Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
hsp-27NM_079276722728    27K    HSP27    HSP28    hsp26    CG4466    Dhsp27    DmHsp27    hsp27/26   
hsp-27NT_037436722728    27K    HSP27    HSP28    hsp26    CG4466    Dhsp27    DmHsp27    hsp27/26   

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

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Text2Knowledge ... Yong Huang 2002