Structure of PDB 1n9b Chain A Binding Site BS02

Receptor Information
>1n9b Chain A (length=265) Species: 573 (Klebsiella pneumoniae) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SPQPLEQIKLSESQLSGRVGMIEMDLASGRTLTAWRADERFPMMSTFKVV
LCGAVLARVDAGDEQLERKIHYRQQDLVDYSPVSEKHLADGMTVGELCAA
AITMSDNSAANLLLATVGGPAGLTAFLRQIGDNVTRLDRWETELNEALPG
DARDTTTPASMAATLRKLLTSQRLSARSQRQLLQWMVDDRVAGPLIRSVL
PAGWFIADKTGASERGARGIVALLGPNNKAERIVVIYLRDTPASMAERNQ
QIAGIGAALIEHWQR
Ligand information
Ligand IDMA4
InChIInChI=1S/C24H44O11/c25-12-15-17(27)18(28)20(30)24(33-15)35-22-16(13-26)34-23(21(31)19(22)29)32-11-7-2-1-4-8-14-9-5-3-6-10-14/h14-31H,1-13H2/t15-,16-,17-,18+,19-,20-,21-,22-,23-,24-/m1/s1
InChIKeyWUCWJXGMSXTDAV-QKMCSOCLSA-N
SMILES
SoftwareSMILES
CACTVS 3.341OC[CH]1O[CH](O[CH]2[CH](O)[CH](O)[CH](OCCCCCCC3CCCCC3)O[CH]2CO)[CH](O)[CH](O)[CH]1O
ACDLabs 10.04O(CCCCCCC1CCCCC1)C3OC(C(OC2OC(CO)C(O)C(O)C2O)C(O)C3O)CO
OpenEye OEToolkits 1.5.0C1CCC(CC1)CCCCCCOC2C(C(C(C(O2)CO)OC3C(C(C(C(O3)CO)O)O)O)O)O
OpenEye OEToolkits 1.5.0C1CCC(CC1)CCCCCCO[C@H]2[C@@H]([C@H]([C@@H]([C@H](O2)CO)O[C@@H]3[C@@H]([C@H]([C@@H]([C@H](O3)CO)O)O)O)O)O
CACTVS 3.341OC[C@H]1O[C@H](O[C@H]2[C@H](O)[C@@H](O)[C@H](OCCCCCCC3CCCCC3)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@@H]1O
FormulaC24 H44 O11
NameCYCLOHEXYL-HEXYL-BETA-D-MALTOSIDE
ChEMBL
DrugBankDB03472
ZINCZINC000016051503
PDB chain1n9b Chain A Residue 310 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1n9b Ultrahigh resolution structure of a class A beta-lactamase: On the mechanism and specificity of the extended-spectrum SHV-2 enzyme
Resolution0.9 Å
Binding residue
(original residue number in PDB)		R244 I279
Binding residue
(residue number reindexed from 1)		R218 I252
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) S70 K73 S130 E166 K234 A237
Catalytic site (residue number reindexed from 1) S45 K48 S105 E141 K209 A212
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:1n9b, PDBe:1n9b, PDBj:1n9b
PDBsum1n9b
PubMed12684014
UniProtP30896|BLA3_KLEPN Beta-lactamase SHV-3 (Gene Name=bla)

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