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Melanomas and a few cases of gliomas showed moderate cytoplasmic positivity. Remaining cancers were weakly stained or negative.
GENE INFORMATION
Gene name
RNF139 (HGNC Symbol)
Synonyms
HRCA1, RCA1, TRC8
Description
Ring finger protein 139 (HGNC Symbol)
Entrez gene summary
The protein encoded by this gene is a multi-membrane spanning protein containing a RING-H2 finger. This protein is located in the endoplasmic reticulum, and has been shown to possess ubiquitin ligase activity. This gene was found to be interrupted by a t(3:8) translocation in a family with hereditary renal and non-medulary thyroid cancer. Studies of the Drosophila counterpart suggested that this protein may interact with tumor suppressor protein VHL, as well as with COPS5/JAB1, a protein responsible for the degradation of tumor suppressor CDKN1B/P27KIP. [provided by RefSeq, Jul 2008]