8CHT

Crystal structure of human PURA (fragment Glu57-Glu212, PUR repeat I and II)

• PDB DOI: https://doi.org/10.2210/pdb8CHT/pdb

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


• Deposited: 2023-02-08 Released: 2024-02-21 
• Deposition Author(s): Janowski, R., Niessing, D.
• Funding Organization(s): German Research Foundation (DFG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.95 Å
• R-Value Free: 0.231 
• R-Value Work: 0.174 
• R-Value Observed: 0.177 

Literature

PURA Syndrome-causing mutations impair PUR-domain integrity and affect P-body association

Janowski, R., Niessing, D.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Biological Assembly 3  

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

Biological assembly 3 assigned by authors.

Biological Assembly 4  

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

Biological assembly 4 assigned by authors.

Macromolecule Content

• Total Structure Weight: 71.21 kDa 
• Atom Count: 4,989 
• Modelled Residue Count: 573 
• Deposited Residue Count: 624 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Transcriptional activator protein Pur-alpha	A, B, C, D	156	Homo sapiens	Mutation(s): 0  Gene Names: PURA, PUR1
UniProt & NIH Common Fund Data Resources
Find proteins for Q00577 (Homo sapiens) Explore Q00577  Go to UniProtKB:  Q00577
PHAROS:  Q00577 GTEx:  ENSG00000185129

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
EDO	G [auth C]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N
ACT	E [auth A], F [auth B], H [auth D]	ACETATE ION C2 H3 O2 QTBSBXVTEAMEQO-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.95 Å
• R-Value Free: 0.231 
• R-Value Work: 0.174 
• R-Value Observed: 0.177 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 64.92	α = 90
b = 58.14	β = 100.65
c = 81.94	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
SCALA	data scaling
MOLREP	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-02-21 
Deposition Author(s): Janowski, R., Niessing, D.

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Funding Organization	Location	Grant Number
German Research Foundation (DFG)	Germany	--

Revision History  

• Version 1.0: 2024-02-21
  Type: Initial release