Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
GUCSB3BC0476209606GC-SB3    GUC1B3    GC-S-beta-1    GUCB3    GUCY1B3    139397
GUCSB3NM_0008579606GUCB3    GC-SB3    GUC1B3    GC-S-beta-1    GUCY1B3    139397

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

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Text2Knowledge ... Yong Huang 2002