Name	Info	Provider	Link
fur	free resource	BioCyc	https://biocyc.org/gene?orgid=ECOLI&id=EG10359
	free resource	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0021-9258(23)01776-3
Iron	free resource	MedlinePlus Health Information	https://medlineplus.gov/iron.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/37100285/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/37100285