6l54

Electron Microscopy
3.43Å resolution

Structure of SMG189

Released:
Source organism: Homo sapiens
Primary publication:
Cryo-EM structure of SMG1-SMG8-SMG9 complex.
Cell Res 29 1027-1034 (2019)
PMID: 31729466
Related structures: EMD-0837

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-185493 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Serine/threonine-protein kinase SMG1 Chain: A
Molecule details ›
Chain: A
Length: 3661 amino acids
Theoretical weight: 410.97 KDa
Source organism: Homo sapiens
Expression system: Homo sapiens
UniProt:
  • Canonical: Q96Q15 (Residues: 1-3661; Coverage: 100%)
Gene names: ATX, KIAA0421, LIP, SMG1
Sequence domains:
Nonsense-mediated mRNA decay factor SMG8 Chain: B
Molecule details ›
Chain: B
Length: 991 amino acids
Theoretical weight: 109.83 KDa
Source organism: Homo sapiens
Expression system: Homo sapiens
UniProt:
  • Canonical: Q8ND04 (Residues: 1-991; Coverage: 100%)
Gene names: ABC2, C17orf71, SMG8
Sequence domains: Smg8_Smg9
Nonsense-mediated mRNA decay factor SMG9 Chain: C
Molecule details ›
Chain: C
Length: 520 amino acids
Theoretical weight: 57.72 KDa
Source organism: Homo sapiens
Expression system: Homo sapiens
UniProt:
  • Canonical: Q9H0W8 (Residues: 1-520; Coverage: 100%)
Gene names: C19orf61, SMG9

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 3.43Å
Relevant EMDB volumes: EMD-0837
Expression system: Homo sapiens