Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0378111903007492
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-SULT1E1-1
NBRP resources	free resource	National BioResource Project	https://rrc.nbrp.jp/references/list?pubmed=14563559