Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Natural conservation of mutated 4-4-20 residues. Comparison of occurrence frequencies in mouse VH and VL κ genes of wild-type (abscissa) and mutation (ordinate) amino acid identities are shown. Frequencies were calculated at mutated sequence positions from statistics in the Kabat database (25).
