Figure 4. 2D gel electrophoresis western blots with 1/5000 CM5 anti-p53 antibody on C57BL/6 intestinal tissue. (a) Colon control, (b) colon 1 h after 4 Gy -irradiation, (c) small intestine control, (d) small intestine 1 h after 4 Gy -irradiation.