Rab gene

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rab gene

1. (Science: molecular biology) One of the three main groups of ras like genes specifying small GTP-binding proteins (the others are ras and rho). Rab proteins are involved in vesicular traffic and seem to control translocation from donor to acceptor membranes.

2. (Science: cell biology) gene family in plants responsive to abscisic acid: encode proteins of 15-17 kD.