Your Query returns 7 Accession Numbers:
Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
choline acetyltransferaseAB0720007719
choline acetyltransferaseM960149606
choline acetyltransferaseM960159606
choline acetyltransferaseNG_0003957227Cat    cha    ChAT    dChAT    CG12345    CT23399    CT41182    l(3)91Cc   
choline acetyltransferaseM899179606
choline acetyltransferaseM899169606
choline acetyltransferaseX9275110116

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

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Text2Knowledge ... Yong Huang 2002