Your Query returns 9 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
TnxbNM_03117610090Tnx    600985
TNXBBC0337409606TNXB2    XBS    TNXB1    TNXBS    XB    TENX    HXBL    TNX    600985
TNXBAF0866419606600985
TNXBNM_0191059606XB    TNX    XBS    HXBL    TENX    TNXB1    TNXB2    TNXBS    600985
TNXBNM_0324709606XB    TNX    XBS    HXBL    TENX    TNXB1    TNXB2    TNXBS    600985
TnxbNT_03964910090600985
TnxbNT_03966210090600985
TNXBNT_0075929606XB    TNX    XBS    HXBL    TENX    TNXB1    TNXB2    TNXBS    600985
TNXBNG_0000139606XB    TNX    XBS    HXBL    TENX    TNXB1    TNXB2    TNXBS    600985

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

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Text2Knowledge ... Yong Huang 2002