Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
wu:fa11h08BC0472007955fa11h08    Orc1    zgc:55976   
wu:fa11h08NM_1999337955Orc1    fa11h08    zgc:55976   

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

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Text2Knowledge ... Yong Huang 2002