3V4M

Crystal structure of a RNA binding domain of a U2 small nuclear ribonucleoprotein auxiliary factor 2 (U2AF) from Mus musculus at 1.80 A resolution

• PDB DOI: https://doi.org/10.2210/pdb3V4M/pdb

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


• Deposited: 2011-12-15 Released: 2012-06-13 
• Deposition Author(s): Joint Center for Structural Genomics (JCSG), Partnership for T-Cell Biology (TCELL)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.207 
• R-Value Work: 0.177 
• R-Value Observed: 0.179 

Literature

Crystal structure of a RNA binding domain of a U2 small nuclear ribonucleoprotein auxiliary factor 2 (U2AF) from Mus musculus at 1.80 A resolution

Joint Center for Structural Genomics (JCSG), Partnership for T-Cell Biology (TCELL)

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

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

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Homo 2-mer - A2 

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

Macromolecule Content

• Total Structure Weight: 24.44 kDa 
• Atom Count: 1,940 
• Modelled Residue Count: 209 
• Deposited Residue Count: 210 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Splicing factor U2AF 65 kDa subunit	A, B	105	Mus musculus	Mutation(s): 0  Gene Names: BC043071, U2af2, U2af65
UniProt & NIH Common Fund Data Resources
Find proteins for P26369 (Mus musculus) Explore P26369  Go to UniProtKB:  P26369
IMPC:  MGI:98886

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CL	C [auth A], E [auth B]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M
NA	D [auth B]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

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: 1.80 Å
• R-Value Free: 0.207 
• R-Value Work: 0.177 
• R-Value Observed: 0.179 
• Space Group: P 6₅ 2 2
• Diffraction Data: https://doi.org/10.18430/M33V4M

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 60.192	α = 90
b = 60.192	β = 90
c = 239.686	γ = 120

Software Package:

Software Name	Purpose
MolProbity	model building
PDB_EXTRACT	data extraction
SHELX	phasing
SHARP	phasing
XSCALE	data scaling
REFMAC	refinement
XDS	data reduction
SHELXD	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-06-13 
Deposition Author(s): Joint Center for Structural Genomics (JCSG), Partnership for T-Cell Biology (TCELL)

Revision History  

• Version 1.0: 2012-06-13
  Type: Initial release
  
• Version 1.1: 2015-10-21
  Changes: Structure summary
• Version 1.2: 2017-11-08
  Changes: Refinement description
• Version 1.3: 2023-02-01
  Changes: Database references, Derived calculations