Bence-Jones immunoglobulin REI variable portion with seven point mutations
DIQMTQSPSSLSASVGDRVTITCRASQDIIKYLAWYQQKPGKAPKLLIYEASNLQAGVPSRFSGSGSGTDFTLTISSLQP EDFATYYCQQYQSLPYTFGQGTKLEIT
1.7 A structure of the stabilized REIv mutant T39K
immunoglobulin kappa-chains, recombinant, IMMUNE SYSTEM
DIQMTQSPSSLSASVGDRVTITCQASQDIIKYLNWYQQTPGKAPKLLIYEASNLQAGVPSRFSGSGSGTDYTFTISSLQP EDIATYYCQQYQSLPYTFGQGTKLQIT