Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
EcpnNM_01009810090ERO    Opn3    606695
ECPNAF4824269606NMO-1    ERO    OPN3    606695
ECPNBC0367739606ERO    NMO-1    PANOPSIN    OPN3    606695
ECPNBC0626229606ERO    NMO-1    PANOPSIN    OPN3    606695
ECPNNM_0143229606ERO    NMO-1    PANOPSIN    OPN3    606695

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

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Text2Knowledge ... Yong Huang 2002