Your Query returns 14 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Insig1NM_15352610090Insig-1    1810013C12Rik    602055
INSIG1BC0018809606CL-6    MGC1405    602055
INSIG1U968769606602055
INSIG1AY4008339606602055
INSIG1AY4008349598
INSIG1AY40083510090602055
INSIG1NM_0055429606CL-6    MGC1405    602055
INSIG1NM_1983369606CL-6    MGC1405    602055
INSIG1NM_1983379606CL-6    MGC1405    602055
Insig1NT_08075910090602055
insig1BC0453417955wu:fi35b10    fi35b10    zgc:55439    fb55a03    wu:fb55a03   
insig1NM_1998697955fb55a03    fi35b10    zgc:55439    wu:fb55a03    wu:fi35b10   
INSIG1NT_0348859606602055
INSIG1NT_0795969606602055

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

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Text2Knowledge ... Yong Huang 2002