Your Query returns 9 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
FKBP12.6NM_0168631009012.6kDa    Fkbp1b   
FKBP12.6BC0026149606FKBP1L    OTK4    PKBP1L    PPIase    FKBP9    FKBP1B   
FKBP12.6NM_0041169606OTK4    FKBP9    FKBP1L    PKBP1L    PPIase    FKBP1B   
FKBP12.6NM_0540339606OTK4    FKBP9    FKBP1L    PKBP1L    PPIase    FKBP1B   
FKBP12.6BC0495961009012.6kDa    Fkbp1b   
FKBP12.6BC0611211009012.6kDa    Fkbp1b   
FKBP12.6L370869606
FKBP12.6AB0748879031
FKBP12.6NM_2045679031

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

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Text2Knowledge ... Yong Huang 2002