Your Query returns 8 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
SMP30NM_00906010090Rgn    300212
SMP30NM_0046839606RC    RGN    300212
SMP30NM_1528699606RC    RGN    300212
SMP30BC01271010090Rgn    300212
SMP30U2893710090300212
SMP30U3217010090300212
SMP30AB11021610036
SMP30X6902110116

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

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Text2Knowledge ... Yong Huang 2002