4jfb

Crystal structure of OmpF in C2 with tNCS

Method: X-RAY DIFFRACTION Dmax: 198.8 Å Quality: REASONABLE

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

Outer membrane protein F

Escherichia coli

UniProt P02931

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 × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 23–362 Chain B; UniProt 23–362 Chain C; UniProt 23–362 Not recorded No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8;293 K;18-22% PEG 1500, 5-10% 2-Methyl-2,4-pentanediol, 0.1M Tris-HCl pH 8, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 3.80 Å R-free 0.314
2 Protein homooligomer Homooligomer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain D; UniProt 23–362 Chain E; UniProt 23–362 Chain F; UniProt 23–362 Not recorded No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8;293 K;18-22% PEG 1500, 5-10% 2-Methyl-2,4-pentanediol, 0.1M Tris-HCl pH 8, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 3.80 Å R-free 0.314

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.

41 other PDB entries and 63 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name OMPF_ECOLI
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–340; UniProt 23–362 Author chain B; PDBConstruct 1–340; UniProt 23–362 Author chain C; PDBConstruct 1–340; UniProt 23–362 Author chain D; PDBConstruct 1–340; UniProt 23–362 Author chain E; PDBConstruct 1–340; UniProt 23–362 Author chain F; PDBConstruct 1–340; UniProt 23–362

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 4jfb

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id4jfb
Deposition date deposition_date2013-02-28
Structure title titleCrystal structure of OmpF in C2 with tNCS
Keywords keywordsmembrane protein, porin, OmpF, E. coli outer membrane; MEMBRANE PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier63.61
Radius of gyration Rg (electron density) rg_electron64.18
Forward intensity I(0) i0729781000.00
Molecular weight molecular_weight222430.0 kDa
Excluded volume excluded_volume275000 ų
Envelope volume envelope_volume457090 ų
Hydration-shell volume shell_volume58826 ų
Envelope diameter envelope_diameter189.0
Shell Rg shell_rg71.53
Envelope Rg envelope_rg58.94
Shape Rg shape_rg64.18
Total Rg total_rg64.31
Total atoms total_atoms15762
Residues n_residues2040
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 dmax198.8
Rg (real space) rg_real64.08
Rg uncertainty (real space) rg_real_error2.37
I(0) (real space) i0_real7.2980e+08
I(0) uncertainty (real space) i0_real_error1.5810e+07
Rg (reciprocal space) rg_reciprocal63.04
I(0) (reciprocal space) i0_reciprocal728400000.0000
Solution quality estimate total_estimate0.6087
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary39.8
Skewness Skewness skewness0.095
Kurtosis Kurtosis kurtosis-1.427
Angular range angular_range— – 0.1250 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha59980000.0000
Real-space data points n_real_points26
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.011; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.588; Smooth: 0.287

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (1)

7. Fold Classification (SCOP + CATH) 6 domains

CATH v4.4 (6 domains)

Domain ID domain_id4jfbA00
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology160 — Porin
Homologous superfamily homologous superfamily10 — Porin
Domain ID domain_id4jfbB00
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology160 — Porin
Homologous superfamily homologous superfamily10 — Porin
Domain ID domain_id4jfbC00
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology160 — Porin
Homologous superfamily homologous superfamily10 — Porin
Domain ID domain_id4jfbD00
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology160 — Porin
Homologous superfamily homologous superfamily10 — Porin
Domain ID domain_id4jfbE00
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology160 — Porin
Homologous superfamily homologous superfamily10 — Porin
Domain ID domain_id4jfbF00
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology160 — Porin
Homologous superfamily homologous superfamily10 — Porin

8. Citations (1)

9. Files and Curves (10)