Rnf4

Article summary

RING finger protein 4 (RNF4) / Small nuclear ring finger protein (SNURF) is a 190-amino acid protein that in humans is encoded by the RNF4 gene. The RNF4 gene contains 2 nuclear localization signals (NLS), 8 exons, and is approximately 47 kb in length, and weighs ~18 kDa (without isoforms or tags) The protein encoded by this gene contains a RING finger domain and acts as a transcription factor. This protein has been shown to interact with, and inhibit the activity of, TRPS1, a transcription suppressor of GATA-mediated transcription. This allows TRPS1-regulated genes to be expressed more. Transcription repressor ZNF278/PATZ1 is found to interact with this protein, and thus reduce the enhancement of androgen receptor-dependent transcription mediated by this protein. Studies of the mouse and rat counterparts suggested a role of this protein in spermatogenesis.

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