6z3r

Electron Microscopy
2.97Å resolution

Structure of SMG1-8-9 kinase complex bound to UPF1-LSQ

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-185492 (preferred)
Entry contents:
4 distinct polypeptide molecules
Macromolecules (4 distinct):
Serine/threonine-protein kinase SMG1 Chain: A
Molecule details ›
Chain: A
Length: 3411 amino acids
Theoretical weight: 379.58 KDa
Source organism: Homo sapiens
Expression system: Homo sapiens
UniProt:
  • Canonical: Q96Q15 (Residues: 259-3661; Coverage: 91%)
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
Regulator of nonsense transcripts 1 Chain: E
Molecule details ›
Chain: E
Length: 11 amino acids
Theoretical weight: 1.24 KDa
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: Q92900 (Residues: 1085-1095; Coverage: 1%)
Gene names: KIAA0221, RENT1, UPF1

Ligands and Environments

No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 2.97Å
Relevant EMDB volumes: EMD-11063
Expression systems:
  • Homo sapiens
  • Not provided