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Kingdom Residues Position Rule
Eukaryotes C N-terminus after cleavage of signal peptide. Associated with cholesterol glycine ester
Eukaryotes C C-terminal part of mature peptide. -
Eukaryotes S,T - -
Eukaryotes K anywhere -
Prokaryotes C N-terminus after cleavage of signal peptide. Frequently associated with S-diacylglycerol cystein
Prokaryotes K anywhere -

Mass difference:

average 238.4136
monoisotopic 238.2297