Your Query returns 6 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
MAT1-2X683985016
MAT1-2AF19486948490
mat1-2AF44039854734
MAT1-2AY1740495022
MAT1-2AY3578905457
MAT1-2AF508279162425

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

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Text2Knowledge ... Yong Huang 2002