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Publication : Restricted tissue expression pattern of a novel human rasGAP-related gene and its murine ortholog.

First Author  Allen M Year  1998
Journal  Gene Volume  218
Issue  1-2 Pages  17-25
PubMed ID  9751798 Mgi Jnum  J:50120
Mgi Id  MGI:1289931 Citation  Allen M, et al. (1998) Restricted tissue expression pattern of a novel human rasGAP-related gene and its murine ortholog. Gene 218(1-2):17-25
abstractText  The mammalian rasGAPs constitute a group of widely expressed proteins involved in the negative regulation of ras-mediated signaling. In this study we have isolated a novel human gene, RASAL (Ras GTPase-activating-like) and its murine ortholog, MRASAL which are most similar to the GAP1 family of rasGAP proteins, based upon the presence and organization of specific conserved domains. Full- length human and murine mRNA sequences are predicted to encode 804 and 799 amino acid polypeptides, respectively. Sequence analysis of these two proteins revealed the presence of two N-terminal calcium-dependent phospholipid binding C2 domains, a conserved GAP related domain (GRD) and a C-terminal pleckstrin homology (PH) domain. Northern blot and mRNA in situ hybridization analyses indicate that RASAL, in contrast to other mammalian rasGAP proteins, has a limited expression pattern; RASAL is highly expressed :in the follicular cells of the thyroid and the adrenal medulla and expressed at lower levels in brain, spinal cord and trachea. Human RASAL has been localized by radiation hybrid mapping to chromosome 12q23-24. (C) 1998 Elsevier Science B.V. All rights reserved.
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