Membrane spanning 4-domains A14 MESTSQDRRA THVITIKPNE TVLTAFPYRP HSSLLDFLKG EPRVLGATQI LLALIIVGFG TIFALNYIGF SQRLPLVVLT GYPFWGALIG QGVTGMNVIS SLVAITGITF TILSYRHQDK YCQMPSFEEI CVFSRTLFID FILLTPPHSS HFL