Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
UGT1*1AF1803729606GNT1    UGT1A1    UGT1   
UGT1*1AF3572209606UGT1   
UGT1*1NM_0004639606GNT1    UGT1    UDPGT    UGT1A    HUG-BR1    UGT1A1   
UGT1*1NG_0026019606UGT1A    GNT1    UGT1    HUG-BR1    UDPGT    UGT1A1   
UGT1*1D876749606

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

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Text2Knowledge ... Yong Huang 2002