Your Query returns 7 Accession Numbers:
Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
CG6988NM_1686147227PDI    Dpdi    EP(3)1022    protein disulfide isomerase   
CG6988NM_1686157227PDI    Dpdi    EP(3)1022    protein disulfide isomerase   
CG6988AE0035327227Pdi   
CG6988NM_0793557227PDI    Dpdi    EP(3)1022   
CG6988NM_1686137227PDI    Dpdi    EP(3)1022   
CG6988NM_1686147227PDI    Dpdi    EP(3)1022   
CG6988NT_0374367227PDI    Dpdi    EP(3)1022   

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

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Text2Knowledge ... Yong Huang 2002