Polyubiquitination (PEST) N-terminal domain of MAGUK
SMART accession number:SM01277
Description: The residues upstream of this domain are the probable palmitoylation sites, particularly two cysteines. The domain has a putative PEST site at the very start that seems to be responsible for poly-ubiquitination PMID:8755249. PEST domains are polypeptide sequences enriched in proline (P), glutamic acid (E), serine (S) and threonine (T) that target proteins for rapid destruction. The whole domain, in conjunction with a C-terminal domain of the longer protein, is necessary for dimerisation of the whole protein PMID:18215622.
Family alignment:
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There are 751 MAGUK_N_PEST domains in 750 proteins in SMART's nrdb database.

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