3pxe

Impact of BRCA1 BRCT domain missense substitutions on phospho-peptide recognition: E1836K

Method: X-RAY DIFFRACTION Dmax: 126.0 Å Quality: GOOD

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

Breast cancer type 1 susceptibility protein

Homo sapiens

UniProt P38398

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 A; UniProt 1646–1859 Fragment:BRCT domain, UNP residues 1646-1859 Mutation:E1836K phospho peptide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.5;293 K;50mM MES 0.15M (NH4)2SO4 26% PEG 8000, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.85 Å R-free 0.266
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 1646–1859 Fragment:BRCT domain, UNP residues 1646-1859 Mutation:E1836K phospho peptide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.5;293 K;50mM MES 0.15M (NH4)2SO4 26% PEG 8000, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.85 Å R-free 0.266
3 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 1646–1859 Fragment:BRCT domain, UNP residues 1646-1859 Mutation:E1836K phospho peptide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.5;293 K;50mM MES 0.15M (NH4)2SO4 26% PEG 8000, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.85 Å R-free 0.266
4 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain D; UniProt 1646–1859 Fragment:BRCT domain, UNP residues 1646-1859 Mutation:E1836K phospho peptide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.5;293 K;50mM MES 0.15M (NH4)2SO4 26% PEG 8000, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.85 Å R-free 0.266

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.

31 other PDB entries and 67 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name BRCA1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–214; UniProt 1646–1859 Author chain B; PDBConstruct 1–214; UniProt 1646–1859 Author chain C; PDBConstruct 1–214; UniProt 1646–1859 Author chain D; PDBConstruct 1–214; UniProt 1646–1859

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 3pxe

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id3pxe
Deposition date deposition_date2010-12-09
Structure title titleImpact of BRCA1 BRCT domain missense substitutions on phospho-peptide recognition: E1836K
Keywords keywordsBRCA1 protein, Missense, Protein binding, phosphopeptide recognition, BRCT domain, Phospho-peptide binding, nuclear protein; PROTEIN BINDING
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier38.49
Radius of gyration Rg (electron density) rg_electron38.64
Forward intensity I(0) i0142465000.00
Molecular weight molecular_weight97087.0 kDa
Excluded volume excluded_volume121590 ų
Envelope volume envelope_volume170590 ų
Hydration-shell volume shell_volume38781 ų
Envelope diameter envelope_diameter130.6
Shell Rg shell_rg42.24
Envelope Rg envelope_rg37.80
Shape Rg shape_rg38.63
Total Rg total_rg38.91
Total atoms total_atoms6815
Residues n_residues861
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 dmax126.0
Rg (real space) rg_real38.62
Rg uncertainty (real space) rg_real_error1.10
I(0) (real space) i0_real1.4250e+08
I(0) uncertainty (real space) i0_real_error2.6290e+06
Rg (reciprocal space) rg_reciprocal38.55
I(0) (reciprocal space) i0_reciprocal142500000.0000
Solution quality estimate total_estimate0.8808
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary46.1
Skewness Skewness skewness0.283
Kurtosis Kurtosis kurtosis-0.643
Angular range angular_range— – 0.2050 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha10780000.0000
Real-space data points n_real_points42
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.917; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.905; Smooth: 0.790

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 8 domains

CATH v4.4 (8 domains)

Domain ID domain_id3pxeA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily10190 — BRCT domain
Domain ID domain_id3pxeA02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily10190 — BRCT domain
Domain ID domain_id3pxeB01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily10190 — BRCT domain
Domain ID domain_id3pxeB02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily10190 — BRCT domain
Domain ID domain_id3pxeC01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily10190 — BRCT domain
Domain ID domain_id3pxeC02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily10190 — BRCT domain
Domain ID domain_id3pxeD01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily10190 — BRCT domain
Domain ID domain_id3pxeD02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily10190 — BRCT domain

8. Citations (5)

9. Files and Curves (10)