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Biochem Biophys Res Commun. 2000 Dec 20;279(2):482-6.

A novel RING finger-B box-coiled-coil protein, GERP.

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Division of Neuroscience, Brain Research Centre, Vancouver, British Columbia, V6T 1Z3, Canada.


The RING finger domain occurs in a wide variety of proteins involved in cellular regulation. The polymerase chain reaction was used to search for novel RING finger proteins, using primers derived from expressed sequence tags (ests). A cDNA encoding a novel RING finger protein expressed in brain, lung, breast, placenta, kidney, muscle, and germinal center B cells is described. The human gene is expressed in a variety of tumors, including anaplastic oligodendroglioma and maps to chromosome 10q24.3, a region showing frequent deletion or loss of heterozygosity in glioblastomas. It was therefore designated glioblastoma expressed RING finger protein (GERP). GERP contains an N-terminal RING finger, followed by two B-boxes and a coiled-coil, and thus belongs to the RBCC subfamily of RING finger proteins. The structure of this protein and its mapping to a locus thought to harbor tumor suppressor genes indicates that it may be a new tumor suppressor gene important in gliomas and other malignancies.

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