>1GXC_1|Chains A, C[auth D], E[auth G], G[auth J]|SERINE/THREONINE-PROTEIN KINASE CHK2|HOMO SAPIENS (9606) ETVSTQELYSIPEDQEPEDQEPEEPTPAPWARLWALQDGFANLECVNDNYWFGRDKSCEYCFDEPLLKRTDKYRTYSKKHFRIFREVGPKNSYIAYIEDHSGNGTFVNTELVGKGKRRPLNNNSEIALSLSRNKVFVFFDLTVDDQSVY >1GXC_2|Chains B, D[auth E], F[auth H], H[auth K]|SYNTHETIC PHOSPHOPEPTIDE|SYNTHETIC CONSTRUCT (32630) RHFDTYLIRR