Disease:A chromosomal aberration involving IRF4 may be a cause of multiple myeloma [MIM:254500]. Translocation t (6;14) (p25;q32) with the IgH locus. ,Function:Transcriptional activator. Binds to the interferon-stimulated response element (ISRE) of the MHC class I promoter. Binds the immunoglobulin lambda light chain enhancer , together with PU.1. Probably plays a role in ISRE-targeted signal transduction mechanisms specific to lymphoid cells. ,induction:Not induced by interferons. ,similarity:Belongs to the IRF family. ,similarity:Contains 1 tryptophan pentad repeat DNA-binding domain. ,subunit:Interacts with SPIB and DEF6. ,tissue specificity:Lymphoid cells. ,
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