Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Z5856NC_002655155864pyrB   
Z5856AE005657155864pyrB   
Z5856AE00517483334pyrB   

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

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Text2Knowledge ... Yong Huang 2002