amplification is also inhibited by various protease inhibitors ( antipain , leupeptin , aprotinin , alpha-i-antitrypsin , epsilon-amino-caproic acid , soy-bean protease inhibitor ) , by the non-initiating but dna-damaging agent caffeine , and by sodium butyrate , which inhibits dna synthesis by histone modification .
C0012854
dna
C0598312
dna synthesis