Name	Info	Provider	Link
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/9722640/
REBASE ref# 5645	free resource	REBASE - The Restriction Enzyme Database	http://rebase.neb.com/rebase/refs/5645.html
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/9722640
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:9722640
	subscription/membership/fee required	Silverchair Information Systems	https://academic.oup.com/nar/article-lookup/doi/10.1093/nar/26.18.4196