28IT: InhA from Mycobacterium tuberculosis

structure of InhA from Mycobacterium tuberculosis in complex with (E)-2-(4-(4-((4-cyclopropyl-1H-1,2,3-triazol-1-yl)methyl)-2-hydroxyphenoxy)benzylidene)hydrazine-1-carbothioamide (compound 6b). Determined by X-ray diffraction at 1.51 Å resolution. Released 15 Jul 2026.

Method
X-ray diffraction
Resolution
1.51 Å
Organism
Mycobacterium tuberculosis
Chains
1
Atoms
2,406
Mol. weight
30.21 kDa
Ligands
PIN, A1JZA, NAD
Released
15 Jul 2026

Explore 28IT in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

28IT contains 14 α-helices and 7 β-strands across 1 chain. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 14 helices, 7 β-strands

ElementResiduesLengthSheet
β-strand9-1351
α-helix21-3111
β-strand35-4061
α-helix44-518
β-strand60-6231
α-helix68-8215
β-strand88-9361
α-helix100-1023
α-helix108-1103
α-helix113-1208
α-helix121-1255
α-helix126-1349
α-helix135-1373
β-strand138-148111
α-helix159-18022
β-strand185-19171
α-helix197-2059
α-helix210-22516
α-helix236-24611
β-strand256-26051
α-helix264-2663

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Enoyl-[acyl-carrier-protein] reductase [NADH]Aprotein272Mycobacterium tuberculosisP9WGR1 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>28IT_1 Enoyl-[acyl-carrier-protein] reductase [NADH] (chains A)
GSHMTGLLDGKRILVSGIITDSSIAFHIARVAQEQGAQLVLTGFDRLRLIQRITDRLPAK
APLLELDVQNEEHLASLAGRVTEAIGAGNKLDGVVHSIGFMPQTGMGINPFFDAPYADVS
KGIHISAYSYASMAKALLPIMNPGGSIVGMDFDPSRAMPAYNWMTVAKSALESVNRFVAR
EAGKYGVRSNLVAAGPIRTLAMSAIVGGALGEEAGAQIQLLEEGWDQRAPIGWNMKDATP
VAKTVCALLSDWLPATTGDIIYADGGAHTQLL

Ligands and cofactors

IDNameFormulaCopies
PINPiperazine-n,n'-BIS(2-ethanesulfonic acid)C8 H18 N2 O6 S21
A1JZA(E)-2-(4-(4-((4-cyclopropyl-1H-1,2,3-triazol-1-yl)methyl)-2-hydroxyphenoxy)benz…C20 H20 N6 O2 S1
NADNicotinamide-adenine-dinucleotideC21 H27 N7 O14 P21

Primary citation

Rational Design of Diaryl Ether-Based Dual Inhibitors Targeting Successive Essential Enzymes HadAB and InhA in Mycobacterium tuberculosis . Tamhaev, R., Recchia, D., Zahorszka, M. et al. J Med Chem (2026) 69:17366-17382. DOI 10.1021/acs.jmedchem.6c01302 · PubMed

Other PDB entries of the same protein (UniProt P9WGR1 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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