7a3d

Intertwined dimer of the c-Src SH3 domain mutant T125S

Method: X-RAY DIFFRACTION Dmax: 53.0 Å Quality: REASONABLE

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 Chain B; UniProt 82–141 Mutation:T125S PEG DI(HYDROXYETHYL)ETHER × 2 SO4 SULFATE ION × 1 PGE TRIETHYLENE GLYCOL × 1 GOL GLYCEROL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5;298 K;5% PEG 300, 2 M ammomium sulfate, 0.1M sodium acetate Resolution 2.20 Å R-free 0.221

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 Author chain B; 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 7a3d

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7a3d
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7a3d
Deposition date deposition_date2020-08-18
Structure title titleIntertwined dimer of the c-Src SH3 domain mutant T125S
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_guinier15.63
Radius of gyration Rg (electron density) rg_electron14.83
Forward intensity I(0) i03389240.00
Molecular weight molecular_weight13100.0 kDa
Excluded volume excluded_volume16358 ų
Envelope volume envelope_volume18486 ų
Hydration-shell volume shell_volume11114 ų
Envelope diameter envelope_diameter51.5
Shell Rg shell_rg19.79
Envelope Rg envelope_rg15.14
Shape Rg shape_rg14.74
Total Rg total_rg16.03
Total atoms total_atoms1790
Residues n_residues114
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 dmax53.0
Rg (real space) rg_real15.65
Rg uncertainty (real space) rg_real_error0.30
I(0) (real space) i0_real3.3890e+06
I(0) uncertainty (real space) i0_real_error3.6590e+04
Rg (reciprocal space) rg_reciprocal15.65
I(0) (reciprocal space) i0_reciprocal3389000.0000
Solution quality estimate total_estimate0.6879
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary17.4
Skewness Skewness skewness0.409
Kurtosis Kurtosis kurtosis-0.258
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1033000.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.740; Stabil: 1.000; Sysdev: 0.256; Positv: 1.000; Valcen: 0.955; Smooth: 0.993

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

8. Citations (1)

9. Files and Curves (10)