MSH2 (MUTS HOMOLOG 2); ATP binding / damaged DNA binding. Identical to DNA mismatch repair protein MSH2 (MSH2) [Arabidopsis Thaliana] (GB:O24617;GB:Q9SQ60;GB:Q9ZR93); similar to MSH3 (ARABIDOPSIS HOMOLOG OF DNA MISMATCH REPAIR PROTEIN MSH3) [Arabidopsis thaliana] (TAIR:AT4G25540.1); similar to DNA mismatch repair protein MSH2 (MUS1) (GB:Q9XGC9); similar to unnamed protein product [Vitis vinifera] (GB:CAO68012.1); similar to DNA mismatch repair protein [Petunia x hybrida] (GB:AAT67044.1); contains InterPro domain DNA mismatch repair protein MutS, C-terminal; (InterPro:IPR000432); contains InterPro domain DNA mismatch repair protein, MSH2; (In