DNA-binding protein RFXANK

Definition:

Activates transcription from class II MHC promoters. Activation requires the activity of the MHC class II transactivator/CIITA. May regulate other genes in the cell. RFX binds the X1 box of MHC-II promoters. May also potentiate the activation of RAF1 (By similarity).; Isoform 2 is not involved in the positive regulation of MHC class II genes.

References:

[1]. K Masternak, et al. A gene encoding a novel RFX-associated transactivator is mutated in the majority of MHC class II deficiency patients. Nat Genet. 1998 Nov;20(3):273-7. [Content Brief]

[2]. U M Nagarajan, et al. RFX-B is the gene responsible for the most common cause of the bare lymphocyte syndrome, an MHC class II immunodeficiency. Immunity. 1999 Feb;10(2):153-62. [Content Brief]

[3]. U M Nagarajan, et al. Novel mutations within the RFX-B gene and partial rescue of MHC and related genes through exogenous class II transactivator in RFX-B-deficient cells. J Immunol. 2000 Apr 1;164(7):3666-74. [Content Brief]

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