Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

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Régnier, C.H. et al.

Presence of a new conserved domain in CART1, a novel member of the tumor necrosis factor receptor-associated protein family, which is expressed in breast carcinoma.

CART1, a novel human gene, encodes a putative protein exhibiting three main structural domains: first, a cysteine-rich domain located at the amino-terminal part of the protein, which corresponds to an unusual RING finger motif; second, an original cysteine-rich domain located at the core of the protein and constituted by three repeats of an HC3HC3 consensus motif that we designated the CART motif, and which might interact with nucleic acid; third, the carboxyl-terminal part of the CART1 protein corresponds to a TRAF domain known to be involved in protein-protein interactions. Similar association of RING, CART, and TRAF domain was observed in the human CD40-binding protein and in the mouse tumor necrosis factor (TNF) receptor- associated factor 2 ( TRAF2), both involved in signal transduction mediated by the TNF receptor family and in the developmentally regulated Dictyostelium discoideum DG17 protein. CART1 is specifically expressed by epithelial cells in breast carcinomas and metastases. Moreover, in these malignant cells, the CART1 protein is localized in the nucleus. Altogether, these observations indicate that CART1 may be involved in TNF-related cytokine signal transduction in breast carcinoma.[1]

References

Presence of a new conserved domain in CART1, a novel member of the tumor necrosis factor receptor-associated protein family, which is expressed in breast carcinoma. Régnier, C.H., Tomasetto, C., Moog-Lutz, C., Chenard, M.P., Wendling, C., Basset, P., Rio, M.C. J. Biol. Chem. (1995) [Pubmed]

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