in the presence of adenosine 5'-o- ( 3-thiotriphosphate ) , an atp analog which stabilizes the binding of reca protein to both single- and double-stranded dna , reca protein is a more potent inhibitor of the nuclease activities on single-stranded dna and is a weak inhibitor of the exonuclease activity on double-stranded dna .
C0012935
single-stranded dna
C0012854
double-stranded dna