Structure of PDB 2nv6 Chain A Binding Site BS01

Receptor Information
>2nv6 Chain A (length=268) Species: 1773 (Mycobacterium tuberculosis) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
AGLLDGKRILVSGIITDSSIAFHIARVAQEQGAQLVLTGFDRLRLIQRIT
DRLPAKAPLLELDVQNEEHLASLAGRVTEAIGAGNKLDGVVHAIGFMPQT
GMGINPFFDAPYADVSKGIHISAYSYASMAKALLPIMNPGGSIVGMDFDP
SRAMPAYNWMTVAKSALESVNRFVAREAGKYGVRSNLVAAGPIRTLAMSA
IVGGALGEEAGAQIQLLEEGWDQRAPIGWNMKDATPVAKTVCALLSDWLP
ATTGDIIYADGGAHTQLL
Ligand information
Ligand IDZID
InChIInChI=1S/C27H30N8O15P2/c28-23-17-25(32-10-31-23)35(11-33-17)27-22(40)20(38)16(49-27)9-47-52(44,45)50-51(42,43)46-8-15-19(37)21(39)26(48-15)34-6-3-13(14(7-34)24(29)41)18(36)12-1-4-30-5-2-12/h1-7,10-11,15-16,19-22,26-27,37-40H,8-9H2,(H5-,28,29,31,32,41,42,43,44,45)/t15-,16-,19-,20-,21-,22-,26-,27-/m1/s1
InChIKeySURAWYIAXPVHGO-XDBKRARRSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.5c1cnccc1C(=O)c2cc[n+](cc2C(=O)N)C3C(C(C(O3)COP(=O)([O-])OP(=O)(O)OCC4C(C(C(O4)n5cnc6c5ncnc6N)O)O)O)O
OpenEye OEToolkits 1.7.5c1cnccc1C(=O)c2cc[n+](cc2C(=O)N)[C@H]3[C@@H]([C@@H]([C@H](O3)COP(=O)([O-])O[P@@](=O)(O)OC[C@@H]4[C@H]([C@H]([C@@H](O4)n5cnc6c5ncnc6N)O)O)O)O
CACTVS 3.385NC(=O)c1c[n+](ccc1C(=O)c2ccncc2)[C@@H]3O[C@H](CO[P]([O-])(=O)O[P](O)(=O)OC[C@H]4O[C@H]([C@H](O)[C@@H]4O)n5cnc6c(N)ncnc56)[C@@H](O)[C@H]3O
CACTVS 3.385NC(=O)c1c[n+](ccc1C(=O)c2ccncc2)[CH]3O[CH](CO[P]([O-])(=O)O[P](O)(=O)OC[CH]4O[CH]([CH](O)[CH]4O)n5cnc6c(N)ncnc56)[CH](O)[CH]3O
FormulaC27 H30 N8 O15 P2
NameISONICOTINIC-ACETYL-NICOTINAMIDE-ADENINE DINUCLEOTIDE
ChEMBL
DrugBank
ZINC
PDB chain2nv6 Chain A Residue 300 [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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PDB2nv6 Transfer of a point mutation in Mycobacterium tuberculosis inhA resolves the target of isoniazid.
Resolution1.9 Å
Binding residue
(original residue number in PDB)
G14 I16 S20 I21 F41 D64 V65 A94 I95 G96 M147 D148 F149 Y158 K165 A191 G192 P193 I194 W222
Binding residue
(residue number reindexed from 1)
G13 I15 S19 I20 F40 D63 V64 A93 I94 G95 M146 D147 F148 Y157 K164 A190 G191 P192 I193 W221
Annotation score3
Binding affinityMOAD: ic50=323nM
Enzymatic activity
Catalytic site (original residue number in PDB) Y158 K165
Catalytic site (residue number reindexed from 1) Y157 K164
Enzyme Commision number 1.3.1.9: enoyl-[acyl-carrier-protein] reductase (NADH).
Gene Ontology
Molecular Function
GO:0004318 enoyl-[acyl-carrier-protein] reductase (NADH) activity
GO:0005504 fatty acid binding
GO:0016491 oxidoreductase activity
GO:0050343 trans-2-enoyl-CoA reductase (NADH) activity
GO:0070403 NAD+ binding
Biological Process
GO:0006633 fatty acid biosynthetic process
GO:0030497 fatty acid elongation
GO:0046677 response to antibiotic
GO:0071768 mycolic acid biosynthetic process
Cellular Component
GO:0005886 plasma membrane
GO:0009274 peptidoglycan-based cell wall

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:2nv6, PDBe:2nv6, PDBj:2nv6
PDBsum2nv6
PubMed16906155
UniProtP9WGR1|INHA_MYCTU Enoyl-[acyl-carrier-protein] reductase [NADH] (Gene Name=inhA)

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