2N3O | pdb_00002n3o

Structure of PTB RRM1(41-163) bound to an RNA stemloop containing a structured loop derived from viral internal ribosomal entry site RNA

• PDB DOI: https://doi.org/10.2210/pdb2N3O/pdb
• NAKB: 2N3O
• BMRB: 25652

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


• Deposited: 2015-06-08 Released: 2016-08-10 
• Deposition Author(s): Maris, C., Jayne, S.F., Damberger, F.F., Ravindranathan, S., Allain, F.H.-T.

---

Experimental Data Snapshot

• Method: SOLUTION NMR
• Conformers Calculated: 250 
• Conformers Submitted: 20 
• Selection Criteria: structures with the least restraint violations 

Literature

C-terminal helix folding upon pyrimidine-rich hairpin binding to PTB RRM1. Implications for PTB function in Encephalomyocarditis virus IRES activity.

Maris, C., Jayne, S.F., Damberger, F.F., Ravindranathan, S., Allain, F.H.-T.

To be published.

Biological Assembly 1  

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

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

Macromolecule Content

• Total Structure Weight: 20.68 kDa 
• Atom Count: 1,420 
• Modelled Residue Count: 146 
• Deposited Residue Count: 146 
• Unique protein chains: 1
• Unique nucleic acid chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Polypyrimidine tract-binding protein 1	A	123	Homo sapiens	Mutation(s): 0  Gene Names: PTB, PTBP1
UniProt & NIH Common Fund Data Resources
Find proteins for P26599 (Homo sapiens) Explore P26599  Go to UniProtKB:  P26599
PHAROS:  P26599 GTEx:  ENSG00000011304

Entity ID: 2
Molecule	Chains	Length	Organism	Image
RNA (5'-R(*GP*GP*GP*AP*CP*CP*UP*GP*GP*UP*CP*UP*UP*UP*CP*CP*AP*GP*GP*UP*CP*CP*C)-3')	B	23	synthetic construct

Experimental Data & Validation

Experimental Data

• Method: SOLUTION NMR
• Conformers Calculated: 250 
• Conformers Submitted: 20 
• Selection Criteria: structures with the least restraint violations 

Structure Validation

Entry History 

Deposition Data

• Released Date: 2016-08-10 
Deposition Author(s): Maris, C., Jayne, S.F., Damberger, F.F., Ravindranathan, S., Allain, F.H.-T.

Revision History  

• Version 1.0: 2016-08-10
  Type: Initial release
  
• Version 1.1: 2024-05-01
  Changes: Data collection, Database references