title: Biosynthetic studies on the origin of the napthoquinone nucleus of menaquinone-4 (vitamin K) in the shore crab Carcinus maenas [proceedings].
mesh_terms: D000818:Animals; D003386:Brachyura / Q000378:metabolism*; D008798:Mevalonic Acid / Q000378:metabolism; D014812:Vitamin K / Q000096:biosynthesis*
chemical_list: D014812:Vitamin K; D008798:Mevalonic Acid