Your Query returns 7 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
REG1ABC0053509606PSP    PSPS1    PTP    REG    PSPS    ICRF    MGC12447    P19    167770
REG1AAF1723319606167770
REG1AAY4197369606167770
REG1AAY4197379598
REG1AAY41973810090167770
REG1ANM_0029099606P19    PSP    PTP    REG    ICRF    PSPS    PSPS1    MGC12447    167770
REG1ANT_0221849606167770

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

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Text2Knowledge ... Yong Huang 2002