>2CS2_1|Chain A|Poly [ADP-ribose] polymerase-1|Homo sapiens (9606) GSSGSSGGSKAEKTLGDFAAEYAKSNRSTCKGCMEKIEKGQVRLSKKMVDPEKPQLGMIDRWYHPGCFVKNREELGFRPEYSASQLKGFSLLATEDKEALKKQLPGVKSEGKRKGDEVDGVDEVAKKKSGPSSG