PMID: 8462994Jan 1, 1993Paper

A novel coding sequence belonging to a new multicopy gene family mapping within the human MHC class I region

Immunogenetics
C VernetP Pontarotti

Abstract

The human major histocompatibility complex (MHC) region is a genomic region spanning about 4000 kilobases (kb) including the class I, class II, and class III subregions. The class I subregion is larger than the two others but with fewer genes described to date. It includes a) classical human leucocyte antigen (HLA) class I genes (HLA-A, HLA-B, HLA-C) which are highly polymorphic and encode products presenting the endogenous antigenic peptides to the T-cell receptors, and b) non-classical class I genes (HLA-E, HLA-F, HLA-G) whose function is still unknown. In this study, we describe the first coding sequence which is not structurally related to the class I genes, although it is localized within the MHC class I region. This novel gene, P5-1, belongs to a multiple copy family, all members of which map within the MHC. Although the P5-1 sequence showed no similarity to sequences in different databanks, its transcription, which is restricted to lymphoid tissues, argues for an immunological function of its product.

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Citations

Dec 1, 1994·Mammalian Genome : Official Journal of the International Mammalian Genome Society·P AvoustinP Pontarotti
Feb 1, 1994·Mammalian Genome : Official Journal of the International Mammalian Genome Society·C VernetP Pontarotti
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