Your Query returns 5 Accession Numbers:
Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
PP1betaNC_0043547227PP1    PP-1    PP1c    PP19C    CG2096    CG15305    FLW/PP1B    PP1beta9C    l(1)G0172    Pp1beta-9C    flw   
PP1betaNM_0799997227PP1    PP-1    PP1c    PP19C    CG2096    CG15305    FLW/PP1B    PP1beta9C    l(1)G0172    Pp1beta-9C    flw   
PP1betaNM_1672297227PP1    PP-1    PP1c    PP19C    CG2096    CG15305    FLW/PP1B    PP1beta9C    l(1)G0172    Pp1beta-9C    flw   
PP1betaAF1904575693
PP1betaAF3171215693

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

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Text2Knowledge ... Yong Huang 2002