CD81 GI:4757944 CD81 antigen 1 mgvegctkci kyllfvfnfv fwlaggvilg valwlrhdpq ttnllylelg 50 51 dkpapntfyv giyiliavga vmmfvgflgc ygaiqesqcl lgtfftclvi 100 101 lfacevaagi wgfvnkdqia kdvkqfydqa lqqavvddda nnakavvktf 150 151 hetldccgss tltalttsvl knnlcpsgsn iisnlfkedc hqkiddlfsg 200 201 klyligiaai vvavimifem ilsmvlccgi rnssvy