In addition, PAIs lacking the Arg Gly Asp adhesion sequence but containing {HEAD ~ K* D} wherein {TAIL ~ K}* is a modified lysyl residue of the formula 
wherein
In addition , PAIs lacking the Arg Gly Asp adhesion sequence but containing { HEAD ~ K * D } wherein { TAIL ~ K } * is a modified lysyl residue of the formula
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH