Structure of PDB 4r9s Chain A

Receptor sequence
>4r9sA (length=268) Species: 83332 (Mycobacterium tuberculosis H37Rv) [Search protein sequence]
TGLLDGKRILVSGIITDSSIAFHIARVAQEQGAQLVLTGFDRLRLIQRIT
DRLPAKAPLLELDVQNEEHLASLAGRVTEAIGAGNKLDGVVHSIGFMPQT
GMGINPFFDAPYADVSKGIHISAYSYASMAKALLPIMNPGGSIVGMDFDP
SRAMPAYNWMTVAKSALESVNRFVAREAGKYGVRSNLVAAGPIRTLAMSA
IVGGALGEEAGAQIQLLEEGWDQRAPIGWNMKDATPVAKTVCALLSDWLP
ATTGDIIYADGGAHTQLL
3D structure
PDB4r9s Direct inhibitors of InhA are active against Mycobacterium tuberculosis
ChainA
Resolution3.2 Å
3D
structure
Catalytic site residues are labeled in the structure
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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).
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 NAD A G14 I16 S20 I21 F41 D64 V65 S94 I95 I122 M147 D148 K165 A191 P193 I194 G13 I15 S19 I20 F40 D63 V64 S93 I94 I121 M146 D147 K164 A190 P192 I193
BS02 3KY A G96 F149 Y158 M199 I215 G95 F148 Y157 M198 I214 BindingDB: IC50=570nM
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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Biological Process
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Cellular Component
External links
PDB RCSB:4r9s, PDBe:4r9s, PDBj:4r9s
PDBsum4r9s
PubMed25568071
UniProtP9WGR1|INHA_MYCTU Enoyl-[acyl-carrier-protein] reductase [NADH] (Gene Name=inhA)

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