Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Atrc3NM_00751510090CAT3    SLC7A1    SLC7A2    Slc7a3   
ATRC3BC0338169606FLJ14541    CAT-3    SLC7A3   
ATRC3NM_0328039606CAT-3    FLJ14541    SLC7A3   
Atrc3NM_01721710116Cat3    cat-3    Slc7a2    Slc7a3   

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

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Text2Knowledge ... Yong Huang 2002