Protein farnesyltransferase/geranylgeranyltransferase type-1 subunit alpha

Definition:

Essential subunit of both the farnesyltransferase and the geranylgeranyltransferase complex. Contributes to the transfer of a farnesyl or geranylgeranyl moiety from farnesyl or geranylgeranyl diphosphate to a cysteine at the fourth position from the C-terminus of several proteins having the C-terminal sequence Cys-aliphatic-aliphatic-X. May positively regulate neuromuscular junction development downstream of MUSK via its function in RAC1 prenylation and activation.

References:

[1]. Kimberly L Terry, et al. Conversion of protein farnesyltransferase to a geranylgeranyltransferase. Biochemistry. 2006 Aug 15;45(32):9746-55. [Content Brief]

[2]. D A Andres, et al. Mutational analysis of alpha-subunit of protein farnesyltransferase. Evidence for a catalytic role. J Biol Chem. 1993 Jan 15;268(2):1383-90. [Content Brief]

[3]. S Jane deSolms, et al. Dual protein farnesyltransferase-geranylgeranyltransferase-I inhibitors as potential cancer chemotherapeutic agents. J Med Chem. 2003 Jul 3;46(14):2973-84. [Content Brief]

[4]. Michael A Hast, et al. Structural basis for binding and selectivity of antimalarial and anticancer ethylenediamine inhibitors to protein farnesyltransferase. Chem Biol. 2009 Feb 27;16(2):181-92. [Content Brief]

[5]. Ian M Bell, et al. 3-Aminopyrrolidinone farnesyltransferase inhibitors: design of macrocyclic compounds with improved pharmacokinetics and excellent cell potency. J Med Chem. 2002 Jun 6;45(12):2388-409. [Content Brief]

[6]. C A Omer, et al. Characterization of recombinant human farnesyl-protein transferase: cloning, expression, farnesyl diphosphate binding, and functional homology with yeast prenyl-protein transferases. Biochemistry. 1993 May 18;32(19):5167-76. [Content Brief]

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