immediately following initiation of transcription , t7 rna polymerase enters a phase in which dissociation of the enzyme-dna-rna ternary complex significantly competes with elongation , a process referred to in the escherichia coli enzyme as abortive cycling [ carpousis , a.j. , & gralla , j.d . ( 1980 ) biochemistry 19 , 3245-3253 ] .
C0026741
enzyme
C0014442
enzyme