>4X9R_1|Chain A|Serine/threonine-protein kinase PLK1|Homo sapiens (9606) GAHMDCHLSDMLQQLHSVNASKPSERGLVRQEEAEDPACIPIFWVSKWVDYSDKYGLGYQLCDNSVGVLFNDSTRLILYNDGDSLQYIERDGTESYLTVSSHPNSLMKKITLLKYFRNYMSEHLLKAGANITPREGDELARLPYLRTWFRTRSAIILHLSNGSVQINFFQDHTKLILCPLMAAVTYIDEKRDFRTYRLSLLEEYGCCKELASRLRYARTMVDKLLSSRSASNRLKAS >4X9R_2|Chain B|Phosphopeptide macrocycle 3B|synthetic construct (32630) XLHSTX