Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
G[[beta]] brainNM_1674697227Gbb    Gb13F    G-beta    dgbeta    CG10545    G-betab    clone 1.22    G-protein beta 13F    anon-EST:Liang-1.22    G protein beta subunit    Gbeta13F   
G[[beta]] brainNM_0803517227Gbb    Gb13F    G-beta    dgbeta    CG10545    G-betab    clone 1.22    G-protein beta 13F    anon-EST:Liang-1.22    G protein beta subunit    Gbeta13F   

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

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Text2Knowledge ... Yong Huang 2002