Figure 1.
A scheme of sets of murine VH genes and SAg reactivity. In many strains, genes from clan I and clan II are the source of most of the repertoire, whereas clan III represents a nonoverlapping set. Most clan III products interact with the Fab-binding site of SpA and also with LJ-26, a recombinant avian mAb. Each recognizes similar but nonidentical sets. These also identify S107-encoded antibodies, including those expressing the T15-specific VS107.1 rearrangement that generally display among the highest levels of SpA-binding affinity.
