5AIL

Human PARP9 2nd macrodomain

• PDB DOI: https://doi.org/10.2210/pdb5AIL/pdb

• Classification: TRANSCRIPTION
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2015-02-15 Released: 2015-02-25 
• Deposition Author(s): Sieg, C., Shrestha, L., Talon, R., Sorrell, F., Williams, E., von Delft, F., Bountra, C., Arrowsmith, C., Edwards, A.M., Knapp, S., Elkins, J.M.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.55 Å
• R-Value Free: 0.215 
• R-Value Work: 0.169 
• R-Value Observed: 0.171 

Literature

Structure of Parp9 2Nd Macrodomain

Elkins, J.M.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 47.49 kDa 
• Atom Count: 3,403 
• Modelled Residue Count: 362 
• Deposited Residue Count: 372 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
POLY [ADP-RIBOSE] POLYMERASE 9	A, B	186	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for Q8IXQ6 (Homo sapiens) Explore Q8IXQ6  Go to UniProtKB:  Q8IXQ6
PHAROS:  Q8IXQ6 GTEx:  ENSG00000138496

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
15P	E [auth A], F [auth A], L [auth B]	POLYETHYLENE GLYCOL (N=34) C69 H140 O35 VUYXVWGKCKTUMF-UHFFFAOYSA-N
PO4	G [auth A], M [auth B], N [auth B]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K
EDO	C [auth A], D [auth A], H [auth B], I [auth B], J [auth B], K [auth B]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.55 Å
• R-Value Free: 0.215 
• R-Value Work: 0.169 
• R-Value Observed: 0.171 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 58.489	α = 90
b = 74.01	β = 90
c = 94.369	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
Aimless	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2015-02-25 
Deposition Author(s): Sieg, C., Shrestha, L., Talon, R., Sorrell, F., Williams, E., von Delft, F., Bountra, C., Arrowsmith, C., Edwards, A.M., Knapp, S., Elkins, J.M.

Revision History  

• Version 1.0: 2015-02-25
  Type: Initial release
  
• Version 1.1: 2017-09-13
  Changes: Data collection
• Version 1.2: 2024-01-10
  Changes: Data collection, Database references, Derived calculations, Other, Refinement description