Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
reserved_name_mst2Z697954896mst2    SPAC17G8.13c   
reserved_name_mst2Z697954896SPAC17G8.13c   
reserved_name_mst2Z697954896SPAC17G8.13c   

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

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Text2Knowledge ... Yong Huang 2002