4u4a

Complex Structure of BRCA1 BRCT with singly phospho Abraxas

Method: X-RAY DIFFRACTION Dmax: 102.2 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 (UNP RESIDUES 1646-1859) BRCA1-A complex subunit Abraxas × 1 (Q6UWZ7) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.5;295 K;0.01M Cobalt Chloride, 0.1 M(MES), pH 6.5, 30% PEG Mono Methyl Ether (MME) 5000 Resolution 3.51 Å R-free 0.362
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 1646–1859 Fragment:BRCT (UNP RESIDUES 1646-1859) BRCA1-A complex subunit Abraxas × 1 (Q6UWZ7) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.5;295 K;0.01M Cobalt Chloride, 0.1 M(MES), pH 6.5, 30% PEG Mono Methyl Ether (MME) 5000 Resolution 3.51 Å R-free 0.362
3 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 1646–1859 Fragment:BRCT (UNP RESIDUES 1646-1859) BRCA1-A complex subunit Abraxas × 1 (Q6UWZ7) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.5;295 K;0.01M Cobalt Chloride, 0.1 M(MES), pH 6.5, 30% PEG Mono Methyl Ether (MME) 5000 Resolution 3.51 Å R-free 0.362

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 68 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

BRCA1-A complex subunit Abraxas

OrganismNot specified

UniProt Q6UWZ7

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 D; UniProt 399–409 Fragment:UNP RESIDUES 399-409 Non-standard monomer:Yes (specific site not provided by mmCIF) Breast cancer type 1 susceptibility protein × 1 (P38398) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.5;295 K;0.01M Cobalt Chloride, 0.1 M(MES), pH 6.5, 30% PEG Mono Methyl Ether (MME) 5000 Resolution 3.51 Å R-free 0.362
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain E; UniProt 399–409 Fragment:UNP RESIDUES 399-409 Non-standard monomer:Yes (specific site not provided by mmCIF) Breast cancer type 1 susceptibility protein × 1 (P38398) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.5;295 K;0.01M Cobalt Chloride, 0.1 M(MES), pH 6.5, 30% PEG Mono Methyl Ether (MME) 5000 Resolution 3.51 Å R-free 0.362
3 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain F; UniProt 399–409 Fragment:UNP RESIDUES 399-409 Non-standard monomer:Yes (specific site not provided by mmCIF) Breast cancer type 1 susceptibility protein × 1 (P38398) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.5;295 K;0.01M Cobalt Chloride, 0.1 M(MES), pH 6.5, 30% PEG Mono Methyl Ether (MME) 5000 Resolution 3.51 Å R-free 0.362

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.

3 other PDB entries and 14 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name F175A_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain D; PDBConstruct 1–11; UniProt 399–409 Author chain E; PDBConstruct 1–11; UniProt 399–409 Author chain F; PDBConstruct 1–11; UniProt 399–409

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 4u4a

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4u4a
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4u4a
Deposition date deposition_date2014-07-23
Structure title titleComplex Structure of BRCA1 BRCT with singly phospho Abraxas
Keywords keywordscomplex, phosphospecific, ANTITUMOR PROTEIN-SIGNALING PROTEIN complex; ANTITUMOR PROTEIN/SIGNALING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier32.45
Radius of gyration Rg (electron density) rg_electron32.10
Forward intensity I(0) i090958500.00
Molecular weight molecular_weight75948.0 kDa
Excluded volume excluded_volume95171 ų
Envelope volume envelope_volume126510 ų
Hydration-shell volume shell_volume33481 ų
Envelope diameter envelope_diameter106.8
Shell Rg shell_rg38.19
Envelope Rg envelope_rg31.71
Shape Rg shape_rg32.09
Total Rg total_rg32.68
Total atoms total_atoms5332
Residues n_residues664
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 dmax102.2
Rg (real space) rg_real32.47
Rg uncertainty (real space) rg_real_error0.75
I(0) (real space) i0_real9.0960e+07
I(0) uncertainty (real space) i0_real_error1.4730e+06
Rg (reciprocal space) rg_reciprocal32.47
I(0) (reciprocal space) i0_reciprocal90960000.0000
Solution quality estimate total_estimate0.8989
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks0
Primary peak position r_peak_primary
Skewness Skewness skewness0.235
Kurtosis Kurtosis kurtosis-0.671
Angular range angular_range— – 0.2450 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha26910000.0000
Real-space data points n_real_points50
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.957; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.962; Smooth: 0.849

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 6 domains

CATH v4.4 (6 domains)

Domain ID domain_id4u4aA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily10190 — BRCT domain
Domain ID domain_id4u4aA02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily10190 — BRCT domain
Domain ID domain_id4u4aB01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily10190 — BRCT domain
Domain ID domain_id4u4aB02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily10190 — BRCT domain
Domain ID domain_id4u4aC01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily10190 — BRCT domain
Domain ID domain_id4u4aC02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily10190 — BRCT domain

8. Citations (1)

9. Files and Curves (10)