Name	Info	Provider	Link
	subscription/membership/fee required	Atypon	https://www.pnas.org/doi/10.1073/pnas.97.15.8263?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub 0pubmed
rsmB	free resource	BioCyc	https://biocyc.org/gene?orgid=ECOLI&id=EG12163
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/10899996/
REBASE ref# 6405	free resource	REBASE - The Restriction Enzyme Database	http://rebase.neb.com/rebase/refs/6405.html
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/10899996