| Literature DB >> 23870141 |
T Sam Xiao1, Katherine A Fitzgerald.
Abstract
The nucleotidyl transferase cGAS, its second-messenger product cGAMP, and the cGAMP sensor STING form the basic mechanism of DNA sensing in the cytoplasm of mammalian cells. Several new reports now uncover key structural features associated with DNA recognition by cGAS and the catalytic mechanisms of cGAMP generation. Concurrent studies also reveal unique phosphodiester linkages in endogenous cGAMP that distinguish it from microbial cGAMP and other cyclic dinucleotides. Together, these studies provide a new perspective on DNA recognition in the innate immune system.Entities:
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Year: 2013 PMID: 23870141 PMCID: PMC3782533 DOI: 10.1016/j.molcel.2013.07.004
Source DB: PubMed Journal: Mol Cell ISSN: 1097-2765 Impact factor: 17.970