3eg1

Crystal structure of the N114Q mutant of ABL-SH3 domain complexed with a designed high-affinity peptide ligand: implications for SH3-ligand interactions

Method: X-RAY DIFFRACTION Dmax: 57.5 Å Quality: GOOD

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

Proto-oncogene tyrosine-protein kinase ABL1

Homo sapiens

UniProt P00519

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 × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 60–121 Chain B; UniProt 60–121 Fragment:SH3 DOMAIN, RESIDUES 60-121 Mutation:N114Q p41 peptide × 2 SO4 SULFATE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 3.5;288 K;2M ammonium sulphate, 0.4 M NaCl, 0.1 M sodium citrate, 10% glycerol, pH 3.5, vapor diffusion, hanging drop, temperature 288K Resolution 1.85 Å R-free 0.248
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 60–121 Fragment:SH3 DOMAIN, RESIDUES 60-121 Mutation:N114Q p41 peptide × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 3.5;288 K;2M ammonium sulphate, 0.4 M NaCl, 0.1 M sodium citrate, 10% glycerol, pH 3.5, vapor diffusion, hanging drop, temperature 288K Resolution 1.85 Å R-free 0.248
3 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 60–121 Fragment:SH3 DOMAIN, RESIDUES 60-121 Mutation:N114Q p41 peptide × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 3.5;288 K;2M ammonium sulphate, 0.4 M NaCl, 0.1 M sodium citrate, 10% glycerol, pH 3.5, vapor diffusion, hanging drop, temperature 288K Resolution 1.85 Å R-free 0.248

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.

80 other PDB entries and 154 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ABL1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 2–63; UniProt 60–121 Author chain B; PDBConstruct 2–63; UniProt 60–121

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 3eg1

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3eg1
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3eg1
Deposition date deposition_date2008-09-10
Structure title titleCrystal structure of the N114Q mutant of ABL-SH3 domain complexed with a designed high-affinity peptide ligand: implications for SH3-ligand interactions
Keywords keywords;beta, SH3 domain, ATP-binding, Cell adhesion, Cytoskeleton, Kinase, Lipoprotein, Magnesium, Manganese, Metal-binding, Myristate, Nucleotide-binding, Nucleus, Phosphoprotein, Proto-oncogene, SH2 domain, Transferase, Tyrosine-protein kinase, SIGNALING PROTEIN, Transferase-Signaling protein COMPLEX ;; Transferase/Signaling protein
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier15.79
Radius of gyration Rg (electron density) rg_electron15.16
Forward intensity I(0) i04475640.00
Molecular weight molecular_weight14941.0 kDa
Excluded volume excluded_volume18583 ų
Envelope volume envelope_volume20974 ų
Hydration-shell volume shell_volume12062 ų
Envelope diameter envelope_diameter55.6
Shell Rg shell_rg20.33
Envelope Rg envelope_rg15.51
Shape Rg shape_rg15.15
Total Rg total_rg16.20
Total atoms total_atoms1055
Residues n_residues134
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 dmax57.5
Rg (real space) rg_real15.77
Rg uncertainty (real space) rg_real_error0.44
I(0) (real space) i0_real4.4760e+06
I(0) uncertainty (real space) i0_real_error5.8540e+04
Rg (reciprocal space) rg_reciprocal15.77
I(0) (reciprocal space) i0_reciprocal4476000.0000
Solution quality estimate total_estimate0.8253
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary19.6
Skewness Skewness skewness0.357
Kurtosis Kurtosis kurtosis-0.176
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1516000.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.624; Stabil: 0.998; Sysdev: 1.000; Positv: 1.000; Valcen: 0.879; Smooth: 0.980

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id3eg1A00
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology30 — SH3 type barrels.
Homologous superfamily homologous superfamily40 — SH3 Domains
Domain ID domain_id3eg1B00
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology30 — SH3 type barrels.
Homologous superfamily homologous superfamily40 — SH3 Domains

8. Citations (2)

9. Files and Curves (10)