Your Query returns 6 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
CD-MPRNM_01074910090Mpr46    M6pr   
CD-MPRNM_0023559606SMPR    MPR46    M6PR   
CD-MPRBC02721010090Mpr46    M6pr   
CD-MPRBC04695610090Mpr46    M6pr   
CD-MPRBC0242069606MPR46    SMPR    M6PR   
CD-MPRX6406810090

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

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Text2Knowledge ... Yong Huang 2002