4O26

Crystal structure of the TRBD domain of TERT and the CR4/5 of TR


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.001 Å
  • R-Value Free: 0.261 
  • R-Value Work: 0.221 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history

Literature

Structural basis for protein-RNA recognition in telomerase.

Huang, J.Brown, A.F.Wu, J.Xue, J.Bley, C.J.Rand, D.P.Wu, L.Zhang, R.Chen, J.J.Lei, M.

(2014) Nat.Struct.Mol.Biol. 21: 507-512

  • DOI: 10.1038/nsmb.2819

  • PubMed Abstract: 
  • Telomerase is a large ribonucleoprotein complex minimally composed of a catalytic telomerase reverse transcriptase (TERT) and an RNA component (TR) that provides the template for telomeric DNA synthesis. However, it remains unclear how TERT and TR as ...

    Telomerase is a large ribonucleoprotein complex minimally composed of a catalytic telomerase reverse transcriptase (TERT) and an RNA component (TR) that provides the template for telomeric DNA synthesis. However, it remains unclear how TERT and TR assemble into a functional telomerase. Here we report the crystal structure of the conserved regions 4 and 5 (CR4/5) of TR in complex with the TR-binding domain (TRBD) of TERT from the teleost fish Oryzias latipes. The structure shows that CR4/5 adopts an L-shaped three-way-junction conformation with its two arms clamping onto TRBD. Both the sequence and conformation of CR4/5 are required for the interaction. Our structural and mutational analyses suggest that the observed CR4/5-TRBD recognition is common to most eukaryotes, and CR4/5 in vertebrate TR might have a similar role in telomerase regulation as that of stem-loop IV in Tetrahymena TR.


    Organizational Affiliation

    1] National Center for Protein Science Shanghai, State Key Laboratory of Molecular Biology, Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China. [2] Howard Hughes Medical Institute, University of Michigan Medical School, Ann Arbor, Michigan, USA. [3] Department of Biological Chemistry, University of Michigan Medical School, Ann Arbor, Michigan, USA.




Macromolecules

Find similar proteins by: Sequence  |  Structure


Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Telomerase reverse transcriptase
A, B
257Oryzias latipesGene Names: tert
EC: 2.7.7.49
Find proteins for Q1PS67 (Oryzias latipes)
Go to UniProtKB:  Q1PS67
Entity ID: 2
MoleculeChainsLengthOrganism
Telomerase TRE,F51Oryzias latipes
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
SO4
Query on SO4

Download SDF File 
Download CCD File 
A, B
SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.001 Å
  • R-Value Free: 0.261 
  • R-Value Work: 0.221 
  • Space Group: P 62 2 2
Unit Cell:
Length (Å)Angle (°)
a = 118.092α = 90.00
b = 118.092β = 90.00
c = 358.021γ = 120.00
Software Package:
Software NamePurpose
REFMACrefinement
PHENIXrefinement
SCALEPACKdata scaling
PDB_EXTRACTdata extraction

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2014-05-07
    Type: Initial release
  • Version 1.1: 2014-06-18
    Type: Database references