Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S1878-6146(10)00187-X
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-PSMA1-1
SILVA LSU Database	free resource	SILVA	http://www.arb-silva.de/search/show/lsu/pubid/21944219