Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
pros29NG_0001287227CG9327    CT26525    PROS-29    alpha3_dm    20S proteasome   
pros29NM_0573437227CG9327    PROS-29    alpha3_dm   
pros29NT_0337787227CG9327    PROS-29    alpha3_dm   
Pros29AY0841407227
Pros29AE0034527227

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

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Text2Knowledge ... Yong Huang 2002