Amino Acid Sequence of the Light Chain from a Mouse Myeloma Protein with Anti-Hapten Activity: Evidence for a Third Type of Light Chain

AUTOR(ES)

Schulenburg, Elizabeth P.

RESUMO

A tentative amino acid sequence has been determined for the light chain of a mouse A-myeloma (MOPC-315) protein with anti-2,4-dinitrophenyl activity. An unusual amino acid sequence in the carboxyl-terminal 104 residues suggests that the chain represents a new class of immunoglobulin light chain. The “variable” segment of this chain (amino-terminal 110 residues) differs at only eight positions from the corresponding segment of the lambda chain of a mouse M-myeloma (MOPC-104) protein with anti-dextran activity.

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