5J97

Dimerization domain of cytoplasmic activation/proliferation-associated protein-2 (caprin-2)

• PDB DOI: https://doi.org/10.2210/pdb5J97/pdb

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


• Deposited: 2016-04-08 Released: 2017-08-09 
• Deposition Author(s): Wu, Y., Zhu, J., Huang, X., Du, Z.
• Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.55 Å
• R-Value Free: 0.244 
• R-Value Work: 0.211 
• R-Value Observed: 0.214 

Literature

Dimerization domain of cytoplasmic activation/proliferation-associated protein-2 (caprin-2)

Du, Z., Wu, Y., Zhu, J., Huang, X.

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)

Macromolecule Content

• Total Structure Weight: 31.63 kDa 
• Atom Count: 2,090 
• Modelled Residue Count: 247 
• Deposited Residue Count: 274 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Caprin-2	A, B	137	Homo sapiens	Mutation(s): 0  Gene Names: CAPRIN2, C1QDC1, EEG1, KIAA1873, RNG140
UniProt & NIH Common Fund Data Resources
Find proteins for Q6IMN6 (Homo sapiens) Explore Q6IMN6  Go to UniProtKB:  Q6IMN6
PHAROS:  Q6IMN6 GTEx:  ENSG00000110888

Small Molecules

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A, B	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.55 Å
• R-Value Free: 0.244 
• R-Value Work: 0.211 
• R-Value Observed: 0.214 
• Space Group: P 4₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 71.02	α = 90
b = 71.02	β = 90
c = 133.76	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
SCALA	data scaling
PDB_EXTRACT	data extraction
iMOSFLM	data reduction
PHENIX	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2017-08-09 
Deposition Author(s): Wu, Y., Zhu, J., Huang, X., Du, Z.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	--

Revision History  

• Version 1.0: 2017-08-09
  Type: Initial release
  
• Version 1.1: 2017-09-13
  Changes: Author supporting evidence
• Version 1.2: 2022-04-13
  Changes: Author supporting evidence, Database references
• Version 1.3: 2024-11-06
  Changes: Data collection, Structure summary