2b35

Crystal structure of Mycobacterium tuberculosis enoyl reductase (InhA) inhibited by triclosan

Method: X-RAY DIFFRACTION Dmax: 136.6 Å Quality: GOOD

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

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

Mycobacterium tuberculosis

UniProt P0A5Y6

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 TCL TRICLOSAN × 4 NAD NICOTINAMIDE-ADENINE-DINUCLEOTIDE × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.8;295 K;PEG 4000, DMSO, ammonium acetate, NAD+, ADA, pH 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.30 Å R-free 0.334
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 TCL TRICLOSAN × 4 NAD NICOTINAMIDE-ADENINE-DINUCLEOTIDE × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.8;295 K;PEG 4000, DMSO, ammonium acetate, NAD+, ADA, pH 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.30 Å R-free 0.334

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.

43 other PDB entries and 55 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 1–269; UniProt 1–269 Author chain B; PDBConstruct 1–269; UniProt 1–269 Author chain C; PDBConstruct 1–269; UniProt 1–269 Author chain D; PDBConstruct 1–269; UniProt 1–269 Author chain E; PDBConstruct 1–269; UniProt 1–269 Author chain F; PDBConstruct 1–269; 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 2b35

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2b35
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2b35
Deposition date deposition_date2005-09-19
Structure title titleCrystal structure of Mycobacterium tuberculosis enoyl reductase (InhA) inhibited by triclosan
Keywords keywordsenoyl reductase, OXIDOREDUCTASE; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier40.50
Radius of gyration Rg (electron density) rg_electron40.56
Forward intensity I(0) i0418410000.00
Molecular weight molecular_weight165950.0 kDa
Excluded volume excluded_volume207200 ų
Envelope volume envelope_volume256450 ų
Hydration-shell volume shell_volume54676 ų
Envelope diameter envelope_diameter149.9
Shell Rg shell_rg43.76
Envelope Rg envelope_rg40.80
Shape Rg shape_rg40.56
Total Rg total_rg40.74
Total atoms total_atoms11637
Residues n_residues1500
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 dmax136.6
Rg (real space) rg_real40.77
Rg uncertainty (real space) rg_real_error1.55
I(0) (real space) i0_real4.1840e+08
I(0) uncertainty (real space) i0_real_error8.0030e+06
Rg (reciprocal space) rg_reciprocal40.50
I(0) (reciprocal space) i0_reciprocal418300000.0000
Solution quality estimate total_estimate0.7753
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary38.5
Skewness Skewness skewness0.558
Kurtosis Kurtosis kurtosis-0.248
Angular range angular_range— – 0.1950 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha124100000.0000
Real-space data points n_real_points40
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.749; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.827; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (6 domains)

Domain ID domain_idd2b35a_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.2 — NAD(P)-binding Rossmann-fold domains
Superfamily Superfamily superfamilyc.2.1 — NAD(P)-binding Rossmann-fold domains
Family Family familyc.2.1.2 — Tyrosine-dependent oxidoreductases
Domain ID domain_idd2b35b_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.2 — NAD(P)-binding Rossmann-fold domains
Superfamily Superfamily superfamilyc.2.1 — NAD(P)-binding Rossmann-fold domains
Family Family familyc.2.1.2 — Tyrosine-dependent oxidoreductases
Domain ID domain_idd2b35c_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.2 — NAD(P)-binding Rossmann-fold domains
Superfamily Superfamily superfamilyc.2.1 — NAD(P)-binding Rossmann-fold domains
Family Family familyc.2.1.2 — Tyrosine-dependent oxidoreductases
Domain ID domain_idd2b35d_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.2 — NAD(P)-binding Rossmann-fold domains
Superfamily Superfamily superfamilyc.2.1 — NAD(P)-binding Rossmann-fold domains
Family Family familyc.2.1.2 — Tyrosine-dependent oxidoreductases
Domain ID domain_idd2b35e_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.2 — NAD(P)-binding Rossmann-fold domains
Superfamily Superfamily superfamilyc.2.1 — NAD(P)-binding Rossmann-fold domains
Family Family familyc.2.1.2 — Tyrosine-dependent oxidoreductases
Domain ID domain_idd2b35f_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.2 — NAD(P)-binding Rossmann-fold domains
Superfamily Superfamily superfamilyc.2.1 — NAD(P)-binding Rossmann-fold domains
Family Family familyc.2.1.2 — Tyrosine-dependent oxidoreductases

CATH v4.4 (6 domains)

Domain ID domain_id2b35A00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily720 — NAD(P)-binding Rossmann-like Domain
Domain ID domain_id2b35B00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily720 — NAD(P)-binding Rossmann-like Domain
Domain ID domain_id2b35C00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily720 — NAD(P)-binding Rossmann-like Domain
Domain ID domain_id2b35D00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily720 — NAD(P)-binding Rossmann-like Domain
Domain ID domain_id2b35E00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily720 — NAD(P)-binding Rossmann-like Domain
Domain ID domain_id2b35F00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily720 — NAD(P)-binding Rossmann-like Domain

8. Citations (1)

9. Files and Curves (10)