Your Query returns 6 Accession Numbers:
Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
LC2NM_1704747227RLC    dro    MLC2    MRLC    MYL2    RLC2    Dmlc2    MLC-2    CG2184    DmMLC2    l(3)99Eb    dro MLC-2    Ifm(3)99Eb    Myosin LC2    Myosin Light Chain-2    Myosin Regulatory Light Chain    muscle-specific myosin regulatory light chain   
LC2NM_01156010090Tcte-3    Tctex2    Tctex-2    D17Leh117c    Tcte3   
LC2BC06113610090Tcte3   
LC2NM_0798477227RLC    MLC2    MRLC    MYL2    RLC2    Dmlc2    MLC-2    CG2184    DmMLC2    l(3)99Eb    Ifm(3)99Eb   
LC2NM_1704747227RLC    MLC2    MRLC    MYL2    RLC2    Dmlc2    MLC-2    CG2184    DmMLC2    l(3)99Eb    Ifm(3)99Eb   
LC2NT_0337777227RLC    MLC2    MRLC    MYL2    RLC2    Dmlc2    MLC-2    CG2184    DmMLC2    l(3)99Eb    Ifm(3)99Eb   

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

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Text2Knowledge ... Yong Huang 2002