7k0p

Electron Microscopy
3.1Å resolution

Human serine palmitoyltransferase complex SPTLC1/SPLTC2/ssSPTa/ORMDL3, class 4

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero octamer (preferred)
PDBe Complex ID:
PDB-CPX-127404 (preferred)
Entry contents:
4 distinct polypeptide molecules
Macromolecules (4 distinct):
Serine palmitoyltransferase 1 Chains: A, E
Molecule details ›
Chains: A, E
Length: 473 amino acids
Theoretical weight: 52.81 KDa
Source organism: Homo sapiens
Expression system: Homo sapiens
UniProt:
  • Canonical: O15269 (Residues: 1-473; Coverage: 100%)
Gene names: LCB1, SPTLC1
Sequence domains: Aminotransferase class I and II
Serine palmitoyltransferase 2 Chains: B, F
Molecule details ›
Chains: B, F
Length: 544 amino acids
Theoretical weight: 60.85 KDa
Source organism: Homo sapiens
Expression system: Homo sapiens
UniProt:
  • Canonical: O15270 (Residues: 1-544; Coverage: 97%)
Gene names: KIAA0526, LCB2, SPTLC2
Sequence domains: Aminotransferase class I and II
Serine palmitoyltransferase small subunit A Chains: C, G
Molecule details ›
Chains: C, G
Length: 71 amino acids
Theoretical weight: 8.47 KDa
Source organism: Homo sapiens
Expression system: Homo sapiens
UniProt:
  • Canonical: Q969W0 (Residues: 1-71; Coverage: 100%)
Gene names: C14orf147, SPTSSA, SSSPTA
Sequence domains: Small subunit of serine palmitoyltransferase-like
ORM1-like protein 3 Chains: D, H
Molecule details ›
Chains: D, H
Length: 153 amino acids
Theoretical weight: 17.51 KDa
Source organism: Homo sapiens
Expression system: Homo sapiens
UniProt:
  • Canonical: Q8N138 (Residues: 1-153; Coverage: 100%)
Gene name: ORMDL3
Sequence domains: ORMDL family

Ligands and Environments


Cofactor: Ligand PLP 2 x PLP
1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 3.1Å
Relevant EMDB volumes: EMD-22606
Expression system: Homo sapiens