Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
zgc:55862BC0445177955MGC55862    Ctsb   
zgc:55862NM_2010557955Ctsb    MGC55862   

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

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Text2Knowledge ... Yong Huang 2002