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Cited by 428

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GENERATION, TRANSLOCATION, AND PRESENTATION OF MHC CLASS I-RESTRICTED PEPTIDES

Heemels, Marie-Thérèse, Ploegh, Hidde·1995·Annual Review of Biochemistry

Abstract

The T lymphocytes of the vertebrate immune system look for changes that take place within the organism by examining a display of peptides at the cell surface. These peptides are presented by the products of the major histocompatibility complex (MHC). MHC class I products present peptides derived by proteolysis of cytosolic proteins by the multicatalytic protease, the proteasome. These peptides are translocated from the cytosol into the endoplasmic reticulum by a dedicated peptide transporter, the transporter associated with antigen presentation (TAP). TAP consists of two subunits, and translocates peptides that are approximately 8-12 residues in length. The COOH terminal residue of the peptide is a major determinant in the specificity of translocation. Following translocation, peptides bind to MHC class I molecules, which depend on the peptide ligand as well as on interactions with chaperonins for proper folding. These complexes then egress from the ER and are transported to their final destination, the cell surface.

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Crossref · 10.1146/annurev.bi.64.070195.002335

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Metadata

Authors
Heemels, M.-T., & Ploegh, H.
Venue
Annual Review of Biochemistry
Published
1995-06
Volume
64
Issue
1
Pages
463-491
ISSN
  • 0066-4154 (ISSN-L)
  • 1545-4509
OpenAlex
W2120580958
Cited by
428
References
0
FWCI
18.59
Type
journal article
Language
en
Open access
closed

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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