Your Query returns 7 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
gwt1AL1326754896SPAC144.10c   
Gwt1NM_1785179606FLJ37433    PIGW   
Gwt1NM_027388100902610044A17Rik    Pigw   
GWT1AB0924815476
GWT1AB0924825085
GWT1AB0925055207
GWT1NC_0011424932

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

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Text2Knowledge ... Yong Huang 2002