2ing

X-ray Structure of the BRCA1 BRCT mutant M1775K

Method: X-RAY DIFFRACTION Dmax: 72.1 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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain X; UniProt 1649–1859 Fragment:BRCT1, BRCT2 Mutation:M1775K CO COBALT (II) ION × 1 SO4 SULFATE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.7;291 K;1.4M Ammonium sulfate, 20mM Cobalt chloride, 100mM 2-(N-Morpholino) ethanesulfonic acid, pH 6.7, VAPOR DIFFUSION, SITTING DROP, temperature 291K Resolution 3.60 Å R-free 0.302
2 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain X; UniProt 1649–1859 Fragment:BRCT1, BRCT2 Mutation:M1775K CO COBALT (II) ION × 2 SO4 SULFATE ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.7;291 K;1.4M Ammonium sulfate, 20mM Cobalt chloride, 100mM 2-(N-Morpholino) ethanesulfonic acid, pH 6.7, VAPOR DIFFUSION, SITTING DROP, temperature 291K Resolution 3.60 Å R-free 0.302

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 69 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 X; PDBConstruct 3–213; 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 2ing

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2ing
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2ing
Deposition date deposition_date2006-10-07
Structure title titleX-ray Structure of the BRCA1 BRCT mutant M1775K
Keywords keywordsZinc-finger, DNA-binding, DNA repair, Disease mutation, Phosphorylation, DNA BINDING PROTEIN; DNA BINDING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier19.82
Radius of gyration Rg (electron density) rg_electron19.15
Forward intensity I(0) i010622900.00
Molecular weight molecular_weight24035.0 kDa
Excluded volume excluded_volume30036 ų
Envelope volume envelope_volume35062 ų
Hydration-shell volume shell_volume16251 ų
Envelope diameter envelope_diameter74.2
Shell Rg shell_rg24.38
Envelope Rg envelope_rg19.55
Shape Rg shape_rg19.14
Total Rg total_rg20.02
Total atoms total_atoms1682
Residues n_residues208
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 dmax72.1
Rg (real space) rg_real19.93
Rg uncertainty (real space) rg_real_error0.59
I(0) (real space) i0_real1.0620e+07
I(0) uncertainty (real space) i0_real_error1.4400e+05
Rg (reciprocal space) rg_reciprocal19.91
I(0) (reciprocal space) i0_reciprocal10620000.0000
Solution quality estimate total_estimate0.7392
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary21.3
Skewness Skewness skewness0.534
Kurtosis Kurtosis kurtosis-0.026
Angular range angular_range— – 0.4000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3394000.0000
Real-space data points n_real_points72
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.606; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.786; 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_idd2ingx1
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_idd2ingx2
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_id2ingX01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily10190 — BRCT domain
Domain ID domain_id2ingX02
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)