3B4D

Crystal Structure of Human PABPN1 RRM

• PDB DOI: https://doi.org/10.2210/pdb3B4D/pdb

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


• Deposited: 2007-10-24 Released: 2008-01-15 
• Deposition Author(s): Ge, H., Tong, S., Teng, M., Niu, L.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.207 
• R-Value Work: 0.174 
• R-Value Observed: 0.176 

Literature

Crystal structure and possible dimerization of the single RRM of human PABPN1

Ge, H., Zhou, D., Tong, S., Gao, Y., Teng, M., Niu, L.

(2008) Proteins 71: 1539-1545

• PubMed: 18275081 
• DOI: https://doi.org/10.1002/prot.21973
• Primary Citation of Related Structures:  
  3B4D, 3B4M

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Organizational Affiliation: 

Hefei National Laboratory for Physical Sciences at Microscale, School of Life Sciences, University of Science and Technology of China, Hefei, Anhui 230026, China.

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: 10.86 kDa 
• Atom Count: 722 
• Modelled Residue Count: 80 
• Deposited Residue Count: 96 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Polyadenylate-binding protein 2	A	96	Homo sapiens	Mutation(s): 0  Gene Names: PABPN1, PAB2, PABP2
UniProt & NIH Common Fund Data Resources
Find proteins for Q86U42 (Homo sapiens) Explore Q86U42  Go to UniProtKB:  Q86U42
PHAROS:  Q86U42 GTEx:  ENSG00000100836

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.207 
• R-Value Work: 0.174 
• R-Value Observed: 0.176 
• Space Group: I 2 3

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 92.346	α = 90
b = 92.346	β = 90
c = 92.346	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
MAR345dtb	data collection
AUTOMAR	data reduction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-01-15 
Deposition Author(s): Ge, H., Tong, S., Teng, M., Niu, L.

Revision History  

• Version 1.0: 2008-01-15
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2024-03-13
  Changes: Data collection, Database references