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. 2000 Feb 7;191(3):475–484. doi: 10.1084/jem.191.3.475

Figure 2.

Figure 2

Figure 2

Reduced frequency of VH gene somatic mutations in NP-specific memory B cells from bcl-2–transgenic mice. The frequency of mutations in VH186.2 genes from single, antigen-specific CD38+IgG1+ B cells was determined by nucleotide sequencing. Single cells were sorted from a pooled spleen preparation from each mouse strain using the criteria depicted in Fig. 1. All recovered sequences showed unique CDR3 junctions, indicating clonality. (B) Cumulative distribution of somatic mutations in control and bcl-2 NP-specific B cells. In both components of the figure, the number of sequences containing mutations giving rise to a tryptophan→leucine exchange at amino acid 33 (numbered according to reference 24) is depicted by the hatched segment of each column. Details of the sequences are summarized in Table . These sequence data are available from EMBL/GenBank/DDBJ under accession no. AF210258-AF210307.