Your Query returns 9 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
MMAC1NM_00896010090TEP1    Pten    601728
MMAC1BC0058219606BZS    MHAM    TEP1    PTEN1    MGC11227    PTEN    601728
MMAC1NM_0003149606BZS    MHAM    TEP1    PTEN1    MGC11227    PTEN    601728
MMAC1BC02144510090TEP1    Pten    601728
MMAC1NM_03160610116Mmac    TEP1    Pten   
MMAC1U924359615
MMAC1AF0231399606601728
MMAC1U924369606601728
MMAC1U9243710090601728

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

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Text2Knowledge ... Yong Huang 2002