Figure 1.
(a) SDS-PAGE analysis of H2A-H2B extracted from core histones in unirradiated cells and 40 Gy irradiated cells after 30 min incubation. The lane labeled M refers to the standard molecular weight marker (XL-Ladder (low range); APRO Life Science Institute, Tokushima, Japan). The lanes labeled U and I refer to H2A-H2B extracted from unirradiated and irradiated cells, respectively. uH2A(Z) refers to monoubiquitinated H2A(Z). (b) Western blot analysis obtained using the H2AZ antibody.