the interaction of the isolated human plasminogen kringle 4 with the four omega-amino acid ligands epsilon-aminocaproic acid ( epsilon aca ) , n alpha-acetyl-l-lysine ( aclys ) , trans-aminomethyl ( cyclohexane ) carboxylic acid ( amcha ) and p-benzylaminesulfonic acid ( basa ) has been further characterized by 1h-nmr spectroscopy at 300 and 600 mhz .
C0032140
plasminogen
C0064417
kringle