7aac

Crystal structure of the catalytic domain of human PARP1 in complex with veliparib

Method: X-RAY DIFFRACTION Dmax: 107.1 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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 662–1011 Fragment:catalytic domain (662-1101) 78P (2R)-2-(7-carbamoyl-1H-benzimidazol-2-yl)-2-methylpyrrolidinium × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 8.5;293 K;2.5 M ammonium sulfate, 0.1 M Tris pH 8.5 Resolution 1.59 Å R-free 0.242
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 662–1011 Fragment:catalytic domain (662-1101) 78P (2R)-2-(7-carbamoyl-1H-benzimidazol-2-yl)-2-methylpyrrolidinium × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 8.5;293 K;2.5 M ammonium sulfate, 0.1 M Tris pH 8.5 Resolution 1.59 Å R-free 0.242

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 208 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PARP1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 3–352; UniProt 662–1011 Author chain B; PDBConstruct 3–352; UniProt 662–1011

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 7aac

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id7aac
Deposition date deposition_date2020-09-04
Structure title titleCrystal structure of the catalytic domain of human PARP1 in complex with veliparib
Keywords keywordsPARP inhibitor, PARylation, inhibitor, TRANSFERASE; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier29.98
Radius of gyration Rg (electron density) rg_electron29.50
Forward intensity I(0) i096278600.00
Molecular weight molecular_weight78485.0 kDa
Excluded volume excluded_volume98922 ų
Envelope volume envelope_volume123680 ų
Hydration-shell volume shell_volume35535 ų
Envelope diameter envelope_diameter112.9
Shell Rg shell_rg35.85
Envelope Rg envelope_rg29.69
Shape Rg shape_rg29.46
Total Rg total_rg30.26
Total atoms total_atoms5521
Residues n_residues700
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 dmax107.1
Rg (real space) rg_real30.08
Rg uncertainty (real space) rg_real_error1.13
I(0) (real space) i0_real9.6280e+07
I(0) uncertainty (real space) i0_real_error1.6410e+06
Rg (reciprocal space) rg_reciprocal30.04
I(0) (reciprocal space) i0_reciprocal96280000.0000
Solution quality estimate total_estimate0.8462
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary32.3
Skewness Skewness skewness0.485
Kurtosis Kurtosis kurtosis-0.152
Angular range angular_range— – 0.2650 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha23900000.0000
Real-space data points n_real_points54
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.695; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.924; Smooth: 0.989

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd7aaca1
Class classa — All alpha proteins
Fold Fold folda.41 — Domain of poly(ADP-ribose) polymerase
Superfamily Superfamily superfamilya.41.1 — Domain of poly(ADP-ribose) polymerase
Family Family familya.41.1.0 — automated matches
Domain ID domain_idd7aaca2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.166 — ADP-ribosylation
Superfamily Superfamily superfamilyd.166.1 — ADP-ribosylation
Family Family familyd.166.1.0 — automated matches
Domain ID domain_idd7aacb1
Class classa — All alpha proteins
Fold Fold folda.41 — Domain of poly(ADP-ribose) polymerase
Superfamily Superfamily superfamilya.41.1 — Domain of poly(ADP-ribose) polymerase
Family Family familya.41.1.0 — automated matches
Domain ID domain_idd7aacb2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.166 — ADP-ribosylation
Superfamily Superfamily superfamilyd.166.1 — ADP-ribosylation
Family Family familyd.166.1.0 — automated matches

8. Citations (1)

9. Files and Curves (10)