Structure of PDB 2pr2 Chain A Binding Site BS01

Receptor Information
>2pr2 Chain A (length=267) Species: 83332 (Mycobacterium tuberculosis H37Rv) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
GLLDGKRILVSGIITDSSIAFHIARVAQEQGAQLVLTGFDRLRLIQRITD
RLPAKAPLLELDVQNEEHLASLAGRVTEAIGAGNKLDGVVHSIGFMPQTG
MGINPFFDAPYADVSKGIHISAYSYASMAKALLPIMNPGGSIVGMDFDPS
RAMPAYNWMTVAKSALESVNRFVAREAGKYGVRSNLVAAGPIRTLAMSAI
VGGALGEEAGAQIQLLEEGWDQRAPIGWNMKDATPVAKTVCALLSDWLPA
TTGDIIYADGGAHTQLL
Ligand information
Ligand IDDG1
InChIInChI=1S/C27H33N8O18P3/c28-23-17-25(32-10-31-23)35(11-33-17)27-22(52-54(41,42)43)20(38)16(51-27)9-49-56(46,47)53-55(44,45)48-8-15-19(37)21(39)26(50-15)34-6-3-13(14(7-34)24(29)40)18(36)12-1-4-30-5-2-12/h1-7,10-11,13,15-16,19-22,26-27,37-39H,8-9H2,(H2,29,40)(H,44,45)(H,46,47)(H2,28,31,32)(H2,41,42,43)/t13-,15+,16+,19+,20+,21+,22+,26+,27+/m0/s1
InChIKeyFPZCWRGJBUDVSB-BGARNJTLSA-N
SMILES
SoftwareSMILES
CACTVS 3.341NC(=O)C1=CN(C=C[CH]1C(=O)c2ccncc2)[CH]3O[CH](CO[P](O)(=O)O[P](O)(=O)OC[CH]4O[CH]([CH](O[P](O)(O)=O)[CH]4O)n5cnc6c(N)ncnc56)[CH](O)[CH]3O
CACTVS 3.341NC(=O)C1=CN(C=C[C@@H]1C(=O)c2ccncc2)[C@@H]3O[C@H](CO[P@](O)(=O)O[P@@](O)(=O)OC[C@H]4O[C@H]([C@H](O[P](O)(O)=O)[C@@H]4O)n5cnc6c(N)ncnc56)[C@@H](O)[C@H]3O
OpenEye OEToolkits 1.5.0c1cnccc1C(=O)C2C=CN(C=C2C(=O)N)C3C(C(C(O3)COP(=O)(O)OP(=O)(O)OCC4C(C(C(O4)n5cnc6c5ncnc6N)OP(=O)(O)O)O)O)O
OpenEye OEToolkits 1.5.0c1cnccc1C(=O)[C@H]2C=CN(C=C2C(=O)N)[C@H]3[C@@H]([C@@H]([C@H](O3)CO[P@@](=O)(O)O[P@](=O)(O)OC[C@@H]4[C@H]([C@H]([C@@H](O4)n5cnc6c5ncnc6N)OP(=O)(O)O)O)O)O
FormulaC27 H33 N8 O18 P3
Name(4S)-ISONICOTINIC-ACETYL-NICOTINAMIDE-ADENINE DINUCLEOTIDE;
{(2R,3S,4R,5R)-5-[(4S)-3-(AMINOCARBONYL)-4-ISONICOTINOYLPYRIDIN-1(4H)-YL]-3,4-DIHYDROXYTETRAHYDROFURAN-2-YL}METHYL [(2R,3R,4R,5R)-5-(6-AMINO-9H-PURIN-9-YL)-3-HYDROXY-4-(PHOSPHONOOXY)TETRAHYDROFURAN-2-YL]METHYL DIHYDROGEN DIPHOSPHATE
ChEMBL
DrugBank
ZINCZINC000263620430
PDB chain2pr2 Chain A Residue 300 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2pr2 New insight into the mechanism of action of and resistance to isoniazid: interaction of Mycobacterium tuberculosis enoyl-ACP reductase with INH-NADP
Resolution2.5 Å
Binding residue
(original residue number in PDB)
G14 I21 F41 V65 S94 I95 I122 M147 D148 F149 Y158 K165 A191 G192 P193 I194 T196
Binding residue
(residue number reindexed from 1)
G12 I19 F39 V63 S92 I93 I120 M145 D146 F147 Y156 K163 A189 G190 P191 I192 T194
Annotation score2
Binding affinityMOAD: Ki=130nM
Enzymatic activity
Catalytic site (original residue number in PDB) Y158 K165
Catalytic site (residue number reindexed from 1) Y156 K163
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:2pr2, PDBe:2pr2, PDBj:2pr2
PDBsum2pr2
PubMed17636923
UniProtP9WGR1|INHA_MYCTU Enoyl-[acyl-carrier-protein] reductase [NADH] (Gene Name=inhA)

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