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Genomics. 1999 Jun 15;58(3):270-80.

Identification and chromosomal location of two human genes encoding enzymes potentially involved in proteolytic maturation of farnesylated proteins.

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Departamento de Bioquímica y Biología Molecular, Facultad de Medicina, Universidad de Oviedo, Oviedo, 33006-, Spain.


Two human cDNAs encoding proteins similar to yeast enzymes involved in proteolytic processing of farnesylated proteins like a-factor mating pheromone and Ras2p have been cloned from an ovary cDNA library. These proteins have been tentatively called Face-1 and Face-2 (farnesylated protein-converting enzymes 1 and 2), respectively, and are integral membrane proteins, belonging to distinct families of metalloproteinases. Northern blot analysis of poly(A)+ RNAs isolated from a wide variety of human tissues demonstrated that both genes are expressed in all examined tissues, which suggests that these enzymes play housekeeping roles in normal processes. Fluorescence in situ hybridization experiments showed that the human FACE-1 gene maps to 1p34, whereas FACE-2 is located at 11q13, a region frequently amplified in human carcinomas and lymphomas. On the basis of these results, we suggest that inhibition of Face-1 and/or Face-2 could be part of strategies directed to block the functioning of prenylated proteins activated in oncogenic processes, including Ras proteins.

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