Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Gnp1NM_01193710090Gnpi    GNPDA    oscillin    Gnpda1   
Gnp1BC01480010090GNPDA    oscillin    Gnpda1   
GNP1U216434932
GNP1U330574932
GNP1NC_0011364932

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

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Text2Knowledge ... Yong Huang 2002