2pr2

Structure of Mycobacterium tuberculosis enoyl-ACP reductase with bound INH-NADP.

Method: X-RAY DIFFRACTION Dmax: 58.9 Å Quality: GOOD

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

enoyl-ACP Reductase

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 Not recorded DG1 (4S)-ISONICOTINIC-ACETYL-NICOTINAMIDE-ADENINE DINUCLEOTIDE × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 9;291 K;Cocrystallization with Inh-NADP at 4.8 mM 20 25% of 2-methyl-2,4-pentanediol, 100 mM Bicine pH 9.0., Vapour diffusion under oil, temperature 291K, VAPOR DIFFUSION Resolution 2.50 Å R-free 0.217

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

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 2pr2

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2pr2
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2pr2
Deposition date deposition_date2007-05-03
Structure title titleStructure of Mycobacterium tuberculosis enoyl-ACP reductase with bound INH-NADP.
Keywords keywordsdrug target of isoniazid, OXIDOREDUCTASE; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier18.84
Radius of gyration Rg (electron density) rg_electron17.75
Forward intensity I(0) i015337600.00
Molecular weight molecular_weight29142.0 kDa
Excluded volume excluded_volume36371 ų
Envelope volume envelope_volume41640 ų
Hydration-shell volume shell_volume19269 ų
Envelope diameter envelope_diameter60.5
Shell Rg shell_rg24.38
Envelope Rg envelope_rg18.07
Shape Rg shape_rg17.78
Total Rg total_rg18.62
Total atoms total_atoms2045
Residues n_residues267
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 dmax58.9
Rg (real space) rg_real18.72
Rg uncertainty (real space) rg_real_error0.32
I(0) (real space) i0_real1.5340e+07
I(0) uncertainty (real space) i0_real_error1.7230e+05
Rg (reciprocal space) rg_reciprocal18.74
I(0) (reciprocal space) i0_reciprocal15340000.0000
Solution quality estimate total_estimate0.8950
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary24.5
Skewness Skewness skewness0.164
Kurtosis Kurtosis kurtosis-0.382
Angular range angular_range— – 0.4200 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3945000.0000
Real-space data points n_real_points73
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.882; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.991; Smooth: 0.994

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd2pr2a_
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 (1 domains)

Domain ID domain_id2pr2A00
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)