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Protein Farnesyltransferase Complexed with a Rap2a Peptide Substrate and a FPP Analog at 1.8A Resolution

Source organism: Homo sapiens
Biochemical function: transferase activity
Biological process: protein farnesylation
Cellular component: protein farnesyltransferase complex

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EC 2.5.1.58: Protein farnesyltransferase

Reaction catalysed:
Farnesyl diphosphate + protein-cysteine = S-farnesyl protein + diphosphate
Systematic name:
Farnesyl-diphosphate:protein-cysteine farnesyltransferase
Alternative Name(s):
  • CAAX farnesyltransferase
  • FTase

EC 2.5.1.59: Protein geranylgeranyltransferase type I

Reaction catalysed:
Geranylgeranyl diphosphate + protein-cysteine = S-geranylgeranyl-protein + diphosphate
Systematic name:
Geranylgeranyl-diphosphate:protein-cysteine geranyltransferase
Alternative Name(s):
  • GGTase-I
  • GGTaseI
  • Type I protein geranyl-geranyltransferase

GO terms

Sequence families

Pfam Protein families (Pfam)
PF00432
Domain description: Prenyltransferase and squalene oxidase repeat
Occurring in:
  1. Protein farnesyltransferase subunit beta
The deposited structure of PDB entry 1tn6 contains 5 copies of Pfam domain PF00432 (Prenyltransferase and squalene oxidase repeat) in Protein farnesyltransferase subunit beta. Showing 5 copies in chain B.

PF01239
Domain description: Protein prenyltransferase alpha subunit repeat
Occurring in:
  1. Protein farnesyltransferase/geranylgeranyltransferase type-1 subunit alpha
The deposited structure of PDB entry 1tn6 contains 5 copies of Pfam domain PF01239 (Protein prenyltransferase alpha subunit repeat) in Protein farnesyltransferase/geranylgeranyltransferase type-1 subunit alpha. Showing 5 copies in chain A.

InterPro InterPro annotations
IPR002088
Domain description: Protein prenyltransferase, alpha subunit
Occurring in:
  1. Protein farnesyltransferase/geranylgeranyltransferase type-1 subunit alpha
IPR001330
Domain description: PFTB repeat
Occurring in:
  1. Protein farnesyltransferase subunit beta
IPR026872
Domain description: Protein farnesyltransferase subunit beta
Occurring in:
  1. Protein farnesyltransferase subunit beta
IPR045089
Domain description: Prenyltransferase subunit beta
Occurring in:
  1. Protein farnesyltransferase subunit beta
IPR008930
Domain description: Terpenoid cyclases/protein prenyltransferase alpha-alpha toroid
Occurring in:
  1. Protein farnesyltransferase subunit beta

Structure domains

CATH CATH domains
1.50.10.20
Class: Mainly Alpha
Architecture: Alpha/alpha barrel
Topology: Glycosyltransferase
Homology: Glycosyltransferase
Occurring in:
  1. Protein farnesyltransferase subunit beta
The deposited structure of PDB entry 1tn6 contains 1 copy of CATH domain 1.50.10.20 (Glycosyltransferase) in Protein farnesyltransferase subunit beta. Showing 1 copy in chain B.
1.25.40.120
Class: Mainly Alpha
Architecture: Alpha Horseshoe
Topology: Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat
Homology: Protein prenylyltransferase
Occurring in:
  1. Protein farnesyltransferase/geranylgeranyltransferase type-1 subunit alpha
The deposited structure of PDB entry 1tn6 contains 1 copy of CATH domain 1.25.40.120 (Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat) in Protein farnesyltransferase/geranylgeranyltransferase type-1 subunit alpha. Showing 1 copy in chain A.
SCOP SCOP annotations
48246
Class: All alpha proteins
Fold: alpha/alpha toroid
Superfamily: Terpenoid cyclases/Protein prenyltransferases
Occurring in:
  1. Protein farnesyltransferase subunit beta
The deposited structure of PDB entry 1tn6 contains 1 copy of SCOP domain 48246 (Protein prenyltransferases) in Protein farnesyltransferase subunit beta. Showing 1 copy in chain B.
48440
Class: All alpha proteins
Fold: alpha-alpha superhelix
Superfamily: Protein prenylyltransferase
Occurring in:
  1. Protein farnesyltransferase/geranylgeranyltransferase type-1 subunit alpha
The deposited structure of PDB entry 1tn6 contains 1 copy of SCOP domain 48440 (Protein prenylyltransferase) in Protein farnesyltransferase/geranylgeranyltransferase type-1 subunit alpha. Showing 1 copy in chain A.

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