Your Query returns 13 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
sdc2NM_1732237955cb440   
Sdc2NM_00830410090Hspg1    Synd2    syndecan-2    142460
Sdc2NW_04777810116
Sdc2NM_01308210116HSPG   
SDC2BC0498369606HSPG    HSPG1    SYND2    142460
SDC2BC0301339606HSPG    HSPG1    SYND2    142460
SDC2NM_0029989606HSPG    HSPG1    SYND2    142460
Sdc2NT_03962010090142460
Sdc2BC04714410090syndecan-2    142460
Sdc2BC00392910090syndecan-2    142460
SDC2NT_0080469606142460
SDC2AB1058119031
SDC2AB1153219031

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

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Text2Knowledge ... Yong Huang 2002