1.0alpha7.dev.166.sent
sentence
CYFIP1 (or  p140Sra-1, specifically  Rac1-associated protein) or  CYFIP2 (or  PIR121 or pop), which presents 94.5% of sequence similarities with  CYFIP1, have been shown to be specific targets of  Rac1, binding only to the  GTP-bound form of Rac1.