O00287.1
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UniProt Primary Accession #
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UniProt Secondary Accession #
UniProt Related Accession #
NCBI Official Full Name
Regulatory factor X-associated protein
NCBI Official Synonym Full Names
regulatory factor X associated protein
NCBI Protein Information
regulatory factor X-associated protein
UniProt Protein Name
Regulatory factor X-associated protein
UniProt Synonym Protein Names
RFX DNA-binding complex 36 kDa subunit
UniProt Synonym Gene Names
NCBI Summary for RFXAP
Major histocompatibility (MHC) class II molecules are transmembrane proteins that have a central role in development and control of the immune system. The protein encoded by this gene, along with regulatory factor X-associated ankyrin-containing protein and regulatory factor-5, forms a complex that binds to the X box motif of certain MHC class II gene promoters and activates their transcription. Once bound to the promoter, this complex associates with the non-DNA-binding factor MHC class II transactivator, which controls the cell type specificity and inducibility of MHC class II gene expression. Mutations in this gene have been linked to bare lymphocyte syndrome type II, complementation group D. Transcript variants utilizing different polyA signals have been found for this gene. [provided by RefSeq, Jul 2008]
UniProt Comments for RFXAP
RFXAP: Part of the RFX complex that binds to the X-box of MHC II promoters. Defects in RFXAP are a cause of bare lymphocyte syndrome type 2 (BLS2); also known as hereditary MHC class II deficiency or HLA class II-deficient combined immunodeficiency. BLS2 is a severe combined immunodeficiency disease with early onset. It is characterized by a profound defect in constitutive and interferon-gamma induced MHC II expression, absence of cellular and humoral T-cell response to antigen challenge, hypogammaglobulinemia and impaired antibody production. The consequence include extreme susceptibility to viral, bacterial and fungal infections.
Protein type: DNA-binding
Chromosomal Location of Human Ortholog: 13q13.3
Cellular Component: nuclear speck; nucleus
Molecular Function: DNA binding; transcription coactivator activity
Biological Process: positive regulation of transcription, DNA-dependent
Disease: Bare Lymphocyte Syndrome, Type Ii
Research Articles on RFXAP
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Pathways associated with anti-RFXAP antibody
Diseases associated with anti-RFXAP antibody
Organs/Tissues associated with anti-RFXAP antibody
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