1lxc

Crystal Structure of E. Coli Enoyl Reductase-NAD+ with a Bound Acrylamide Inhibitor

Method: X-RAY DIFFRACTION Dmax: 77.4 Å Quality: GOOD

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

ENOYL-[ACYL-CARRIER-PROTEIN] REDUCTASE [NADH]

OrganismNot specified

UniProt P29132

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 0–261 Chain B; UniProt 0–261 Not recorded NAD NICOTINAMIDE-ADENINE-DINUCLEOTIDE × 4 AYM 3-(6-AMINOPYRIDIN-3-YL)-N-METHYL-N-[(1-METHYL-1H-INDOL-2-YL)METHYL]ACRYLAMIDE × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.5;298 K;0.1 M HEPES, 2M(NH4)2SO4,5% PEG400, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K Resolution 2.40 Å R-free 0.253

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.

11 other PDB entries and 12 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name FABI_ECOLI
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–262; UniProt 0–261 Author chain B; PDBConstruct 1–262; UniProt 0–261

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 1lxc

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1lxc
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1lxc
Deposition date deposition_date2002-06-05
Structure title titleCrystal Structure of E. Coli Enoyl Reductase-NAD+ with a Bound Acrylamide Inhibitor
Keywords keywordsFABI, ENOYL REDUCTASE, OXIDOREDUCTASE; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier24.58
Radius of gyration Rg (electron density) rg_electron23.70
Forward intensity I(0) i052274400.00
Molecular weight molecular_weight55114.0 kDa
Excluded volume excluded_volume68521 ų
Envelope volume envelope_volume78649 ų
Hydration-shell volume shell_volume27557 ų
Envelope diameter envelope_diameter77.5
Shell Rg shell_rg31.13
Envelope Rg envelope_rg23.86
Shape Rg shape_rg23.70
Total Rg total_rg24.53
Total atoms total_atoms3865
Residues n_residues502
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 dmax77.4
Rg (real space) rg_real24.56
Rg uncertainty (real space) rg_real_error0.49
I(0) (real space) i0_real5.2270e+07
I(0) uncertainty (real space) i0_real_error7.4810e+05
Rg (reciprocal space) rg_reciprocal24.56
I(0) (reciprocal space) i0_reciprocal52270000.0000
Solution quality estimate total_estimate0.8961
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary27.0
Skewness Skewness skewness0.346
Kurtosis Kurtosis kurtosis-0.368
Angular range angular_range— – 0.3250 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha11920000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.912; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.996; Smooth: 0.912

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1lxca_
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_idd1lxcb_
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 (2 domains)

Domain ID domain_id1lxcA00
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_id1lxcB00
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)