Name	Info	Provider	Link
	subscription/membership/fee required	Springer	https://doi.org/10.1007/s10482-019-01313-4
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-AKR1C1-1
NBRP resources	free resource	National BioResource Project	https://rrc.nbrp.jp/references/list?pubmed=31401696