The requirement of poly(A) signals to elicit transcription termination of RNA polymerase II (pol II) is firmly established. However, little else is known about the actual process of pol II transcription termination. Evidence presented in this paper, based on analysis of nascent transcripts of the human beta- and epsilon-globin genes, demonstrates that pol II transcription termination involves two distinct and temporally separate events. The first event, termed pretermination cleavage (PTC), i...Expand abstract
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Multiple transcript cleavage precedes polymerase release in termination by RNA polymerase II.
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