CTD (CARBOXY-TERMINAL DOMAIN, RNA POLYMERASE II, POLYPEPTIDE A) PHOSPHATASE, SUBUNIT 1 ISOFORM FCP1A; CTD OF POLR2A, PHOSPHATASE OF, SUBUNIT 1; TRANSCRIPTION FACTOR IIF-ASSOCIATING CTD PHOSPHATASE 1; TFIIF-ASSOCIATING CTD PHOSPHATASE 1; SERINE PHOSPHATASE FCP1A. [Source:RefSeq;Acc:NM_004715]