Name	Info	Provider	Link
budB	free resource	BioCyc	https://biocyc.org/gene?orgid=GCF_000009885&id=KP1_RS14665
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/0378-1119(92)90500-O
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:1644303