Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
PTPN22BC0177859606Lyp1    Lyp2    LYP    606986
PTPN22NM_0159679606LYP    Lyp1    Lyp2    606986
PTPN22NM_0124119606LYP    Lyp1    Lyp2    606986
PTPN22NT_0192739606606986

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

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Text2Knowledge ... Yong Huang 2002