Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
U00145NM_0804837227CAT    CATA    CATHPO    CG6871    DMCATHPO    catalase    DROCATHPO    l(3)neo26    bs36h11.y1   
U00145NT_0374367227CAT    CATA    CATHPO    CG6871    DMCATHPO    catalase    DROCATHPO    l(3)neo26    bs36h11.y1   
U00145U001457227
U00145U001457227
U00145U001457227

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

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Text2Knowledge ... Yong Huang 2002