The UNC5H family of netrin-1 receptors also contain death domains in their intracellular regions and function as dependence receptors. The cleavage site sequence DITD(S) found in UNC5H2 appears to be a classic caspase DXXD site and is conserved in UNC5H1 and UNC5H3 (DVAD(S) and DIID(S), respectively). UNC5H2, like DCC, is cleaved at Asp412 by caspase-3 or an unknown protease, but in contrast to DCC this results in the release of the death domain from the C-terminal region (Llambi et al. 2001).
cysteine-type endopeptidase activity of Caspase-3 [cytosol]
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