HLA complex group 20 (non-protein coding RNA) (HCG20)

HLA complex group 20 (HCG20) is a human gene that encodes a **long non-coding RNA (lncRNA)** rather than a protein and is annotated as a non-coding RNA locus within the major histocompatibility complex (MHC) region of chromosome 6[7]. LncRNAs are generally involved in the regulation of gene expression at the transcriptional or post-transcriptional level, chromatin remodeling, and sometimes the modulation of neighboring gene loci[2][6]. However, there are currently **no data supporting a direct biological function, disease association, drug interaction, or established therapeutic relevance** for HCG20 specifically. This locus is not considered a protein-coding target, receptor, enzyme, transporter, or other established molecular therapeutic target. The entry is often confused with HLA protein-coding genes, but HCG20 is specifically a non-protein-coding RNA and should not be considered a therapeutic target such as a receptor or enzyme[7]. No disease role, interacting drugs, mechanism of action, or biomarker usage has been described for HCG20 as of current genomic annotation. “HLA complex group 20” or “HCG20” should not be confused with HLA class I or II genes, which encode antigen-presenting proteins[1][3][5]. If you require data for HLA receptors or protein-coding members of the HLA region, HCG20 is not appropriate.

Other names

AB023051.1NCRNA00149non-protein coding RNA 149