Packet D: Tossup 15

The Fahrni group pioneered cellular detection of this element using tetrathiazacrown (“tetra-THY-uh-za-crown”) ether probes. This metal is needed for beta-monooxygenases to convert dopamine into norepinephrine. This metal can be delivered to its ATP7A transporter while bound to ceruloplasmin. (10[1]-5[1])This (10[1])metal’s (10[1])iodide is notably not required when using cyclooctynes (“cyclo-OCK-tynes”) developed by (10[1])the Bertozzi (10[1])group (10[3])in a (10[1])variant (10[1])of click (10[2])chemistry (10[5])“free” (10[1])of it. (10[3])Zinc and this (10[2])metal are coordinated (10[1])in the most (10[1])common family of (-5[1])eukaryotic superoxide dismutases. (10[2]-5[1])ParaGard is among a class of IUDs (10[2])coated (10[1])in this metal. (10[12])Epoxide (10[5])ring (10[1])openings (10[1])in alkaloid syntheses (10[1]-5[1])often use lithium and (10[1])this metal (10[2])in the form of Gilman reagents. (10[2]-5[1])Oxygen (10[1]-5[1])is bound to this metal in hemocyanin (10[1])giving (-5[1])spider (-5[1])blood (10[1])a blue hue. For 10 points, name this element whose (10[1])symbol is Cu. (10[1])■END■ (10[9])

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