3QIR

Crystal structure of PIWIL2 PAZ domain

• PDB DOI: https://doi.org/10.2210/pdb3QIR/pdb

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


• Deposited: 2011-01-27 Released: 2011-02-16 
• Deposition Author(s): Dong, A., Xu, C., Bian, C., Wernimont, A.K., Kania, J., Arrowsmith, C.H., Edwards, A.M., Bountra, C., Weigelt, J., Min, J., Structural Genomics Consortium (SGC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.45 Å
• R-Value Free: 0.272 
• R-Value Work: 0.242 
• R-Value Observed: 0.243 

Literature

Crystal structure of PIWIL2 PAZ domain

Xu, C., Dong, A., Bian, C., Wernimont, A.K., Kania, J., Arrowsmith, C.H., Edwards, A.M., Bountra, C., Weigelt, J., Min, J.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Biological Assembly 3  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 3 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 69.7 kDa 
• Atom Count: 3,290 
• Modelled Residue Count: 436 
• Deposited Residue Count: 592 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Piwi-like protein 2	A, B, C, D	148	Homo sapiens	Mutation(s): 0  Gene Names: PIWIL2, HILI
UniProt & NIH Common Fund Data Resources
Find proteins for Q8TC59 (Homo sapiens) Explore Q8TC59  Go to UniProtKB:  Q8TC59
PHAROS:  Q8TC59 GTEx:  ENSG00000197181

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.45 Å
• R-Value Free: 0.272 
• R-Value Work: 0.242 
• R-Value Observed: 0.243 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 41.548	α = 90
b = 139.291	β = 90
c = 224.934	γ = 90

Software Package:

Software Name	Purpose
HKL-3000	data collection
PHASER	phasing
BUSTER	refinement
Coot	model building
HKL-3000	data reduction
HKL-3000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-02-16 
Deposition Author(s): Dong, A., Xu, C., Bian, C., Wernimont, A.K., Kania, J., Arrowsmith, C.H., Edwards, A.M., Bountra, C., Weigelt, J., Min, J., Structural Genomics Consortium (SGC)

Revision History  

• Version 1.0: 2011-02-16
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2024-02-21
  Changes: Data collection, Database references