. "Edited: Matthews, L, 2005-07-26 23:29:22"^^ . "Authored: Matthews, L, Rice, AP, 2005-07-27 00:00:00"^^ . "TFIIS reactivates arrested RNA Pol II directly interacting with the enzyme resulting in endonucleolytic excision of nascent transcript ~7-14 nucleotides upstream of the 3' end. This reaction is catalyzed by the catalytic site and results in the generation of a new 3'-OH terminus that could be used for re-extension from the correctly base paired site (reviewed by Shilatifard et al., 2003)."^^ . . . . . . "TFIIS-mediated recovery of HIV-1 elongation from arrest"^^ . . . . .