8JNZ

Human ADP-ribosyltransferase 1 (PARP1) catalytic domain bound to a pyrazolopyrimidine carboxamide inhibitor

• PDB DOI: https://doi.org/10.2210/pdb8JNZ/pdb

• Classification: TRANSFERASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2023-06-06 Released: 2024-06-12 
• Deposition Author(s): Wang, X.Y., Wang, C.Y., Zhou, J., Xu, B.L.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.84 Å
• R-Value Free: 0.278 
• R-Value Work: 0.219 
• R-Value Observed: 0.222 

Literature

Human ADP-ribosyltransferase 1 (PARP1) catalytic domain bound to a pyrazolopyrimidine carboxamide inhibitor

Wang, X.Y., Wang, C.Y., Zhou, J., Xu, B.L.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 79.94 kDa 
• Atom Count: 5,585 
• Modelled Residue Count: 704 
• Deposited Residue Count: 708 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Poly [ADP-ribose] polymerase 1, processed C-terminus	A, B	354	Homo sapiens	Mutation(s): 1  Gene Names: PARP1, ADPRT, PPOL
UniProt & NIH Common Fund Data Resources
Find proteins for P09874 (Homo sapiens) Explore P09874  Go to UniProtKB:  P09874
PHAROS:  P09874 GTEx:  ENSG00000143799

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ERV (Subject of Investigation/LOI)	C [auth A], G [auth B]	6-methylpyrazolo[1,5-a]pyrimidine-3-carboxamide C8 H8 N4 O ZSJDYGZWDYMLDS-UHFFFAOYSA-N
SO4	D [auth A], E [auth A], F [auth A], H [auth B], I [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.84 Å
• R-Value Free: 0.278 
• R-Value Work: 0.219 
• R-Value Observed: 0.222 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 48.516	α = 90
b = 91.815	β = 90
c = 162.941	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
autoPROC	data processing
Aimless	data scaling
MOLREP	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-06-12 
Deposition Author(s): Wang, X.Y., Wang, C.Y., Zhou, J., Xu, B.L.

---

Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	82003657
National Natural Science Foundation of China (NSFC)	China	81673300
National Natural Science Foundation of China (NSFC)	China	82173693

Revision History  

• Version 1.0: 2024-06-12
  Type: Initial release