Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
ZC21.2NC_0032816239CELK06228    trp-1   
ZC21.2NM_0664806239CELK06228    trp-1   

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

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Text2Knowledge ... Yong Huang 2002