Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
ST1A2NM_0010549606STP2    HAST4    P-PST    TSPST2    SULT1A2   
ST1A2NM_1775289606STP2    HAST4    P-PST    TSPST2    SULT1A2   

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

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Text2Knowledge ... Yong Huang 2002