Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
spyM18_1959NC_003485186103pyrG   
spyM18_1959AE010100186103pyrG   

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

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Text2Knowledge ... Yong Huang 2002