Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
CG18339NM_1677037227CG1596    CG1459    PP4    PPX    CG32505    PP4 19C    Protein phosphatase X    Pp4-19C   
CG18339NM_1767687227CG1596    CG1459    PP4    PPX    CG32505    PP4 19C    Protein phosphatase X    Pp4-19C   
CG18339NC_0043547227PP4    PPX    CG1459    CG1596    CG32505    Pp4-19C   
CG18339NM_0800647227PP4    PPX    CG1459    CG1596    CG32505    Pp4-19C   
CG18339NM_1677037227PP4    PPX    CG1459    CG1596    CG32505    Pp4-19C   

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

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Text2Knowledge ... Yong Huang 2002