3ENP

Crystal structure of human cgi121


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.48 Å
  • R-Value Free: 0.257 
  • R-Value Work: 0.211 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history

Literature

Atomic structure of the KEOPS complex: an ancient protein kinase-containing molecular machine.

Mao, D.Y.Neculai, D.Downey, M.Orlicky, S.Haffani, Y.Z.Ceccarelli, D.F.Ho, J.S.Szilard, R.K.Zhang, W.Ho, C.S.Wan, L.Fares, C.Rumpel, S.Kurinov, I.Arrowsmith, C.H.Durocher, D.Sicheri, F.

(2008) Mol.Cell 32: 259-275

  • DOI: 10.1016/j.molcel.2008.10.002
  • Primary Citation of Related Structures:  2K8Y, 3EN9, 3ENC, 3ENH, 3ENO

  • PubMed Abstract: 
  • Kae1 is a universally conserved ATPase and part of the essential gene set in bacteria. In archaea and eukaryotes, Kae1 is embedded within the protein kinase-containing KEOPS complex. Mutation of KEOPS subunits in yeast leads to striking telomere and ...

    Kae1 is a universally conserved ATPase and part of the essential gene set in bacteria. In archaea and eukaryotes, Kae1 is embedded within the protein kinase-containing KEOPS complex. Mutation of KEOPS subunits in yeast leads to striking telomere and transcription defects, but the exact biochemical function of KEOPS is not known. As a first step to elucidating its function, we solved the atomic structure of archaea-derived KEOPS complexes involving Kae1, Bud32, Pcc1, and Cgi121 subunits. Our studies suggest that Kae1 is regulated at two levels by the primordial protein kinase Bud32, which is itself regulated by Cgi121. Moreover, Pcc1 appears to function as a dimerization module, perhaps suggesting that KEOPS may be a processive molecular machine. Lastly, as Bud32 lacks the conventional substrate-recognition infrastructure of eukaryotic protein kinases including an activation segment, Bud32 may provide a glimpse of the evolutionary history of the protein kinase family.


    Organizational Affiliation

    Samuel Lunenfeld Research Institute, Mount Sinai Hospital, 600 University Avenue, Toronto, ON, M5G 1X5, Canada.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
TP53RK-binding protein
A, B
177Homo sapiensGene Names: TPRKB
Find proteins for Q9Y3C4 (Homo sapiens)
Go to Gene View: TPRKB
Go to UniProtKB:  Q9Y3C4
Small Molecules
Modified Residues  1 Unique
IDChainsTypeFormula2D DiagramParent
MSE
Query on MSE
A, B
L-PEPTIDE LINKINGC5 H11 N O2 SeMET
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.48 Å
  • R-Value Free: 0.257 
  • R-Value Work: 0.211 
  • Space Group: P 62
Unit Cell:
Length (Å)Angle (°)
a = 93.521α = 90.00
b = 93.521β = 90.00
c = 87.155γ = 120.00
Software Package:
Software NamePurpose
SHELXDphasing
REFMACrefinement
XDSdata scaling
XDSdata reduction
CBASSdata collection

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2008-11-04
    Type: Initial release
  • Version 1.1: 2011-07-13
    Type: Advisory, Version format compliance