Your Query returns 7 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
MGC2939BC0013589606C6orf26    NG23    MutSH5    MSH5   
MGC2939BC0410319606C6orf26    NG23    MutSH5    MSH5   
MGC2939BC0024989606C6orf26    NG23    MutSH5    MSH5   
MGC2939NM_0024419606NG23    MutSH5    C6orf26    MSH5   
MGC2939NM_0252599606NG23    MutSH5    C6orf26    MSH5   
MGC2939NM_1721659606NG23    MutSH5    C6orf26    MSH5   
MGC2939NM_1721669606NG23    MutSH5    C6orf26    MSH5   

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

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Text2Knowledge ... Yong Huang 2002