Rassf5, Ras association domain-containing protein 5
Also Known as
RASF5_MOUSE, Rassf5, Nore1, Rapl
Potental tumor suppressor. Seems to be involved in lymphocyte adhesion by linking RAP1A activation upon T-cell receptor or chemokine stimulation to integrin activation. Isoform 2 stimulates lymphocyte polarization and the patch-like distribution of ITGAL/LFA-1, resulting in an enhanced adhesion to ICAM1. Together with RAP1A may participate in regulation of microtubule growth. The association of isoform 2 with activated RAP1A is required for directional movement of endothelial cells during wound healing (By similarity). May be involved in regulation of Ras apoptotic function. The RASSF5-STK4/MST1 complex may mediate HRAS and KRAS induced apoptosis. Interacts directly with activated HRAS; a RASSF5-STK4/MST1 complex probably associates with activated HRAS. Interacts with KRAS. Probably interacts with Ras-like GTPases RRAS, RRAS2, MRAS, RAP1B, RAP2A and RALA. Can self-associate. Interacts with RSSF1 isoform A. The RSSF1 isoform A-RSSF5 heterodimer probably mediates the association of RSSF1 with HRAS. Isoform 2 interacts with activated RAP1A and ITGAL/LFA-1. Binds STK4/MST1, inhibiting STK4/MST1 autoactivation.