ATP binding / damaged DNA binding. similar to MSH2 (MUTS HOMOLOG 2), ATP binding / damaged DNA binding [Arabidopsis thaliana] (TAIR:AT3G18524.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO38935.1); similar to Os05g0498300 [Oryza sativa (japonica cultivar-group)] (GB:NP_001055948.1); contains InterPro domain DNA mismatch repair protein MutS, C-terminal; (InterPro:IPR000432); contains InterPro domain DNA mismatch repair protein MutS, core; (InterPro:IPR007696)