1d8e

X-ray diffraction
3Å resolution

Zinc-depleted FTase complexed with K-RAS4B peptide substrate and FPP analog.

Released:

Function and Biology Details

Reactions catalysed:
Farnesyl diphosphate + protein-cysteine = S-farnesyl protein + diphosphate
Geranylgeranyl diphosphate + protein-cysteine = S-geranylgeranyl-protein + diphosphate
GTP + H(2)O = GDP + phosphate

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-134020 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Protein farnesyltransferase/geranylgeranyltransferase type-1 subunit alpha Chain: A
Molecule details ›
Chain: A
Length: 377 amino acids
Theoretical weight: 44.1 KDa
Source organism: Rattus norvegicus
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: Q04631 (Residues: 1-377; Coverage: 100%)
Gene name: Fnta
Sequence domains: Protein prenyltransferase alpha subunit repeat
Structure domains: Protein prenylyltransferase
Protein farnesyltransferase subunit beta Chain: B
Molecule details ›
Chain: B
Length: 437 amino acids
Theoretical weight: 48.72 KDa
Source organism: Rattus norvegicus
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: Q02293 (Residues: 1-437; Coverage: 100%)
Gene name: Fntb
Sequence domains: Prenyltransferase and squalene oxidase repeat
Structure domains: Glycosyltransferase
GTPase KRas, N-terminally processed Chain: P
Molecule details ›
Chain: P
Length: 11 amino acids
Theoretical weight: 1.3 KDa
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: P01116 (Residues: 185-189; Coverage: 3%)
Gene names: KRAS, KRAS2, RASK2

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU200
Spacegroup: P61
Unit cell:
a: 171.411Å b: 171.411Å c: 69.663Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.219 0.196 0.249
Expression systems:
  • Spodoptera frugiperda
  • Not provided