Product cited in:
He, Kermode: "Programmed cell death of the megagametophyte during post-germinative growth of white spruce (Picea glauca) seeds is regulated by reactive oxygen species and the ubiquitin-mediated proteolytic system." in: Plant & cell physiology, Vol. 51, Issue 10, pp. 1707-20, 2010 (PubMed).
Tang, Rosen: "Functional consequences of the subdomain organization of the sulfs." in: The Journal of biological chemistry, Vol. 284, Issue 32, pp. 21505-14, 2009 (PubMed).