pm2 superhelican dna ( form i ) , which as been reacted with the single strand specific reagent , n-cyclohexyl-n'-beta- ( methylmorpholinium ) ethyl carbodiimide ( cmc ) is more than 95 % inhibited in its ability to support transcription with e. coli b rna polymerase in vitro .
C0040649
transcription
C0035679
b rna polymerase