>4YGY_1|Chains A, B|Carboxy-terminal domain RNA polymerase II polypeptide A small phosphatase 1|Homo sapiens (9606)
GSHGQYLLPEAKAQDSDKICVVINLDETLVHSSFKPVNNADFIIPVEIDGVVHQVYVLKRPHVDEFLQRMGELFECVLFTASLAKYADPVADLLDKWGAFRARLFRESCVFHRGNYVKDLSRLGRDLRRVLILDNSPASYVFHPDNAVPVASWFDNMSDTELHDLLPFFEQLSRVDDVYSVLRQPRPGS
>4YGY_2|Chains C, D|peptidomimetic CTD phospho-Ser5 peptide|synthetic construct (32630)
XSPYSPTXSYSX