Afc1 and rce1:isoprenylated caax processing enzymes

Details Afc1 and rce1:isoprenylated caax processing enzymes Afc1 and rce1:isoprenylated caax processing enzymes

C - Chemistry, Metallurgy

12

N

C12N 15/57 (2006.01) A61K 31/70 (2006.01) A61K 48/00 (2006.01) C07K 16/40 (2006.01) C12N 1/19 (2006.01) C12N 9/60 (2006.01) C12Q 1/02 (2006.01) C12Q 1/37 (2006.01) C12Q 1/68 (2006.01) G01N 33/573 (2006.01)

Patent

CA 2262517

Two genes which encode polypeptides that mediate post-prenylation processing steps in CAAX polypeptides such as Ras are provided. The two genes (AFC1 and RCE1) encode polypeptides that mediate the removal of the AAX tripeptide from the CAAX polypeptide following prenylation. The genes and encoded polypeptides provide assays for testing compounds for an effect on post-prenylation processing steps. A heat shock assay for assessing Ras activity is alos provided.

L'invention porte sur deux gènes qui codent des polypeptides induisant une procédure de transformation par post-prénylation dans des polypeptides CAAX tels que Ras. Les deux gènes (AFC1 et RCE1) codent des polypeptides qui induisent l'élimination du tripeptide AAX du polypeptide CAAX après prénylation. Les gènes et les polypeptides codés donnent des dosages servant à tester des composés pour mesurer leur effet sur la procédure de transformation par post-prénylation. L'invention porte aussi sur un essai de résistance au choc à chaud permettant d'évaluer l'activité du Ras.

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