Ig-like domain-containing protein

ENSG00000289723, annotated as "novel T cell receptor alpha variable," encodes a protein categorized as an "Ig-like domain-containing protein" of 104 amino acids according to UniProt (A0A8V8TLY5)[3]. It is classified as a protein-coding gene but lacks experimental characterization or literature evidence supporting a specific therapeutic or biological role distinct from the well-annotated T cell receptor alpha variable (TRAV) gene segments. While it may participate in antigen recognition as part of the broader T cell receptor alpha chain variable region repertoire, there is no evidence for clinical relevance, disease association, or drug targeting specific to this entity[3][5]. The designation "novel" and the absence of aliases or literature suggest this is a predicted or low-confidence locus, likely included in databases due to automated genomic annotation and not manual curation or biological validation. Key Considerations: - The gene is labeled as a "novel" variant, implying uncertain function and lack of manual annotation[3]. - The structure and naming are highly generic, referring to a superfamily and not a validated individual gene or protein targeted in therapeutics[3]. - There is no evidence it is separately druggable or has approved therapies targeting it; most clinical and research focus is on the entire TCR complex, not single orphan variable segments[1][3][5]. This suggests that the entry is likely a low-confidence annotation or pseudogene without current significance as a therapeutic target, and the query probably refers to an automatically generated or poorly curated database entry rather than a biologically validated “target”[3].

Other names

Novel T cell receptor alpha variableENSG00000289723A0A8V8TLY5[3]