Your Query returns 11 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Cbx6NM_02876310090NPR    Npcd    D15Bwg0580e    1200009K17Rik    1700036C17Rik    5730406O18Rik    Nptxr   
Cbx6NM_03068910090NPR    Npcd    D15Bwg0580e    1200009K17Rik    1700036C17Rik    5730406O18Rik    Nptxr   
Cbx6BC05896210090NPR    1200009K17Rik    5730406O18Rik    D15Bwg0580e    Nptxr   
Cbx6BC04824010090NPR    1200009K17Rik    5730406O18Rik    D15Bwg0580e    Npcd    Nptxr   
CBX6BC0121119606
CBX6AY3697929598
CBX6AY3697939544
CBX6BC0649009606
CBX6AL0085839606
CBX6NM_0142929606
CBX6NT_0115209606

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

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Text2Knowledge ... Yong Huang 2002