Your Query returns 21 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
CPN1BC0011429606COPN1    MGC1142    CPNE1    603103
CPN1NM_0039159606COPN1    MGC1142    CPNE1    603103
CPN1NM_0004979606FHI    CYP11B    P450C11    CYP11B1    603103
CPN1NM_1529259606COPN1    MGC1142    CPNE1    603103
CPN1NM_1529269606COPN1    MGC1142    CPNE1    603103
CPN1NM_1529279606COPN1    MGC1142    CPNE1    603103
CPN1NM_1529289606COPN1    MGC1142    CPNE1    603103
CPN1NM_1529299606COPN1    MGC1142    CPNE1    603103
CPN1NM_1529309606COPN1    MGC1142    CPNE1    603103
CPN1NM_1529319606COPN1    MGC1142    CPNE1    603103
Cpn1NW_04759210116
CPN1BC0278979606SCPN    CPN    603103
CPN1AY4046679606603103
CPN1AY4046689598
CPN1AY40466910090603103
CPN1NM_0013089606CPN    SCPN    603103
Cpn1NT_03969210090603103
Cpn1BC01469210090CPN    603103
CPN1NT_0300599606603103
Cpn1NM_03070310090CPN    0610011F20Rik    603103
Cpn1NM_05352610116Cpn   

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

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Text2Knowledge ... Yong Huang 2002