The amino acid sequence of beta galactosidase. I. Isolation and composition of tryptic peptides.

Alkylation Amino Acid Sequence Amino Acids/analysis Aminopeptidases Arginine/analysis Carbon Isotopes Chromatography, Gel Electrophoresis Escherichia coli/enzymology Galactosidases/analysis Lysine/analysis Molecular Weight Peptides/analysis,isolation & purification Trypsin Tryptophan/analysis

Amino Acids Carbon Isotopes Peptides Tryptophan Arginine Galactosidases Aminopeptidases Trypsin Lysine