Peptide sequence: DALPAAEGGS RDQEEGKNHM YLFEGKDYSK EPSKEDRKSF EQLVNLQKTL Sequence homology: Cow: 93%; Dog: 93%; Guinea Pig: 86%; Horse: 93%; Human: 100%; Mouse: 100%; Pig: 100%; Rabbit: 100%; Rat: 100%. In response to DNA strand breaks, chromatin adopts