Your Query returns 21 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Gnb5NM_01031310090GBS    flr    hug    flail    Gbeta5    flailer    G beta 5    604447
Gnb5XM_34343310116
Gnb5NW_04779910116
GNB5BC0139979606GB5    DKFZP586O1922    604447
GNB5BC0116719606GB5    DKFZP586O1922    604447
GNB5AF3006509606604447
GNB5AY4199649606604447
GNB5AY4199659598
GNB5AY41996610090604447
GNB5AF5018859606604447
GNB5NM_0065789606GB5    DKFZP586O1922    604447
GNB5NM_0161949606GB5    DKFZP586O1922    604447
Gnb5U1315210036
Gnb5AF17449110090604447
Gnb5AF17604110090604447
Gnb5NT_03947410090604447
Gnb5BC01613510090GBS    hug    flail    flailer    Gbeta5    G beta 5    604447
Gnb5NM_13871910090GBS    flr    hug    flail    Gbeta5    flailer    G beta 5    604447
Gnb5AY55280310116
GNB5NT_0101949606604447
Gnb5NM_03177010116

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

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Text2Knowledge ... Yong Huang 2002