Your Query returns 13 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
PTP1BNM_01120110090PTP-1B    Ptpn1    176885
PTP1BBC0156609606PTPN1    176885
PTP1BBC0181649606PTPN1    176885
PTP1BNM_0028279606PTPN1    176885
PTP1BBC00572910090PTP-1B    Ptpn1    176885
PTP1BBC01019110090PTP-1B    Ptpn1    176885
PTP1BY144277955
ptp1bBC0492947955
ptp1bBC0546487955
PTP1BAF4550379823
ptp1bNM_1309247955
PTP1BU864109031
PTP1BNM_2048759031

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

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Text2Knowledge ... Yong Huang 2002