Article
Separate domains of AID are required for somatic hypermutation and class-switch recombination.
Nature immunology - 1 Jul 2004
Shinkura Reiko, Ito Satomi, Begum Nasim A, Nagaoka Hitoshi, Muramatsu Masamichi, Kinoshita Kazuo, Sakakibara Yoshimasa, Hijikata Hiroko, Honjo Tasuku
Abstract excerpt
Activation-induced cytidine deaminase (AID) is essential for class-switch recombination (CSR) and somatic hypermutation (SHM). Mutants with changes in the C-terminal region of AID retain SHM but lose CSR activity. Here we describe five mutants with alterations in the N-terminal region of AID that caused selective deficiency in SHM but retained CSR, suggesting that the CSR and SHM activities of AID may dissociate...
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