1.
Science
; 255(5049): 1261-3, 1992 Mar 06.
Artículo
en Inglés
| MEDLINE
| ID: mdl-1546328
RESUMEN
Antigens recognized by T cells are expressed as peptides bound to major histocompatibility complex (MHC) molecules. Microcapillary high-performance liquid chromatography-electrospray ionization-tandem mass spectrometry was used to fractionate and sequence subpicomolar amounts of peptides isolated from the MHC molecule HLA-A2.1. Of 200 different species quantitated, eight were sequenced and four were found in cellular proteins. All were nine residues long and shared a distinct structural motif. The sensitivity and speed of this approach should enhance the analysis of peptides from small quantities of virally infected and transformed cells as well as those associated with autoimmune disease states.
Asunto(s)
Antígenos/metabolismo , Antígeno HLA-A2/metabolismo , Espectrometría de Masas , Péptidos/metabolismo , Secuencia de Aminoácidos , Antígenos/química , Antígenos/inmunología , Línea Celular , Cromatografía Líquida de Alta Presión , Humanos , Técnicas de Inmunoadsorción , Datos de Secuencia Molecular , Péptidos/química , Péptidos/inmunología , Linfocitos T/inmunología
2.
Biochem Genet
; 27(11-12): 755-9, 1989 Dec.
Artículo
en Inglés
| MEDLINE
| ID: mdl-2627200