This gene encodes a protein which interacts with the carboxy-terminus of transcription initiation factor TFIIF, a transcription factor which regulates elongation as well as initiation by RNA polymerase II. The protein may also represent a component of an RNA polymerase II holoenzyme complex. Alternative splicing of this gene results in two transcript variants encoding 2 different isoforms.
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CCFDN; CTD (carboxy-terminal domain, RNA polymerase II, polypeptide A) phosphatase, subunit 1; CTD of POLR2A; CTD of POLR2A, phosphatase of, subunit 1; FCP1; phosphatase of; RNA polymerase II subunit A C-terminal domain phosphatase; serine phosphatase FCP1a; subunit 1; TFIIF-associating CTD phosphatase; TFIIF-associating CTD phosphatase 1; transcription factor IIF-associating CTD phosphatase 1