Your Query returns 32 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
top2BU496922336
TOP2BAF2229219823
Top2bNM_00940910090Top-2    126431
TOP2BAH0069959606126431
TOP2BAF0871439606126431
TOP2BAF0871449606126431
TOP2BAF0871459606126431
TOP2BAF0871469606126431
TOP2BAF0871479606126431
TOP2BAF0871489606126431
TOP2BAF0871499606126431
TOP2BAF0871509606126431
TOP2BAF0871519606126431
TOP2BAF0871529606126431
TOP2BAF0871539606126431
TOP2BAF0871549606126431
TOP2BAF0871559606126431
TOP2BAF0871569606126431
TOP2BAF0871579606126431
TOP2BAF0871589606126431
TOP2BAF0871599606126431
TOP2BAF0871609606126431
TOP2BAY4142349606126431
TOP2BAY4142359598
TOP2BAY41423610090126431
TOP2BNM_0010689606TOPIIB    126431
top2BD3804610090126431
Top2bNT_03959510090126431
Top2bBC05454110090126431
TOP2BBV0967329913
TOP2BAF2851569031
TOP2BNT_0225179606126431

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

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Text2Knowledge ... Yong Huang 2002