Article
Structural and functional analysis of the costimulatory receptor programmed death-1.
Immunity - 1 Mar 2004
Zhang Xuewu, Schwartz Jean-Claude D, Guo Xiaoling, Bhatia Sumeena, Cao Erhu, Lorenz Michael, Cammer Michael, Chen Lieping, Zhang Zhong-Yin, Edidin Michael A, Nathenson Stanley G, Almo Steven C
Abstract excerpt
PD-1, a member of the CD28/CTLA-4/ICOS costimulatory receptor family, delivers negative signals that have profound effects on T and B cell immunity. The 2.0 A crystal structure of the extracellular domain of murine PD-1 reveals an Ig V-type topology with overall similarity to the CTLA-4 monomer; however, there are notable differences in regions relevant to function. Our structural and biophysical data show that...
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