Your Query returns 22 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Orc1BC0472007955fa11h08    zgc:55976    wu:fa11h08   
Orc1NM_01101510090MmORC1    Orc1l   
ORC1BC0115399606HSORC1    PARC1    ORC1L   
ORC1NG_0006457227ORC    dORC1    DmORC1    CG10667    CT29856   
ORC1NM_0041539606PARC1    HSORC1    ORC1L   
Orc1NM_1999337955fa11h08    zgc:55976    wu:fa11h08   
ORC1NM_0579557227ORC    dORC1    DmORC1    CG10667   
ORC1NT_0337787227ORC    dORC1    DmORC1    CG10667   
ORC1Y188827227
Orc1AY0947807227
orc1AE00515164091VNG6150G   
orc1AF3732195833
ORC1U348604932
orc1AL0344634896orp1    SPBC29A10.15   
Orc1Y173955476
orc1AE00443864091VNG6150G   
orc1AF4174814577
orc1NC_00260864091
orc1NC_0034234896SPBC29A10.15    orp1   
ORC1AY0054578030
Orc1AE0038407227
ORC1NC_0011454932

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

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Text2Knowledge ... Yong Huang 2002