Your Query returns 48 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
msh2AL0218394896SPBC24C6.12c    SPBC19G7.01c   
msh2AL0317864896SPBC19G7.01c    SPBC24C6.12c   
msh2NC_0034234896SPBC24C6.12c    SPBC19G7.01c   
Msh2NM_0788417227spel    SPEL1    CG4215    spel-1   
msh2NM_0797097227HOX    NK4    Tin    NK-4    msh-2    CG7895    DmNK-4    tin/NK4    DROHOXHK4    NK4/msh-2    NK-4/msh-2   
Msh2NM_1760447227spel    SPEL1    CG4215    spel-1   
msh2NT_0337777227HOX    NK4    Tin    NK-4    msh-2    CG7895    DmNK-4    tin/NK4    DROHOXHK4    NK4/msh-2    NK-4/msh-2   
Msh2NT_0337797227spel    SPEL1    CG4215    spel-1   
MSH2M841704932
MSH2AF0265493702
MSH2AF0027063702
MSH2AF0306345141
MSH2AY0269055691
MSH2AF1092433702
MSH2Z748324932
msh2AJ0069484896
MSH2AF33258228985
msh2AJ1316714565
Msh2NM_00862810090120435
MSH2L475819606120435
MSH2L475839606120435
MSH2L475829606120435
MSH2L475759606120435
MSH2L475769606120435
MSH2L475779606120435
MSH2L475789606120435
MSH2L475799606120435
MSH2L475809606120435
Msh2NW_04775510116
MSH2AY3444779606120435
MSH2BC0215669606COCA1    FCC1    HNPCC    HNPCC1    120435
MSH2AF0660819606120435
MSH2AJ00204927677
MSH2AJ0020509593
MSH2AJ0020519598
MSH2AJ0020529600
MSH2AJ00205357378
MSH2NM_0002519606FCC1    COCA1    HNPCC    HNPCC1    120435
Msh2AB01693310116
msh2X9359110116
Msh2NT_03965810090120435
msh2X8114310090120435
Msh2BC04711710090120435
Msh2BC05089710090120435
msh2AF4128337955
MSH2NT_0221849606120435
Msh2NM_03105810116
MSH2NC_0011474932PMS5   

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

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Text2Knowledge ... Yong Huang 2002