Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
MGC22652BC0239789606PEPCK1    PEPCKC    PCK1   
MGC22652NM_0025919606PEPCK1    PEPCKC    PCK1   

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

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Text2Knowledge ... Yong Huang 2002