Your Query returns 7 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
np-1NM_1814977955znrp1    nrp1   
Np-1NM_01363210090Np    Np-2    Pnp   
NP-1NM_00873710090Nrp   
NP-1BC06012910090Nrp   
NP-1AF39473680265
Np-1M8456310090
np-1AB0887767955

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

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Text2Knowledge ... Yong Huang 2002