7asy

Transmembrane helix of tumor necrosis factor alpha in trifluorethanol

Method: SOLUTION NMR Dmax: 61.2 Å Quality: REASONABLE

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

Tumor necrosis factor

OrganismNot specified

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 28–60 Not recorded No other associated polymer SOLUTION NMR NMR measurement conditions:pH 6.5;303 K;Ionic strength (raw mmCIF value) 0;Pressure 1 NMR sample composition:0.5 mM TNFA_WT_TM, trifluoroethanol/water | trifluoroethanol/water Resolution not provided

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 98 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TNFA_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–33; UniProt 28–60

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 7asy

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id7asy
Deposition date deposition_date2020-10-28
Structure title titleTransmembrane helix of tumor necrosis factor alpha in trifluorethanol
Keywords keywordsTransmembrane domain, helix, Trifluorethanol, MEMBRANE PROTEIN; MEMBRANE PROTEIN
Experimental Method methodSOLUTION NMR

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

Radius of gyration Rg (Guinier) rg_guinier15.73
Radius of gyration Rg (electron density) rg_electron15.45
Forward intensity I(0) i060687000.00
Molecular weight molecular_weight74011.0 kDa
Excluded volume excluded_volume96453 ų
Envelope volume envelope_volume19830 ų
Hydration-shell volume shell_volume9401 ų
Envelope diameter envelope_diameter64.0
Shell Rg shell_rg23.58
Envelope Rg envelope_rg20.24
Shape Rg shape_rg15.38
Total Rg total_rg16.11
Total atoms total_atoms10800
Residues n_residues660
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 dmax61.2
Rg (real space) rg_real16.22
Rg uncertainty (real space) rg_real_error0.92
I(0) (real space) i0_real6.0690e+07
I(0) uncertainty (real space) i0_real_error8.8810e+05
Rg (reciprocal space) rg_reciprocal16.17
I(0) (reciprocal space) i0_reciprocal60690000.0000
Solution quality estimate total_estimate0.5414
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks6
Primary peak position r_peak_primary5.4
Skewness Skewness skewness0.570
Kurtosis Kurtosis kurtosis-0.490
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha7567.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.007; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.014; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (1)

8. Citations (1)

9. Files and Curves (10)