GP9 GI:4504077 glycoprotein IX (platelet) precursor 1 mpawgalfll wataeatkdc pspctcrale tmglwvdcrg hgltalpalp 50 51 artrhlllan nslqsvppga fdhlpqlqtl dvtqnpwhcd csltylrlwl 100 101 edrtpeallq vrcaspslaa hgplgrltgy qlgscgwqlq aswvrpgvlw 150 151 dvalvavaal glallagllc atteald