1t2v

Structural basis of phospho-peptide recognition by the BRCT domain of BRCA1, structure with phosphopeptide

Method: X-RAY DIFFRACTION Dmax: 121.8 Å Quality: EXCELLENT

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 1646-1859 BRCTide-7PS × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 5.6;298 K;PEG 4000 ammonium acetate, tri-sodium citrate, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K, pH 5.60 Resolution 3.30 Å R-free 0.301
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 1646–1859 Fragment:BRCT DOMAIN 1646-1859 BRCTide-7PS × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 5.6;298 K;PEG 4000 ammonium acetate, tri-sodium citrate, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K, pH 5.60 Resolution 3.30 Å R-free 0.301
3 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 1646–1859 Fragment:BRCT DOMAIN 1646-1859 BRCTide-7PS × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 5.6;298 K;PEG 4000 ammonium acetate, tri-sodium citrate, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K, pH 5.60 Resolution 3.30 Å R-free 0.301
4 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain D; UniProt 1646–1859 Fragment:BRCT DOMAIN 1646-1859 BRCTide-7PS × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 5.6;298 K;PEG 4000 ammonium acetate, tri-sodium citrate, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K, pH 5.60 Resolution 3.30 Å R-free 0.301
5 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain E; UniProt 1646–1859 Fragment:BRCT DOMAIN 1646-1859 BRCTide-7PS × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 5.6;298 K;PEG 4000 ammonium acetate, tri-sodium citrate, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K, pH 5.60 Resolution 3.30 Å R-free 0.301
6 Protein heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 1646–1859 Chain D; UniProt 1646–1859 Fragment:BRCT DOMAIN 1646-1859 BRCTide-7PS × 2 X-RAY DIFFRACTION X-ray crystallization conditions:pH 5.6;298 K;PEG 4000 ammonium acetate, tri-sodium citrate, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K, pH 5.60 Resolution 3.30 Å R-free 0.301
7 Protein heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain E; UniProt 1646–1859 Fragment:BRCT DOMAIN 1646-1859 BRCTide-7PS × 2 X-RAY DIFFRACTION X-ray crystallization conditions:pH 5.6;298 K;PEG 4000 ammonium acetate, tri-sodium citrate, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K, pH 5.60 Resolution 3.30 Å R-free 0.301

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 64 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 Author chain E; 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 1t2v

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1t2v
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1t2v
Deposition date deposition_date2004-04-22
Structure title titleStructural basis of phospho-peptide recognition by the BRCT domain of BRCA1, structure with phosphopeptide
Keywords keywordsBRCT, BRCA1, breast cancer, cell signaling, missense mutation, phosphopeptide, 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_guinier38.97
Radius of gyration Rg (electron density) rg_electron38.60
Forward intensity I(0) i0211878000.00
Molecular weight molecular_weight119170.0 kDa
Excluded volume excluded_volume149350 ų
Envelope volume envelope_volume211350 ų
Hydration-shell volume shell_volume47004 ų
Envelope diameter envelope_diameter123.7
Shell Rg shell_rg43.32
Envelope Rg envelope_rg37.60
Shape Rg shape_rg38.62
Total Rg total_rg38.85
Total atoms total_atoms8380
Residues n_residues1096
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 dmax121.8
Rg (real space) rg_real38.87
Rg uncertainty (real space) rg_real_error0.90
I(0) (real space) i0_real2.1190e+08
I(0) uncertainty (real space) i0_real_error3.5970e+06
Rg (reciprocal space) rg_reciprocal38.94
I(0) (reciprocal space) i0_reciprocal211900000.0000
Solution quality estimate total_estimate0.9038
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary47.5
Skewness Skewness skewness0.146
Kurtosis Kurtosis kurtosis-0.685
Angular range angular_range— – 0.2050 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha11030000.0000
Real-space data points n_real_points42
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.960; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.998; Smooth: 0.867

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 20 domains

SCOP 2.08 (10 domains)

Domain ID domain_idd1t2va1
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_idd1t2va2
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_idd1t2vb1
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_idd1t2vb2
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_idd1t2vc1
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_idd1t2vc2
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_idd1t2vd1
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_idd1t2vd2
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_idd1t2ve1
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_idd1t2ve2
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 (10 domains)

Domain ID domain_id1t2vA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily10190 — BRCT domain
Domain ID domain_id1t2vA02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily10190 — BRCT domain
Domain ID domain_id1t2vB01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily10190 — BRCT domain
Domain ID domain_id1t2vB02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily10190 — BRCT domain
Domain ID domain_id1t2vC01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily10190 — BRCT domain
Domain ID domain_id1t2vC02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily10190 — BRCT domain
Domain ID domain_id1t2vD01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily10190 — BRCT domain
Domain ID domain_id1t2vD02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily10190 — BRCT domain
Domain ID domain_id1t2vE01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily10190 — BRCT domain
Domain ID domain_id1t2vE02
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)