4bii

How nature bridges the gap: Crystallographic elucidation of pyridomycin binding to InhA

Method: X-RAY DIFFRACTION Dmax: 89.0 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 × 3 PYW Pyridomycin × 3 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 1.95 Å R-free 0.205

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 4bii

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4bii
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4bii
Deposition date deposition_date2013-04-10
Structure title titleHow nature bridges the gap: Crystallographic elucidation of pyridomycin binding to InhA
Keywords keywordsOXIDOREDUCTASE, ACP ENOYL REDUCTASE; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier29.16
Radius of gyration Rg (electron density) rg_electron28.20
Forward intensity I(0) i0185676000.00
Molecular weight molecular_weight108200.0 kDa
Excluded volume excluded_volume135270 ų
Envelope volume envelope_volume157870 ų
Hydration-shell volume shell_volume44491 ų
Envelope diameter envelope_diameter93.7
Shell Rg shell_rg37.27
Envelope Rg envelope_rg28.37
Shape Rg shape_rg28.21
Total Rg total_rg28.97
Total atoms total_atoms7610
Residues n_residues1027
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 dmax89.0
Rg (real space) rg_real29.02
Rg uncertainty (real space) rg_real_error0.52
I(0) (real space) i0_real1.8570e+08
I(0) uncertainty (real space) i0_real_error2.4980e+06
Rg (reciprocal space) rg_reciprocal29.08
I(0) (reciprocal space) i0_reciprocal185700000.0000
Solution quality estimate total_estimate0.8939
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary36.2
Skewness Skewness skewness0.204
Kurtosis Kurtosis kurtosis-0.403
Angular range angular_range— – 0.2700 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha80450000.0000
Real-space data points n_real_points55
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.930; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.979; Smooth: 0.848

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_idd4biia_
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_idd4biib_
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_idd4biic_
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_idd4biid_
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_id4biiA00
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_id4biiB00
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_id4biiC00
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_id4biiD00
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)