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AB322511

Anti-MSH3 antibody [RM405] - BSA and Azide free

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Anti-MSH3 antibody [RM405] - BSA and Azide free (ab322511) is a rabbit monoclonal antibody detecting MSH3 in Western Blot, IHC-P. Suitable for Human, Mouse.

- KO validated for confirmed specificity
- Recombinant format for unrivalled batch-batch consistency

View Alternative Names

DUC1, DUG, MSH3, DNA mismatch repair protein Msh3, hMSH3, Divergent upstream protein, Mismatch repair protein 1, DUP, MRP1

3 Images
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-MSH3 antibody [RM405] - BSA and Azide free (AB322511)
  • IHC-P

Supplier Data

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-MSH3 antibody [RM405] - BSA and Azide free (AB322511)

This data was developed using ab275928, the same antibody clone in a different buffer formulation.

Formalin-fixed, paraffin-embedded human colon cancer tissue stained for MSH3 using ab275928 at 1/200 dilution in immunohistochemical analysis.

Western blot - Anti-MSH3 antibody [RM405] - BSA and Azide free (AB322511)
  • WB

Supplier Data

Western blot - Anti-MSH3 antibody [RM405] - BSA and Azide free (AB322511)

This data was developed using ab275928, the same antibody clone in a different buffer formulation.

All lanes:

Western blot - Anti-MSH3 antibody [RM405] (<a href='/en-us/products/primary-antibodies/msh3-antibody-rm405-ab275928'>ab275928</a>) at 1/800 dilution

All lanes:

HEK-293 (Human epithelial cell line from embryonic kidney) whole cell lysate

Predicted band size: 127 kDa

false

Western blot - Anti-MSH3 antibody [RM405] - BSA and Azide free (AB322511)
  • WB

Lab

Western blot - Anti-MSH3 antibody [RM405] - BSA and Azide free (AB322511)

This data was developed using ab275928, the same antibody clone in a different buffer formulation.

False colour image of Western blot : Anti-MSH3 antibody [RM405] staining at 1/1000 dilution, shown in green; Mouse anti-GAPDH antibody [6C5] (ab8245) loading control staining at 1/20000 dilution, shown in red. In Western blot, ab275928 was shown to bind specifically to MSH3. A band was observed at 140 kDa in wild-type A549 cell lysates with no signal observed at this size in MSH3 knockout cell line ab288875. To generate this image, wild-type and MSH3 knockout A549 cell lysates were analysed. First, samples were run on an SDS-PAGE gel then transferred onto a nitrocellulose membrane. Membranes were blocked in 5 % milk in TBS-0.1 % Tween® 20 (TBS-T) before incubation with primary antibodies overnight at 4 °C. Blots were washed four times in TBS-T, incubated with secondary antibodies for 1 h at room temperature, washed again four times then imaged. Secondary antibodies used were Goat anti-Rabbit IgG H&L 800CW and Goat anti-Mouse IgG H&L 680RD at 1/20000 dilution.

All lanes:

Western blot - Anti-MSH3 antibody [RM405] (<a href='/en-us/products/primary-antibodies/msh3-antibody-rm405-ab275928'>ab275928</a>) at 1/1000 dilution

Lane 1:

Wild-type A549 cell lysate at 20 µg

Lane 2:

MSH3 knockout A549 cell lysate at 20 µg

Lane 3:

HeLa cell lysate at 20 µg

Lane 4:

NIH/3T3 cell lysate at 20 µg

Secondary

All lanes:

Goat anti-Rabbit IgG H&L 800CW and Goat anti-Mouse IgG H&L 680RD at 1/20000 dilution

Predicted band size: 127 kDa

Observed band size: 140 kDa

false

Key facts

Host species

Rabbit

Clonality

Monoclonal

Clone number

RM405

Isotype

IgG

Carrier free

Yes

Reacts with

Human, Mouse

Applications

WB, IHC-P

applications

Immunogen

The exact immunogen used to generate this antibody is proprietary information.

Reactivity data

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Product details

ab322511 is the carrier-free version of ab275928

What is this antibody validated in?
Anti-MSH3 antibody [RM405] (ab275928) is a rabbit recombinant monoclonal antibody and is validated for use in Western Blot (WB), Immunohistochemistry (IHC-P) in Human, Mouse samples.

What is the molecular weight of MSH3?
Anti-MSH3 [RM405] (ab275928) specifically detects a band for MSH3 (UniProt: P20585) at a molecular weight of 127kDa.

Specificity confirmed
The specificity of Anti-MSH3 antibody [RM405] (ab275928) has been confirmed by Western blot testing in MSH3 Knockout A549 cell line, ab288875.

Properties and storage information

Form
Liquid
Purification technique
Affinity purification Protein A
Storage buffer
pH: 7.2 - 7.4 Constituents: PBS
Shipped at conditions
Blue Ice
Appropriate short-term storage conditions
+4°C
Appropriate long-term storage conditions
+4°C

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

The mutS homolog 3 (MSH3) protein plays an important role in DNA mismatch repair. It is part of the family of MutS proteins and is sometimes referred to by its gene name MSH3. MSH3 forms a heterodimer with MSH2 to create MutSβ. This complex targets insertion and deletion loops. The mass of MSH3 is approximately 127 kDa. Expression of MSH3 occurs in various tissues with high levels in the colon small intestine and testis.
Biological function summary

MSH3 contributes to genome stability by correcting DNA replication errors. As part of the MutSβ complex it identifies and initiates repair of insertion and deletion loops which helps maintain genomic integrity. In eukaryotes MSH3 along with its partner MSH2 cooperates with other proteins such as MLH1 and PMS2 to ensure proper mismatch repair. These interactions help to prevent mutations from becoming permanent.

Pathways

MSH3 participates in the DNA mismatch repair pathway important for maintaining genomic fidelity. It works closely with MSH2 to form MutSβ enhancing the repair of small loops. Another important association includes the MLH1-PMS2 complex within the mismatch repair pathways. This collaboration ensures errors in DNA during replication do not lead to genomic instability.

Mutations or malfunctioning of MSH3 have been associated with colorectal cancer and Lynch syndrome. Alterations in MSH3 can impair DNA repair processes contributing to cancer development. The MSH2 protein which pairs with MSH3 also plays a critical role in these disorders. Understanding MSH3 function helps illuminate its involvement in genetic stability and its impact on health.

Product protocols

For this product, it's our understanding that no specific protocols are required. You can visit:

Target data

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.
See full target information MSH3

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