This gene belongs to the HLA class I heavy chain paralogues. It encodes a non-classical heavy chain that forms a heterodimer with a beta-2 microglobulin light chain, with the heavy chain anchored in the membrane. Unlike most other HLA heavy chains, this molecule is localized in the endoplasmic reticulum and Golgi apparatus, with a small amount present at the cell surface in some cell types. It contains a divergent peptide-binding groove, and is thought to bind a restricted subset of peptides for immune presentation. This gene exhibits few polymorphisms. Multiple transcript variants encoding different isoforms have been found for this gene. These variants lack a coding exon found in transcripts from other HLA paralogues due to an altered splice acceptor site, resulting in a shorter cytoplasmic domain.
HLA-F; major histocompatibility complex, class I, F; HLA class I histocompatibility antigen, alpha chain F; alpha chain F; CDA12; HLA 5.4; HLA class I histocompatibility antigen; HLA F antigen; HLAF; HLAF_HUMAN; Leukocyte antigen F; MHC class I antigen F; HLA class I molecule; MHC class Ib antigen; HLA-5.4; HLA-CDA12
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Jabeen, A; Miranda-Sayago, JM; et al. Quantified Colocalization Reveals Heterotypic Histocompatibility Class I Antigen Associations on Trophoblast Cell Membranes: Relevance for Human Pregnancy. BIOLOGY OF REPRODUCTION 89:-(2013).