6z2w

Electron Microscopy
2.82Å resolution

Mec1-Ddc2 (F2244L mutant) in complex with Mg AMP-PNP

Released:
Primary publication:
Mechanism of auto-inhibition and activation of Mec1ATR checkpoint kinase.
Nat Struct Mol Biol 28 50-61 (2021)
PMID: 33169019
Related structures: EMD-11050

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-153548 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
DNA damage checkpoint protein LCD1 Chains: C, D
Molecule details ›
Chains: C, D
Length: 747 amino acids
Theoretical weight: 86.53 KDa
Source organism: Saccharomyces cerevisiae S288C
Expression system: Saccharomyces cerevisiae
UniProt:
  • Canonical: Q04377 (Residues: 1-747; Coverage: 100%)
Gene names: DDC2, LCD1, PIE1, YDR499W
Sequence domains: DNA damage checkpoint protein
Serine/threonine-protein kinase MEC1 Chains: E, F
Molecule details ›
Chains: E, F
Length: 2368 amino acids
Theoretical weight: 273.65 KDa
Source organism: Saccharomyces cerevisiae S288C
Expression system: Saccharomyces cerevisiae
UniProt:
  • Canonical: P38111 (Residues: 1-2368; Coverage: 100%)
Gene names: ESR1, MEC1, SAD3, YBR1012, YBR136W
Sequence domains:

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 2.82Å
Relevant EMDB volumes: EMD-11050
Expression system: Saccharomyces cerevisiae