Divergent upstream protein, DNA mismatch repair protein, DNA mismatch repair protein Msh 3, DNA mismatch repair protein MSH3, DUC 1, DUC1, DUG, DUP, hMSH3, MGC163306, MGC163308, Mismatch repair protein 1, MRP 1, MRP1, MSH 3, MSH3, MSH3_HUMAN, MutS homolog 3 (E. coli), MutS homolog 3
Component of the post-replicative DNA mismatch repair system (MMR). Heterodimerizes with MSH2 to form MutS beta which binds to DNA mismatches thereby initiating DNA repair. When bound, the MutS beta heterodimer bends the DNA helix and shields approximately 20 base pairs. MutS beta recognizes large insertion-deletion loops (IDL) up to 13 nucleotides long. After mismatch binding, forms a ternary complex with the MutL alpha heterodimer, which is thought to be responsible for directing the downstream MMR events, including strand discrimination, excision, and resynthesis.
Applications
Suitable for use in Western Blot, Immunofluorescence/Immunocytochemistry and ELISA. Other applications not tested.
Recommended Dilution
Western Blot: 1:500-1:2000, incubate membrane with diluted primary antibody in TBS, 5% milk, 0.1% Tween 20 at 4°C with gentle shaking, overnight. Immunofluorescence (IF-IC): 1:100-1:500 ELISA (peptide): 1:20,000-1:40,000 Optimal dilutions to be determined by the researcher.
Storage and Stability
May be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Aliquots are stable for 12 months after receipt. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.
Immunogen
Synthetic peptide corresponding to MSH3 at N-terminal. Species sequence homology: Porcine (100%), Equine (100%), Sheep (100%), Rabbit (86%), Canine (88%)
Form
Supplied as a liquid in PBS, pH 7.4, 0.02% sodium azide, 50% glycerol.
Purity
Purified by immunoaffinity chromatography.
Specificity
Recognizes endogenous levels of total MSH3. Species Crossreactivity: Human, mouse and rat
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