Sharp JA, et al. (2003) The budding yeast silencing protein Sir1 is a functional component of centromeric chromatin. Genes Dev 17(19):2356-61 PMID:12975325
Sharp JA, et al. (2001) Yeast histone deposition protein Asf1p requires Hir proteins and PCNA for heterochromatic silencing. Curr Biol 11(7):463-73 PMID:11412995