9rjj

Structure of Mycobacterium tuberculosis InhA in complex with pyridomycin derivative KV37a (compound 9)

Method: X-RAY DIFFRACTION Dmax: 126.0 Å Quality: GOOD

1. Protein Identity and Related Structures Protein Identity & Related Structures

Enoyl-[acyl-carrier-protein] reductase [NADH]

;Mycobacterium tuberculosis '98-R604 INH-RIF-EM' ;

UniProt P9WGR1

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein homooligomer Homooligomer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 1–269 Chain B; UniProt 1–269 Not recorded A1JG0 ~{N}-[(2~{Z},5~{R},6~{S},9~{S},10~{S},11~{R})-2-butan-2-ylidene-5,11-dimethyl-10-oxidanyl-3,7,12-tris(oxidanylidene)-9-(pyridin-3-ylmethyl)-1,4-dioxa-8-azacyclododec-6-yl]-2,3-bis(oxidanyl)benzamide × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 9;293 K;30% PEG 550 MME 0.1 M NaCl 0.1 M Bicine Resolution 2.08 Å R-free 0.218
2 Protein homooligomer Homooligomer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain C; UniProt 1–269 Chain D; UniProt 1–269 Chain E; UniProt 1–269 Chain F; UniProt 1–269 Not recorded A1JG0 ~{N}-[(2~{Z},5~{R},6~{S},9~{S},10~{S},11~{R})-2-butan-2-ylidene-5,11-dimethyl-10-oxidanyl-3,7,12-tris(oxidanylidene)-9-(pyridin-3-ylmethyl)-1,4-dioxa-8-azacyclododec-6-yl]-2,3-bis(oxidanyl)benzamide × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 9;293 K;30% PEG 550 MME 0.1 M NaCl 0.1 M Bicine Resolution 2.08 Å R-free 0.218

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

52 other PDB entries and 69 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name INHA_MYCTU
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 4–272; UniProt 1–269 Author chain B; PDBConstruct 4–272; UniProt 1–269 Author chain C; PDBConstruct 4–272; UniProt 1–269 Author chain D; PDBConstruct 4–272; UniProt 1–269 Author chain E; PDBConstruct 4–272; UniProt 1–269 Author chain F; PDBConstruct 4–272; UniProt 1–269

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 9rjj

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9rjj
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9rjj
Deposition date deposition_date2025-06-12
Structure title titleStructure of Mycobacterium tuberculosis InhA in complex with pyridomycin derivative KV37a (compound 9)
Keywords keywordsInhA mycobacterium tuberculosis pyridomycin complex inhibitor, OXIDOREDUCTASE; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier38.47
Radius of gyration Rg (electron density) rg_electron38.15
Forward intensity I(0) i0834282000.00
Molecular weight molecular_weight156740.0 kDa
Excluded volume excluded_volume151230 ų
Envelope volume envelope_volume269100 ų
Hydration-shell volume shell_volume57975 ų
Envelope diameter envelope_diameter129.9
Shell Rg shell_rg44.62
Envelope Rg envelope_rg38.09
Shape Rg shape_rg38.15
Total Rg total_rg38.41
Total atoms total_atoms11875
Residues n_residues1569
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax126.0
Rg (real space) rg_real38.46
Rg uncertainty (real space) rg_real_error1.06
I(0) (real space) i0_real8.3430e+08
I(0) uncertainty (real space) i0_real_error1.5460e+07
Rg (reciprocal space) rg_reciprocal38.47
I(0) (reciprocal space) i0_reciprocal834300000.0000
Solution quality estimate total_estimate0.8937
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks0
Primary peak position r_peak_primary
Skewness Skewness skewness0.291
Kurtosis Kurtosis kurtosis-0.566
Angular range angular_range— – 0.2050 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha128500000.0000
Real-space data points n_real_points42
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.903; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.995; Smooth: 0.910

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

8. Citations (1)

9. Files and Curves (10)