Reference:
  Author: Christian J. A. Sigrist and Lorenzo Cerutti and Nicolas Hulo and Alexandre Gattiker and Laurent Falquet and Marco Pagni and Amos Bairoch and Philipp Bucher
  Title: "PROSITE: a documented database using patterns and profiles as motif descriptors"
  Journal: Briefings in Bioinformatics
  Year: 2002
  Volume: 3
  Number: 3
  Pages: 265-74
  DOI: 10.1093/bib/3.3.265
  PMID: 12230035
  URL: https://academic.oup.com/bib/article-lookup/doi/10.1093/bib/3.3.265
  eprint: https://academic.oup.com/bib/article-pdf/3/3/265/659046/265.pdf
