B cell-specific loss of histone 3 lysine 9 methylation in the V(H) locus depends on Pax5.

Johnson K, Pflugh DL, Yu D, et al. "B cell-specific loss of histone 3 lysine 9 methylation in the V(H) locus depends on Pax5." Nat Immunol. 2004;5(8):853-61.