Name	Info	Provider	Link
	subscription/membership/fee required	Atypon	https:///www.science.org/doi/10.1126/science.278.5335.128?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub 0pubmed
mutT	free resource	BioCyc	https://biocyc.org/gene?orgid=ECOLI&id=EG10626
Gene Ontology annotations from this paper	free resource	Gene Ontology	http://amigo.geneontology.org/amigo/reference/PMID:9311918
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=9311918.ui
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:9311918