Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
MGC23410BC0023879606NRP    NAP1    NAP1L    MGC8688    NAP1L1   
MGC23410NM_0045379606NRP    NAP1    NAP1L    MGC8688    NAP1L1   
MGC23410NM_1392079606NRP    NAP1    NAP1L    MGC8688    NAP1L1   

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

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Text2Knowledge ... Yong Huang 2002