AUTHOR=Quiniou Sylvie M. A. , Clark Thomas , Bengtén Eva , Rast Jonathan P. , Ohta Yuko , Flajnik Martin , Boudinot Pierre TITLE=Extraordinary diversity of the CD28/CTLA4 family across jawed vertebrates JOURNAL=Frontiers in Immunology VOLUME=15 YEAR=2024 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2024.1501934 DOI=10.3389/fimmu.2024.1501934 ISSN=1664-3224