>2YYR_1|Chains A, B|Pygopus homolog 1|Mus musculus (10090) HGHSSSDPVYPCGICTNEVNDDQDAILCEASCQKWFHRICTGMTETAYGLLTAEASAVWGCDTCMAD >2YYR_2|Chain C[auth P]|H3K4Me3 peptide|null ARTKQTAR