The major HMG-box-containing chromatin proteins HMGB1 and HMGB2 stimulate DNA cleavage by DFF40/CAD (Liu et al., 1998; Toh et al., 1998; Widlak et al., 2000). Changes in DNA conformation following HMG-box binding makes the substrate more accessible to cleavage by DFF40/CAD nuclease and thus may contribute to preferential linker DNA cleavage during apoptosis (Kalinowska-Herok and Widlak., 2008).
Kalinowska-Herok, M, Wid?ak, P
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