Updated protein domain annotation of the PARP protein family sheds new light on biological function by Suskiewicz, MJ, Munnur, D, Strømland, Ø, Yang, J-C, Easton, LE, Chatrin, C, Zhu, K, Baretić, D, Goffinont, S, Schuller, M, Wu, W-F, Elkins, JM, Ahel, D, Sanyal, S, Neuhaus, D, Ahel, I