Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Ubc7pNM_01980310090UBC7    D10Xrf369    1110003O05Rik    Ube2g2   
Ubc7pBC01032110090UBC7    Ube2g2   

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

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Text2Knowledge ... Yong Huang 2002