Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
MGC15229BC0228749606CSHMT    MGC24556    SHMT1   
MGC15229BC0385989606CSHMT    MGC24556    SHMT1   
MGC15229BC0079799606CSHMT    MGC24556    SHMT1   
MGC15229NM_0041699606CSHMT    MGC24556    SHMT1   
MGC15229NM_1489189606CSHMT    MGC24556    SHMT1   

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

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Text2Knowledge ... Yong Huang 2002