7ta3

Trimer-to-Monomer Disruption of Tumor Necrosis Factor-alpha (TNF-alpha) by alpha-peptide-3

Method: X-RAY DIFFRACTION Dmax: 72.8 Å Quality: EXCELLENT

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

Tumor necrosis factor

Homo sapiens

UniProt P01375

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 77–233 Not recorded Alpha-peptide-3 × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 8.5;293 K;1.5M ammonium sulfate, 0.1 M tris HCL pH 8.5, 12% glycerol Resolution 2.50 Å R-free 0.277
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain D; UniProt 77–233 Not recorded Alpha-peptide-3 × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 8.5;293 K;1.5M ammonium sulfate, 0.1 M tris HCL pH 8.5, 12% glycerol Resolution 2.50 Å R-free 0.277

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.

49 other PDB entries and 97 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TNFA_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 2–158; UniProt 77–233 Author chain D; PDBConstruct 2–158; UniProt 77–233

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 7ta3

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7ta3
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7ta3
Deposition date deposition_date2021-12-20
Structure title titleTrimer-to-Monomer Disruption of Tumor Necrosis Factor-alpha (TNF-alpha) by alpha-peptide-3
Keywords keywordstumor necrosis factor-alpha, signaling, SIGNALING PROTEIN; SIGNALING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier23.83
Radius of gyration Rg (electron density) rg_electron22.38
Forward intensity I(0) i025767700.00
Molecular weight molecular_weight39034.0 kDa
Excluded volume excluded_volume48982 ų
Envelope volume envelope_volume59858 ų
Hydration-shell volume shell_volume22443 ų
Envelope diameter envelope_diameter74.7
Shell Rg shell_rg28.96
Envelope Rg envelope_rg22.48
Shape Rg shape_rg22.37
Total Rg total_rg23.28
Total atoms total_atoms5412
Residues n_residues353
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 dmax72.8
Rg (real space) rg_real23.74
Rg uncertainty (real space) rg_real_error0.36
I(0) (real space) i0_real2.5770e+07
I(0) uncertainty (real space) i0_real_error3.0120e+05
Rg (reciprocal space) rg_reciprocal23.76
I(0) (reciprocal space) i0_reciprocal25770000.0000
Solution quality estimate total_estimate0.9159
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary27.3
Skewness Skewness skewness0.162
Kurtosis Kurtosis kurtosis-0.621
Angular range angular_range— – 0.3350 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha4910000.0000
Real-space data points n_real_points65
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.972; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.987

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

8. Citations (1)

9. Files and Curves (10)