- Methylation patterns of the human beta-glucuronidase gene locus: boundaries of methylation and general implications for frequent point mutations at CpG dinucleotides. Tomatsu, S., Orii, K.O., Islam, M.R., Shah, G.N., Grubb, J.H., Sukegawa, K., Suzuki, Y., Orii, T., Kondo, N., Sly, W.S. Genomics (2002)