>1J2X_1|Chain A|Transcription initiation factor IIF, alpha subunit|Homo sapiens (9606) GPLGSGDVQVTEDAVRRYLTRKPMTTKDLLKKFQTKKTGLSSEQTVNVLAQILKRLNPERKMINDKMHFSLKE >1J2X_2|Chain B|RNA polymerase II CTD phosphatase|null SEADEMAKALEAELNDLM