>8U4W_1|Chains A, B, C, D|Poly [ADP-ribose] polymerase 1, processed C-terminus|Homo sapiens (9606) STKSKLPKPVQDLIKMIFGSGSGSGGDPIDVNYEKLKTDIKVVDRDSEEAEIIRKYVKNTHATTHNAHDLEVIDIFKIEREGECQRYKPFKQLHNRRLLWHGSRTTNFAGILSQGLRIAPPEAPVTGYMFGKGIYFADMVSKSANYCHTSQGDPIGLILLGEVALGNMYELKHASHISKLPKGKHSVKGLGKTTPDPSANISLDGVDVPLGTGISSGVNDTSLLYNEYIVYDIAQVNLKYLLKLKFNFKT