Name	Info	Provider	Link
	subscription/membership/fee required	Atypon	https://journals.asm.org/doi/10.1128/jb.171.6.3039-3045.1989?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub 0pubmed
atpI	free resource	BioCyc	https://ecocyc.org/gene?orgid=ECOLI&id=EG10106
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/2524469/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/2524469