1t15

Crystal Structure of the Brca1 BRCT Domains in Complex with the Phosphorylated Interacting Region from Bach1 Helicase

Method: X-RAY DIFFRACTION Dmax: 71.3 Å Quality: REASONABLE

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 1649–1859 Fragment:BCRT 1, BCRT 2 BRCA1 interacting protein C-terminal helicase 1 × 1 X-RAY DIFFRACTION X-ray crystallization conditions:MICROBATCH;pH 6.5;291 K;PEG 8000, Ammonium Sulphate, MES, pH 6.5, Microbatch, temperature 291K Resolution 1.85 Å R-free 0.222

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 70 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 4–214; UniProt 1649–1859

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 1t15

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1t15
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1t15
Deposition date deposition_date2004-04-15
Structure title titleCrystal Structure of the Brca1 BRCT Domains in Complex with the Phosphorylated Interacting Region from Bach1 Helicase
Keywords keywordsProtein-Peptide Complex, ANTITUMOR PROTEIN; ANTITUMOR PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier19.59
Radius of gyration Rg (electron density) rg_electron18.90
Forward intensity I(0) i011218200.00
Molecular weight molecular_weight24939.0 kDa
Excluded volume excluded_volume31244 ų
Envelope volume envelope_volume36321 ų
Hydration-shell volume shell_volume16777 ų
Envelope diameter envelope_diameter73.7
Shell Rg shell_rg24.60
Envelope Rg envelope_rg19.54
Shape Rg shape_rg18.90
Total Rg total_rg19.80
Total atoms total_atoms1750
Residues n_residues218
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 dmax71.3
Rg (real space) rg_real19.69
Rg uncertainty (real space) rg_real_error0.64
I(0) (real space) i0_real1.1220e+07
I(0) uncertainty (real space) i0_real_error1.4720e+05
Rg (reciprocal space) rg_reciprocal19.67
I(0) (reciprocal space) i0_reciprocal11220000.0000
Solution quality estimate total_estimate0.7375
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary21.1
Skewness Skewness skewness0.550
Kurtosis Kurtosis kurtosis0.046
Angular range angular_range— – 0.4050 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha4107000.0000
Real-space data points n_real_points72
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.590; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.815; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1t15a1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.15 — BRCT domain
Superfamily Superfamily superfamilyc.15.1 — BRCT domain
Family Family familyc.15.1.3 — BRCT domain
Domain ID domain_idd1t15a2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.15 — BRCT domain
Superfamily Superfamily superfamilyc.15.1 — BRCT domain
Family Family familyc.15.1.3 — BRCT domain

CATH v4.4 (2 domains)

Domain ID domain_id1t15A01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily10190 — BRCT domain
Domain ID domain_id1t15A02
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)