The cytidine deaminase AID (encoded by Aicda in mice and AICDA in humans) is critical for immunoglobulin class-switch recombination (CSR) and somatic hypermutation (SHM). Here we show that AID ...
During immunoglobulin class-switch recombination (CSR), the cytidine deaminase AID induces double-strand breaks into transcribed, repetitive DNA elements called switch sequences. The mechanism that ...