Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
BcatmBC06179010116Bcat2   
BcatmNM_02240010116BCT2    mBcat    Bcat2   
BCATmU684189606
BCATmU6841710116
BCATmU6852610090

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

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Text2Knowledge ... Yong Huang 2002