1. A Novel Cytidine Deaminase Affects Antibody Diversity
Angelika Longacre, Ursula Storb 
Cell 
Volume 102, Issue 5, Pages (September 2000)
DOI: /S (00)

2. Figure 1 Ig Gene Class Switch Recombination
Example of switching from Cμ to Cε. S, switch region; the flags indicate transcription promoters.
Cell  , DOI: ( /S (00) )

3. Figure 2
Distribution of Mutations in Somatic Hypermutation of Ig Genes
Cell  , DOI: ( /S (00) )

4. Figure 3 Model of Somatic Hypermutation of Ig Genes
E, Ig enhancer; IEB, Ig enhancer binding proteins; MuF, mutator factor; pol, RNA polymerase; Fen1, flap endonuclease 1; x, mutation.
Cell  , DOI: ( /S (00) )