Name	Info	Provider	Link
pcnB	free resource	BioCyc	https://biocyc.org/gene?orgid=ECOLI&id=EG10690
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/28426097/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/28426097
	free resource	scite Smart Citations	https://scite.ai/reports/28426097
	subscription/membership/fee required	Silverchair Information Systems	https://academic.oup.com/nar/article-lookup/doi/10.1093/nar/gkw894