[Rule of antibody structure: the primary structure of a human monoclonal IgA1-immunoglobulin (myeloma protein Tro), III. Isolation and characterization of the tryptic peptides of the H-chain (author's transl)]
- PMID: 104914
[Rule of antibody structure: the primary structure of a human monoclonal IgA1-immunoglobulin (myeloma protein Tro), III. Isolation and characterization of the tryptic peptides of the H-chain (author's transl)]
Abstract
The reduced and either aminothylated or carboxymethylated H-chain of the monoclonal IgA1 immunoglobulin Tro was digested with trypsin. The tryptic peptides were isolated by gel and ion-exchange chromatography. Because of different methods of alkylation, the cysteine-containing peptides could be obtained in two forms and showed additional overlaps. Sequence studies performed with these fragments elucidated the primary structure of the protein.
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