Structure of PDB 1iyq Chain A Binding Site BS01

Receptor Information
>1iyq Chain A (length=261) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
NSVQQQLEALEKSSGGRLGVALINTADNSQILYRADERFAMCSTSKVMAA
AAVLKQSESDKHLLNQRVEIKKSDLVNYNPIAEKHVNGTMTLAELGAAAL
QYSDNTAMNKLIAHLGGPDKVTAFARSLGDETFRLDRTAPTLNTAIPGDP
RDTTTPLAMAQTLKNLTLGKALAETQRAQLVTWLKGNTTGSASIRAGLPK
SWVVGDKTGSGDYGTTNDIAVIWPENHAPLVLVTYFTQPEQKAERRRDIL
AAAAKIVTHGF
Ligand information
Ligand IDPNM
InChIInChI=1S/C16H20N2O4S/c1-16(2)13(15(21)22)18-14(23-16)11(9-19)17-12(20)8-10-6-4-3-5-7-10/h3-7,9,11,13-14,18H,8H2,1-2H3,(H,17,20)(H,21,22)/t11-,13+,14-/m1/s1
InChIKeyOGFZUTGOGYUTKZ-KWCYVHTRSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0CC1(C(NC(S1)C(C=O)NC(=O)Cc2ccccc2)C(=O)O)C
OpenEye OEToolkits 1.5.0CC1([C@@H](N[C@H](S1)[C@@H](C=O)NC(=O)Cc2ccccc2)C(=O)O)C
ACDLabs 10.04O=C(NC(C=O)C1SC(C(N1)C(=O)O)(C)C)Cc2ccccc2
CACTVS 3.341CC1(C)S[C@@H](N[C@H]1C(O)=O)[C@H](NC(=O)Cc2ccccc2)C=O
CACTVS 3.341CC1(C)S[CH](N[CH]1C(O)=O)[CH](NC(=O)Cc2ccccc2)C=O
FormulaC16 H20 N2 O4 S
NameOPEN FORM - PENICILLIN G
ChEMBL
DrugBank
ZINCZINC000006591277
PDB chain1iyq Chain A 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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PDB1iyq Acyl-intermediate Structures of the Extended-spectrum Class A beta -Lactamase, Toho-1, in Complex with Cefotaxime, Cephalothin, and Benzylpenicillin.
Resolution2.1 Å
Binding residue
(original residue number in PDB)		C69 S70 Y105 S130 N132 N170 T235 G236 S237
Binding residue
(residue number reindexed from 1)		C42 S43 Y78 S103 N105 N143 T208 G209 S210
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) S70 K73 S130 A166 K234 S237
Catalytic site (residue number reindexed from 1) S43 K46 S103 A139 K207 S210
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:1iyq, PDBe:1iyq, PDBj:1iyq
PDBsum1iyq
PubMed12221102
UniProtQ47066|BLT1_ECOLX Beta-lactamase Toho-1 (Gene Name=bla)

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