Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
CG33266NM_0787747227MEN1    menin    Menin1    CG13778    Mnn1   
CG33266NM_1647397227MEN1    menin    Menin1    CG13778    Mnn1   
CG33266NT_0337797227MEN1    menin    Menin1    CG13778    Mnn1   

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

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Text2Knowledge ... Yong Huang 2002