Mass spectrometry of permethylated peptide derivatives: extension of the technique to peptides containing aspartic acid, glutamic acid, or tryptophane.
D000595:Amino Acid Sequence; D001224:Aspartic Acid / Q000032:analysis*; D005971:Glutamates / Q000032:analysis*; D007454:Iodides; D008722:Methods; D008745:Methylation; D010455:Peptides / Q000032:analysis*; D013057:Spectrum Analysis; D014364:Tryptophan / Q000032:analysis*
D005971:Glutamates; D007454:Iodides; D010455:Peptides; D001224:Aspartic Acid; D014364:Tryptophan