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The α-conotoxin family is comprised of peptides that share the following arrangement of cysteine residues in the primary amino acid sequence: –CC–C–C–, where each dash represents a variable number of amino acids. The number of amino acids between cysteine residues has been used to group the α-conotoxins into distinct subfamilies. These subfamilies include the α4/7-, α4/3- and α3/5-conotoxins, so named...
A new approach to the determination of moderate resolution protein structures, termed MS3-D-Mass Spectrometry in 3 Dimensions-has recently been disclosed. The method involves the formation of covalent crosslinks between reactive residues on the protein surface, the determination of the location of those crosslinks in primary sequence space by mass spectrometry, and then the imposition of a distance...
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