Article
Processive AID-catalysed cytosine deamination on single-stranded DNA simulates somatic hypermutation.
Nature - 3 Jul 2003
Pham Phuong, Bransteitter Ronda, Petruska John, Goodman Myron F
Abstract excerpt
Activation-induced cytidine deaminase (AID) is a protein required for B cells to undergo class switch recombination and somatic hypermutation (SHM)--two processes essential for producing high-affinity antibodies. Purified AID catalyses the deamination of C to U on single-stranded (ss)DNA. Here, we show in vitro that AID-catalysed C deaminations occur preferentially on 5' WRC sequences in accord with SHM spectra...
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