By Edman sequencing we could identify a caspase 3 cleavage site after Asp584 ( D584AQPQAGR ) , generating a 22-kDa C-terminal SP1 protein fragment which still contains the DNA binding site .
by edman sequencing we could identify a caspase 3 cleavage site after asp584 ( d584aqpqagr ) , generating a 22-kda c-terminal sp1 protein fragment which still contains the dna binding site .
O O O O O O O O O O O O O O O O O O O O O B-protein_molecule O O O O O O O O O O