Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
PLC[[Beta]]NM_0575047227PLC    plc21    CG4574    plc-21    Plc21C   
PLC[[Beta]]NM_0575037227PLC    plc21    CG4574    plc-21    Plc21C   
PLC[[Beta]]NG_0002637227PLC    plc21    CG4574    plc-21    CT14752    Plc21C   

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

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Text2Knowledge ... Yong Huang 2002