<p>Tob (transducer of ErbB2) is a member of the antiproliferative gene family consisting of BTG1, PC3/TIS21/BTG2, ANA/BTG3, PC3B, and Tob2. These proteins are characterised by similarities in their amino-terminal region: the Btg1 homology domain [<cite idref="PUB00034979"/>]. Tob family proteins associate with transcription factors.</p> Transducer of ErbB-2