Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
IA-2/PTPBC0077139606IA-2    ICA512    R-PTP-N    IA2    PTPRN   
IA-2/PTPNM_0028469606IA2    IA-2    ICA512    R-PTP-N    PTPRN   
IA-2/PTPL189839606

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

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Text2Knowledge ... Yong Huang 2002