MSH2 Antibody

Code: CSB-PA015028XA01SVG

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Size:

0.1ml

0.1ml1ml

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Species Reactivity: Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast)

Raised in: Rabbit

Application: ELISA, WB (ensure identification of antigen)

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Target Background

Product Details

Uniprot NO.

P25847

Target Names

MSH2

Alternative Names

MSH2 antibody; YOL090W antibody; O0935 antibody; DNA mismatch repair protein MSH2 antibody; MutS protein homolog 2 antibody

Raised in

Rabbit

Species Reactivity

Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast)

Immunogen

Recombinant Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast) MSH2 protein

Conjugate

Non-conjugated

Isotype

IgG

Purification Method

Antigen Affinity Purified

Concentration

It differs from different batches. Please contact us to confirm it.

Buffer

Preservative: 0.03% Proclin 300
Constituents: 50% Glycerol, 0.01M PBS, pH 7.4

Tested Applications

ELISA, WB (ensure identification of antigen)

Lead Time

Made-to-order (14-16 weeks)
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.

Value-added Deliverables

① 200ug * antigen (positive control);
② 1ml * Pre-immune serum (negative control);

Quality Guarantee

① Antibody purity can be guaranteed above 90% by SDS-PAGE detection;
② ELISA titer can be guaranteed 1: 64,000;
③ WB validation with antigen can be guaranteed positive;

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Target Background

Function(From Uniprot)

Component of the post-replicative DNA mismatch repair system (MMR). Forms two different heterodimers: MutS alpha (MSH2-MSH6 heterodimer) and MutS beta (MSH2-MSH3 heterodimer), which bind to DNA mismatches thereby initiating DNA repair. MSH2 seems to act as a scaffold for the other MutS homologs that provide substrate-binding and substrate specificity. When bound, heterodimers bend the DNA helix and shield approximately 20 base pairs. MutS alpha acts mainly to repair base-base and single insertion-deletion mismatches that occur during replication, but can also repair longer insertion-deletion loops (IDLs), although with decreasing efficiency as the size of the extrahelical loop increases. MutS beta acts mainly to repair IDLs from 2 to 13 nucleotides in size, but can also repair base-base and single insertion-deletion mismatches. After mismatch binding, MutS alpha or beta form a ternary complex with a MutL heterodimer, which is thought to be responsible for directing the downstream MMR events, including strand discrimination, excision, and resynthesis. ATP binding and hydrolysis play a pivotal role in mismatch repair functions. Both subunits bind ATP, but with differing affinities, and their ATPase kinetics are also very different. MSH6 binds and hydrolyzes ATP rapidly, whereas MSH2 catalyzes ATP at a substantially slower rate. Binding to a mismatched base pair suppresses MSH6-catalyzed ATP hydrolysis, but not the activity of MSH2. ATP binding to both subunits is necessary to trigger a change in MutS alpha interaction with mismatched DNA, converting MutS alpha into a sliding clamp capable of hydrolysis-independent movement along DNA, and also facilitates formation of ternary complexes containing MutS and MutL proteins and the mismatch. MutS beta also has a role in regulation of heteroduplex formation during mitotic and meiotic recombination. MutS beta binds to DNA flap structures predicted to form during recombination, and is required for 3' non-homologous tail removal (NHTR). MutS beta-binding alters the DNA conformation of its substrate at the ds/ssDNA junction and may facilitate its recognition and/or cleavage by the downstream nucleotide excision repair (NER) RAD1-RAD10 endonuclease.

Gene References into Functions

MSH2 overexpression affected the integrity of the DNA replication fork, causing genome instability phenotypes. PMID:29654124
Msh2-Msh3 hops over nucleosomes and other protein roadblocks, but maintains sufficient contact with DNA to recognize a single lesion. Msh2-Msh6 slides without hopping and is largely blocked by protein roadblocks. PMID:26837705
By detecting Pol2 and Msh2 dynamics within the same strain, we established that the mismatch recognition complex binds origins and spreads to adjacent regions with the replisome. PMID:26684201
Disruption of cell-cycle elements upstream of MSH2 results in a defect in mismatch repair.DNA damaging agents incresase Msh2 turnover. PMID:23261051
Msh2 plays multiple roles in the formation of chromosomal translocations following acute levels of DNA damage PMID:19834615
Either Msh2p/Mlh1p-independent mispair removal leads to restoration of one of the markers flanking the double strand breaks. PMID:15654114
Required for efficient gene targeting and for possible role in mismatch recognition and repair. PMID:17113727
MSH2 acts in repair of base pair mismatch. PMID:17636021