3fnf

Crystal structure of InhA bound to triclosan derivative

Method: X-RAY DIFFRACTION Dmax: 92.2 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 Chain C; UniProt 1–269 Chain D; UniProt 1–269 Not recorded NAD NICOTINAMIDE-ADENINE-DINUCLEOTIDE × 4 JPM 5-benzyl-2-(2,4-dichlorophenoxy)phenol × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.8;293 K;20% PEG 3350, 6% DMSO, 0.1M ADA pH 6.8, and 0.08 M ammonium acetate, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.30 Å R-free 0.260

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 56 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

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 3fnf

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3fnf
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3fnf
Deposition date deposition_date2008-12-24
Structure title titleCrystal structure of InhA bound to triclosan derivative
Keywords keywordsInhA, triclosan, tuberculosis, Antibiotic resistance, Fatty acid biosynthesis, Lipid synthesis, NAD, Oxidoreductase; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier29.54
Radius of gyration Rg (electron density) rg_electron28.58
Forward intensity I(0) i0205110000.00
Molecular weight molecular_weight114110.0 kDa
Excluded volume excluded_volume142680 ų
Envelope volume envelope_volume164300 ų
Hydration-shell volume shell_volume45632 ų
Envelope diameter envelope_diameter97.0
Shell Rg shell_rg37.72
Envelope Rg envelope_rg28.80
Shape Rg shape_rg28.56
Total Rg total_rg29.37
Total atoms total_atoms8007
Residues n_residues1035
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 dmax92.2
Rg (real space) rg_real29.40
Rg uncertainty (real space) rg_real_error0.58
I(0) (real space) i0_real2.0510e+08
I(0) uncertainty (real space) i0_real_error2.9410e+06
Rg (reciprocal space) rg_reciprocal29.46
I(0) (reciprocal space) i0_reciprocal205100000.0000
Solution quality estimate total_estimate0.8957
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary37.5
Skewness Skewness skewness0.208
Kurtosis Kurtosis kurtosis-0.401
Angular range angular_range— – 0.2700 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha102500000.0000
Real-space data points n_real_points55
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.907; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.982; Smooth: 0.936

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd3fnfa_
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_idd3fnfb_
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_idd3fnfc_
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_idd3fnfd_
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 (4 domains)

Domain ID domain_id3fnfA00
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_id3fnfB00
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_id3fnfC00
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_id3fnfD00
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)