7a3a

Intertwined dimer of the c-Src SH3 domain mutant V111L-N113S-T114S-Q128E at pH 6.0

Method: X-RAY DIFFRACTION Dmax: 51.4 Å Quality: GOOD

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

Proto-oncogene tyrosine-protein kinase Src

Gallus gallus

UniProt P00523

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 × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 82–141 Mutation:V111L N113S T114S Q128E PGE TRIETHYLENE GLYCOL × 2 PEG DI(HYDROXYETHYL)ETHER × 2 EDO 1,2-ETHANEDIOL × 2 SO4 SULFATE ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6;298 K;1.5M ammonium sulfate, 0.1M MES, 5% PEG300 Resolution 1.80 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.

133 other PDB entries and 236 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SRC_CHICK
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–60; UniProt 82–141

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 7a3a

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7a3a
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7a3a
Deposition date deposition_date2020-08-18
Structure title titleIntertwined dimer of the c-Src SH3 domain mutant V111L-N113S-T114S-Q128E at pH 6.0
Keywords keywordsbeta barrel, SH3 domain, PROTEIN BINDING; PROTEIN BINDING
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier15.70
Radius of gyration Rg (electron density) rg_electron14.68
Forward intensity I(0) i01157860.00
Molecular weight molecular_weight6904.0 kDa
Excluded volume excluded_volume8510 ų
Envelope volume envelope_volume12095 ų
Hydration-shell volume shell_volume7775 ų
Envelope diameter envelope_diameter49.2
Shell Rg shell_rg18.69
Envelope Rg envelope_rg14.57
Shape Rg shape_rg14.58
Total Rg total_rg15.90
Total atoms total_atoms936
Residues n_residues57
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 dmax51.4
Rg (real space) rg_real15.73
Rg uncertainty (real space) rg_real_error0.38
I(0) (real space) i0_real1.1580e+06
I(0) uncertainty (real space) i0_real_error1.4820e+04
Rg (reciprocal space) rg_reciprocal15.72
I(0) (reciprocal space) i0_reciprocal1158000.0000
Solution quality estimate total_estimate0.8779
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary20.2
Skewness Skewness skewness0.264
Kurtosis Kurtosis kurtosis-0.322
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha76450.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.834; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.956; Smooth: 0.952

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

8. Citations (1)

9. Files and Curves (10)