4-2-1-3-8-4/h1-3H,(H,6,7)
InChIKeyQERYCTSHXKAMIS-UHFFFAOYSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0c1cc(sc1)C(=O)O
CACTVS 3.341OC(=O)c1sccc1
ACDLabs 10.04O=C(O)c1sccc1
FormulaC5 H4 O2 S
NameTHIOPHENE-2-CARBOXYLIC ACID
ChEMBLCHEMBL1222314
DrugBank
ZINCZINC000000157468
PDB chain2hdq Chain B Residue 505 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2hdq Deconstructing fragment-based inhibitor discovery
Resolution2.1 Å
Binding residue
(original residue number in PDB)		P140 W142 A143
Binding residue
(residue number reindexed from 1)		P137 W139 A140
Annotation score1
Binding affinityMOAD: Ki=40mM
BindingDB: Ki=40000000nM
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:2hdq, PDBe:2hdq, PDBj:2hdq
PDBsum2hdq
PubMed17072304
UniProtP00811|AMPC_ECOLI Beta-lactamase (Gene Name=ampC)

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