Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
PROS-Dm25gNM_0796047227PRC3    CG5266    dalpha2    alpha2_dm    Proteosome    Pros25   
PROS-Dm25gNT_0337777227PRC3    CG5266    dalpha2    alpha2_dm    Proteosome    Pros25   

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

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Text2Knowledge ... Yong Huang 2002