Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Hex-t2AE0037567227
Hex-t2NM_1702727227HK    Hex    CG5443    CG32849    Hexokinase   
Hex-t2NT_0337777227HK    Hex    CG5443    CG32849    Hexokinase   

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

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Text2Knowledge ... Yong Huang 2002