Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Z4043NC_002655155864mutS   
Z4043AE005501155864mutS   
Z4043AE00517483334mutS   

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

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Text2Knowledge ... Yong Huang 2002