Автор |
Fischer Lindahl, Kirsten |
Автор |
Byers, Derek E. |
Автор |
Dabhi, Vikram M. |
Автор |
Hovik, Rolf |
Автор |
Jones, Elsy P. |
Автор |
Smith, Geoffrey P. |
Автор |
Wang, Chyung-Ru |
Автор |
Xiao, Hong |
Автор |
Yoshino, Masayasu |
Дата выпуска |
1997 |
dc.description |
▪ Abstract H2-M3 is an MHC class Ib molecule of the mouse with a unique preference for N-formylated peptides, which may come from the N-termini of endogenous, mitochondrial proteins or foreign, bacterial proteins. The crystal structure of M3 revealed a hydrophobic peptide-binding groove with an occluded A pocket and the peptide shifted one residue relative to class Ia structures. The formyl group is held by a novel hydrogen bonding network, involving His9 on the bottom of the groove, and the side chain of the P1 methionine is lodged in the B pocket. M3 is a full-service histocompatibility (H) antigen, i.e. self-M3 can present endogenous peptides as minor H antigens and foreign, bacterial antigens in a defensive immune response to infection; and foreign M3 complexed with endogenous self-peptides can be recognized as an alloantigen. The hydrophobic groove of M3 may also allow it to present nonpeptide ligands in the manner of human CD1. |
Формат |
application.pdf |
Издатель |
Annual Reviews |
Копирайт |
Annual Reviews |
Название |
H2-M3, A FULL-SERVICE CLASS Ib HISTOCOMPATIBILITY ANTIGEN <sup>1</sup> |
DOI |
10.1146/annurev.immunol.15.1.851 |
Print ISSN |
0732-0582 |
Журнал |
Annual Review of Immunology |
Том |
15 |
Первая страница |
851 |
Последняя страница |
879 |
Аффилиация |
Fischer Lindahl, Kirsten; Howard Hughes Medical Institute, Departments of Microbiology and Biochemistry, University of Texas Southwestern Medical Center, Dallas, Texas 75235-9050; e-mail: jharvey@howie.swmed.edu |