Your Query returns 12 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
NG23BC0013589606C6orf26    MutSH5    MGC2939    MSH5   
NG23BC0410319606C6orf26    MutSH5    MGC2939    MSH5   
NG23BC0024989606C6orf26    MutSH5    MGC2939    MSH5   
NG23NM_0024419606MutSH5    C6orf26    MGC2939    MSH5   
NG23NM_0252599606MutSH5    C6orf26    MGC2939    MSH5   
NG23NM_1721659606MutSH5    C6orf26    MGC2939    MSH5   
NG23NM_1721669606MutSH5    C6orf26    MGC2939    MSH5   
NG23AF39703510090G7d   
NG23AF39703610090G7d   
NG23AP0005039606
NG23AP0005039606
Ng23BX88304510116

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

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Text2Knowledge ... Yong Huang 2002