1kzy

Crystal Structure of the 53bp1 BRCT Region Complexed to Tumor Suppressor P53

Method: X-RAY DIFFRACTION Dmax: 99.8 Å Quality: EXCELLENT

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

CELLULAR TUMOR ANTIGEN P53

Homo sapiens

UniProt P04637

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 × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 95–289 Chain B; UniProt 95–289 Fragment:DNA-BINDING CORE DOMAIN TUMOR SUPPRESSOR P53-BINDING PROTEIN 1 × 2 (Q12888) ZN ZINC ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6;277 K;PEG4000, sodium citrate, ammonium acetate, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K Resolution 2.50 Å R-free 0.256

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.

291 other PDB entries and 462 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name P53_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–195; UniProt 95–289 Author chain B; PDBConstruct 1–195; UniProt 95–289

TUMOR SUPPRESSOR P53-BINDING PROTEIN 1

Homo sapiens

UniProt Q12888

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 × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain C; UniProt 1714–1972 Chain D; UniProt 1714–1972 Fragment:TANDEM-BRCT DOMAIN CELLULAR TUMOR ANTIGEN P53 × 2 (P04637) ZN ZINC ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6;277 K;PEG4000, sodium citrate, ammonium acetate, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K Resolution 2.50 Å R-free 0.256

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.

34 other PDB entries and 68 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TP53B_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain C; PDBConstruct 1–259; UniProt 1714–1972 Author chain D; PDBConstruct 1–259; UniProt 1714–1972

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 1kzy

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1kzy
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id1kzy
Deposition date deposition_date2002-02-08
Structure title titleCrystal Structure of the 53bp1 BRCT Region Complexed to Tumor Suppressor P53
Keywords keywords;TANDEM-BRCT AND LINKER COMPLEXED WITH NON-BRCT PROTEIN, THREE-HELIX BUNDLE, PARALLEL BETA SHEET, DNA BINDING PROTEIN, PROTEIN BINDING ;; DNA BINDING PROTEIN, PROTEIN BINDING
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier32.48
Radius of gyration Rg (electron density) rg_electron31.90
Forward intensity I(0) i0155596000.00
Molecular weight molecular_weight96595.0 kDa
Excluded volume excluded_volume119690 ų
Envelope volume envelope_volume157450 ų
Hydration-shell volume shell_volume41122 ų
Envelope diameter envelope_diameter108.6
Shell Rg shell_rg38.95
Envelope Rg envelope_rg31.42
Shape Rg shape_rg31.92
Total Rg total_rg32.42
Total atoms total_atoms6770
Residues n_residues854
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 dmax99.8
Rg (real space) rg_real32.33
Rg uncertainty (real space) rg_real_error0.58
I(0) (real space) i0_real1.5560e+08
I(0) uncertainty (real space) i0_real_error2.4160e+06
Rg (reciprocal space) rg_reciprocal32.40
I(0) (reciprocal space) i0_reciprocal155600000.0000
Solution quality estimate total_estimate0.9011
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary44.8
Skewness Skewness skewness0.171
Kurtosis Kurtosis kurtosis-0.446
Angular range angular_range— – 0.2450 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha26240000.0000
Real-space data points n_real_points50
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.952; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.996; Smooth: 0.858

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (6 domains)

Domain ID domain_idd1kzya_
Class classb — All beta proteins
Fold Fold foldb.2 — Common fold of diphtheria toxin/transcription factors/cytochrome f
Superfamily Superfamily superfamilyb.2.5 — p53-like transcription factors
Family Family familyb.2.5.2 — p53 DNA-binding domain-like
Domain ID domain_idd1kzyb_
Class classb — All beta proteins
Fold Fold foldb.2 — Common fold of diphtheria toxin/transcription factors/cytochrome f
Superfamily Superfamily superfamilyb.2.5 — p53-like transcription factors
Family Family familyb.2.5.2 — p53 DNA-binding domain-like
Domain ID domain_idd1kzyc1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.15 — BRCT domain
Superfamily Superfamily superfamilyc.15.1 — BRCT domain
Family Family familyc.15.1.4 — 53BP1
Domain ID domain_idd1kzyc2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.15 — BRCT domain
Superfamily Superfamily superfamilyc.15.1 — BRCT domain
Family Family familyc.15.1.4 — 53BP1
Domain ID domain_idd1kzyd1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.15 — BRCT domain
Superfamily Superfamily superfamilyc.15.1 — BRCT domain
Family Family familyc.15.1.4 — 53BP1
Domain ID domain_idd1kzyd2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.15 — BRCT domain
Superfamily Superfamily superfamilyc.15.1 — BRCT domain
Family Family familyc.15.1.4 — 53BP1

CATH v4.4 (6 domains)

Domain ID domain_id1kzyA00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily720
Domain ID domain_id1kzyB00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily720
Domain ID domain_id1kzyC01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily10190 — BRCT domain
Domain ID domain_id1kzyC02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily10190 — BRCT domain
Domain ID domain_id1kzyD01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily10190 — BRCT domain
Domain ID domain_id1kzyD02
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)