Your Query returns 9 Accession Numbers:

Query Term	Accession	NCBI Taxonid	Synonyms	Phenotype (OMIM) *
Gcnt1	NM_010265	10090	IGnT B130048E03 C2 GlcNAcT 5630400D21Rik	600391
Gcnt1	NM_173442	10090	IGnT B130048E03 C2 GlcNAcT 5630400D21Rik	600391
Gcnt1	NW_047563	10116
GCNT1	NM_001490	9606	G6NT C2GNT NACGT2 NAGCT2 C2GNT-L	600391
GCNT1	NM_177510	9913
Gcnt1	NT_039687	10090		600391
Gcnt1	BC039126	10090	IGnT B130048E03	600391
GCNT1	NT_023935	9606		600391
Gcnt1	NM_022276	10116

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

Text2Knowledge ... Yong Huang 2002