Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
CELK07464NC_0032816239T28D6.9    pen-2   
CELK07464NM_0670586239T28D6.9    pen-2   

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

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Text2Knowledge ... Yong Huang 2002