NCIt definition : A small alpha-conotoxin isolated from the venom of the cone snail Conus magus that
is a competitive antagonist of the muscle-type nicotinic acetylcholine receptors,
blocking synaptic transmission at the neuromuscular junction. Alpha-conotoxins are
identified by a characteristic arrangement of four-cysteine residues (-CC-C-C-) and
disulfide bonding of Cys1-Cys3 and Cys2-Cys4.;
Alternative definition : CDISC: The biotoxin alpha-conotoxin MI.;