Your Query returns 13 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Plc21CAY0516577227
Plc21CAF533215129105
Plc21CAF5332247245
Plc21CNM_0575047227PLC    plc21    CG4574    plc-21    PLC[[Beta]]   
Plc21CNM_0575037227PLC    plc21    CG4574    plc-21    PLC[[Beta]]   
Plc21CNG_0002637227PLC    plc21    CG4574    plc-21    CT14752    PLC[[Beta]]   
Plc21CAE0035897227
Plc21CNM_0575037227PLC    plc21    CG4574    plc-21   
Plc21CNM_0575047227PLC    plc21    CG4574    plc-21   
Plc21CNM_2058827227PLC    plc21    CG4574    plc-21   
Plc21CNM_2058837227PLC    plc21    CG4574    plc-21   
Plc21CNM_2058847227PLC    plc21    CG4574    plc-21   
Plc21CNT_0337797227PLC    plc21    CG4574    plc-21   

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

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Text2Knowledge ... Yong Huang 2002