Term Name:	marinobufagenin
Synonyms:	(3beta,5beta,14alpha,15beta)-3,5-dihydroxy-14,15-epoxybufa-20,22-dienolide, 3beta,5-dihydroxy-5beta,15beta-14,15-epoxybufa-20,22-dienolide, Marinobufagin, MBG
Definition:	A cardiotonic steroid secreted by the toad Bufo rubescens and other related species such as Bufo marinus. An endogenous Na/K-ATPase inhibitor, it is a vasoconstrictor with effects similar to digitalis.
Ontology:	ChEBI [CHEBI:146151]  ( EBI )