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2.5.1.58: protein farnesyltransferase

This is an abbreviated version!
For detailed information about protein farnesyltransferase, go to the full flat file.

Word Map on EC 2.5.1.58

Reaction

farnesyl diphosphate
+
protein-cysteine
=
S-farnesyl protein
+
diphosphate

Synonyms

AfFTase, CAAX farnesyltransferase, EhFT, Era1, farnesyl protein transferase, farnesyltransferase, farnesyltransferase ternary complex part II, farnesyltransferase, farnesyl pyrophosphate-protein, farnesyltransferase, protein, FntA, FntB, FPT, fptase, FTase, hFTase, HIT5, Pf-PFT, PfPFT, PFT, PFTase, prenyl transferase, prenylprotein transferase, prenyltransferase, protein cysteine farnesyltransferase, protein farnesyl transferase, protein farnesyltransferase, protein prenyltransferase, protein-farnesyltransferase, R-PFT, Ram1, RAS farnesyltransferase, Ras protein farnesyltransferase, rFPTase, rFTase, rPFTase, TbFTase, yPFTase

ECTree

     2 Transferases
         2.5 Transferring alkyl or aryl groups, other than methyl groups
             2.5.1 Transferring alkyl or aryl groups, other than methyl groups (only sub-subclass identified to date)
                2.5.1.58 protein farnesyltransferase

Systematic Name

Systematic Name on EC 2.5.1.58 - protein farnesyltransferase

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SYSTEMATIC NAME
IUBMB Comments
farnesyl-diphosphate:protein-cysteine farnesyltransferase
This enzyme, along with protein geranylgeranyltransferase types I (EC 2.5.1.59) and II (EC 2.5.1.60), constitutes the protein prenyltransferase family of enzymes. Catalyses the formation of a thioether linkage between the C-1 of an isoprenyl group and a cysteine residue fourth from the C-terminus of the protein. These protein acceptors have the C-terminal sequence CA1A2X, where the terminal residue, X, is preferably serine, methionine, alanine or glutamine; leucine makes the protein a substrate for EC 2.5.1.59. The enzymes are relaxed in specificity for A1, but cannot act if A2 is aromatic. Substrates of the prenyltransferases include Ras, Rho, Rab, other Ras-related small GTP-binding proteins, gamma-subunits of heterotrimeric G-proteins, nuclear lamins, centromeric proteins and many proteins involved in visual signal transduction. A zinc metalloenzyme that requires Mg2+ for activity.