cDNA cloning revealed a predicted 148 kd transmembrane polypeptide with structural features identifying it as {HEAD ~ a member} of the erbB family, prompting {TAIL ~ designation} of the new gene as erbB 3 
cDNA cloning revealed a predicted 148 kd transmembrane polypeptide with structural features identifying it as { HEAD ~ a member } of the erbB family , prompting { TAIL ~ designation } of the new gene as erbB 3
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH