7s68

Structure of human PARP1 domains (Zn1, Zn3, WGR and HD) bound to a DNA double strand break.

Method: X-RAY DIFFRACTION Dmax: 89.5 Å Quality: GOOD

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

Poly [ADP-ribose] polymerase 1

Homo sapiens

UniProt P09874

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–DNA Homooligomer Protein × 2 DNA 2 PDB declaration: tetrameric(4) Consistent with all polymer counts Chain A; UniProt 1–95 Chain A; UniProt 206–366 Chain B; UniProt 527–786 Not recorded ;DNA (5'-D(*GP*CP*CP*TP*GP*CP*AP*GP*GP*C)-3') ; × 2 ZN ZINC ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;PEG 8000, ethylene glycol, HEPES pH 7.5 Resolution 3.30 Å R-free 0.292

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.

104 other PDB entries and 209 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PARP1_HUMAN
Isoform
PDB entities 2, 3
Chains and sequence ranges Author chain B; PDBConstruct 21–266; UniProt 527–786 Author chain A; PDBConstruct 21–115; UniProt 1–95 Author chain A; PDBConstruct 116–276; UniProt 206–366

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 7s68

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7s68
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7s68
Deposition date deposition_date2021-09-13
Structure title titleStructure of human PARP1 domains (Zn1, Zn3, WGR and HD) bound to a DNA double strand break.
Keywords keywordsPARP, ADP-ribose transferase, DNA break detection, zinc finger, DNA BINDING PROTEIN, DNA BINDING PROTEIN-DNA complex; DNA BINDING PROTEIN/DNA
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier26.90
Radius of gyration Rg (electron density) rg_electron26.33
Forward intensity I(0) i058219700.00
Molecular weight molecular_weight55022.0 kDa
Excluded volume excluded_volume67108 ų
Envelope volume envelope_volume92222 ų
Hydration-shell volume shell_volume29481 ų
Envelope diameter envelope_diameter94.3
Shell Rg shell_rg33.26
Envelope Rg envelope_rg26.45
Shape Rg shape_rg26.32
Total Rg total_rg27.11
Total atoms total_atoms7428
Residues n_residues454
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 dmax89.5
Rg (real space) rg_real26.84
Rg uncertainty (real space) rg_real_error0.60
I(0) (real space) i0_real5.8220e+07
I(0) uncertainty (real space) i0_real_error8.0880e+05
Rg (reciprocal space) rg_reciprocal26.86
I(0) (reciprocal space) i0_reciprocal58220000.0000
Solution quality estimate total_estimate0.8890
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary33.4
Skewness Skewness skewness0.285
Kurtosis Kurtosis kurtosis-0.295
Angular range angular_range— – 0.2950 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha5022000.0000
Real-space data points n_real_points60
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.856; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.992; Smooth: 0.991

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (1)

9. Files and Curves (10)