Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
E2-17kDaBC0084709606HHR6B    RAD6B    UBC2    HR6B    UBE2B   
E2-17kDaBC0084049606HHR6B    RAD6B    UBC2    HR6B    UBE2B   
E2-17kDaBC0059799606HHR6B    RAD6B    UBC2    HR6B    UBE2B   
E2-17kDaNM_0033379606HR6B    UBC2    HHR6B    RAD6B    UBE2B   

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* OMIM link based on symbol match for human and mouse.

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Text2Knowledge ... Yong Huang 2002