3UCG

Crystal structure of a RNA binding domain of polyadenylate-binding protein (PABPN1) from Homo sapiens at 1.95 A resolution

• PDB DOI: https://doi.org/10.2210/pdb3UCG/pdb

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


• Deposited: 2011-10-26 Released: 2011-11-23 
• 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: 1.95 Å
• R-Value Free: 0.210 
• R-Value Work: 0.163 
• R-Value Observed: 0.165 

Literature

Crystal structure of a RNA binding domain of Hypothetical POLYADENYLATE-BINDING PROTEIN (PABPN1) from Homo sapiens at 1.95 A resolution

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

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: 10.37 kDa 
• Atom Count: 797 
• Modelled Residue Count: 88 
• Deposited Residue Count: 89 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Polyadenylate-binding protein 2	A	89	Homo sapiens	Mutation(s): 0  Gene Names: BC010939, PAB2, PABP2, PABPN1
UniProt & NIH Common Fund Data Resources
Find proteins for Q86U42 (Homo sapiens) Explore Q86U42  Go to UniProtKB:  Q86U42
PHAROS:  Q86U42 GTEx:  ENSG00000100836

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PGE	F [auth A]	TRIETHYLENE GLYCOL C6 H14 O4 ZIBGPFATKBEMQZ-UHFFFAOYSA-N
PEG	E [auth A]	DI(HYDROXYETHYL)ETHER C4 H10 O3 MTHSVFCYNBDYFN-UHFFFAOYSA-N
SO4	B [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
EDO	C [auth A], D [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.95 Å
• R-Value Free: 0.210 
• R-Value Work: 0.163 
• R-Value Observed: 0.165 
• Space Group: I 2 3
• Diffraction Data: https://doi.org/10.18430/M33UCG

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 92.678	α = 90
b = 92.678	β = 90
c = 92.678	γ = 90

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: 2011-11-23 
Deposition Author(s): Joint Center for Structural Genomics (JCSG), Partnership for T-Cell Biology (TCELL)

Revision History  

• Version 1.0: 2011-11-23
  Type: Initial release
  
• Version 1.1: 2012-08-29
  Changes: Structure summary
• Version 1.2: 2014-12-24
  Changes: Structure summary
• Version 1.3: 2017-11-08
  Changes: Refinement description
• Version 1.4: 2018-01-24
  Changes: Database references
• Version 1.5: 2023-02-01
  Changes: Database references, Derived calculations
• Version 1.6: 2024-10-09
  Changes: Data collection, Structure summary