New insights into the mechanism of initial transcription: the T7 RNA polymerase mutant P266L transitions to elongation at longer RNA lengths than wild type.
Ram?rez-Tapia LE, Martin CT. New insights into the mechanism of initial transcription: the T7 RNA polymerase mutant P266L transitions to elongation at longer RNA lengths than wild type. J Biol Chem. 2012 Oct 26; 287(44):37352-61.