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Molecular assay reagents intended to identify mutations in the ubiquitin protein ligase E3A (human papilloma virus E6-associated protein) (UBE3A) gene, located at chromosome 15q11-q13, which encodes for an E3 ubiquitin-protein ligase. UBE3A is one of many E3 ubiquitin ligases that provide target specificity for the polyubiquitination-initiated proteasomal degradation pathway. This inherited genetic mutation has been identified in patients with Angelman\'s syndrome.
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