Name	Info	Provider	Link
ptsH	free resource	BioCyc	https://biocyc.org/gene?orgid=BSUB&id=BSU13900
	subscription/membership/fee required	Wiley	https://onlinelibrary.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=0950-382X&date=1992&volume=6&issue=12&spage=1579