Name	Info	Provider	Link
fhuA	free resource	BioCyc	https://biocyc.org/gene?orgid=ECOLI&id=EG10302
	free resource	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0021-9258(20)79489-5
Full text from	free resource	CORE	https://core.ac.uk/reader/211511229?utm_source=linkout