Anti-MLH1 antibody [EPR26314-1] - BSA and Azide free (ab315012)

Knockout Tested Rabbit Recombinant Monoclonal MLH1 antibody. Carrier free. Suitable for WB, IHC-P, Flow Cyt (Intra), ICC/IF and reacts with Human, Mouse, Rat samples.

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Images

Flow Cytometry (Intracellular) - Anti-MLH1 antibody [EPR26314-1] - BSA and Azide free (AB315012), expandable thumbnail

Key facts

Isotype: IgG
Host species: Rabbit
Storage buffer: pH: 7.2 - 7.4
Constituents: 100% PBS
Form: Liquid
Clonality: Monoclonal

Immunogen

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

Reactivity data

Select an application

Product promiseTestedExpectedPredictedNot recommended

	WB	IHC-P	Flow Cyt (Intra)	ICC/IF	IP
Human	Tested	Tested	Expected	Expected	Not recommended
Mouse	Tested	Tested	Tested	Tested	Not recommended
Rat	Tested	Tested	Expected	Expected	Not recommended

Tested
Tested

Species	Dilution info	Notes
Species Human, Mouse, Rat	Dilution info -	Notes -

Tested
Tested

Species	Dilution info	Notes
Species Human	Dilution info -	Notes Perform heat-mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.
Species Mouse	Dilution info -	Notes Perform heat-mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.
Species Rat	Dilution info -	Notes Perform heat-mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.

Tested
Tested

Species	Dilution info	Notes
Species Mouse	Dilution info -	Notes -

Expected
Expected

Species	Dilution info	Notes
Species Human, Rat	Dilution info Use at an assay dependent concentration.	Notes -

Tested
Tested

Species	Dilution info	Notes
Species Mouse	Dilution info -	Notes -

Expected
Expected

Species	Dilution info	Notes
Species Human, Rat	Dilution info Use at an assay dependent concentration.	Notes -

Not recommended
Not recommended

Species	Dilution info	Notes
Species Mouse, Human, Rat	Dilution info -	Notes -

Associated Products

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1 product for Alternative Version

Target data

See full target information Mlh1

Function

Heterodimerizes with Pms2 to form MutL alpha, a component of the post-replicative DNA mismatch repair system (MMR). DNA repair is initiated by MutS alpha (Msh2-Msh6) or MutS beta (MSH2-MSH3) binding to a dsDNA mismatch, then MutL alpha is recruited to the heteroduplex. Assembly of the MutL-MutS-heteroduplex ternary complex in presence of RFC and PCNA is sufficient to activate endonuclease activity of Pms2. It introduces single-strand breaks near the mismatch and thus generates new entry points for the exonuclease EXO1 to degrade the strand containing the mismatch. DNA methylation would prevent cleavage and therefore assure that only the newly mutated DNA strand is going to be corrected. MutL alpha (Mlh1-Pms2) interacts physically with the clamp loader subunits of DNA polymerase III, suggesting that it may play a role to recruit the DNA polymerase III to the site of the MMR. Also implicated in DNA damage signaling, a process which induces cell cycle arrest and can lead to apoptosis in case of major DNA damages. Heterodimerizes with Mlh3 to form MutL gamma which plays a role in meiosis (By similarity).

Alternative names

DNA mismatch repair protein Mlh1, MutL protein homolog 1, Mlh1

Recommended products

Knockout Tested Rabbit Recombinant Monoclonal MLH1 antibody. Carrier free. Suitable for WB, IHC-P, Flow Cyt (Intra), ICC/IF and reacts with Human, Mouse, Rat samples.

Key facts

Isotype: IgG
Host species: Rabbit
Storage buffer: pH: 7.2 - 7.4
Constituents: 100% PBS
Form: Liquid
Clonality: Monoclonal
Immunogen: The exact immunogen used to generate this antibody is proprietary information.
Carrier free: Yes
Clone number: EPR26314-1
Purification technique: Affinity purification Protein A
Concentration

Storage

Shipped at conditions: Blue Ice
Appropriate short-term storage conditions: +4°C
Appropriate long-term storage conditions: +4°C

Notes

ab315012 is the carrier-free version of Anti-MLH1 antibody [EPR26314-1] ab315011.

Our RabMAb® technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to RabMAb® patents.

This product is a recombinant monoclonal antibody, which offers several advantages including:

- High batch-to-batch consistency and reproducibility
- Improved sensitivity and specificity
- Long-term security of supply
- Animal-free batch production

For more information, read more on recombinant antibodies.

Our carrier-free antibodies are typically supplied in a PBS-only formulation, purified and free of BSA, sodium azide and glycerol. The carrier-free buffer and high concentration allow for increased conjugation efficiency.

This conjugation-ready format is designed for use with fluorochromes, metal isotopes, oligonucleotides, and enzymes, which makes them ideal for antibody labelling, functional and cell-based assays, flow-based assays (e.g. mass cytometry) and Multiplex Imaging applications.

Use our conjugation kits for antibody conjugates that are ready-to-use in as little as 20 minutes with 1 minute hands-on-time and 100% antibody recovery: available for fluorescent dyes, HRP, biotin and gold.

This product is compatible with the Maxpar^® Antibody Labeling Kit from Fluidigm, without the need for antibody preparation. Maxpar^® is a trademark of Fluidigm Canada Inc.

Supplementary info

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

Activity summary

MLH1 also known as MutL homolog 1 is a protein involved in DNA mismatch repair an important mechanism for maintaining genetic stability. It has a molecular weight of approximately 87 kDa. This protein is expressed in various tissues but is most abundant in the colonic epithelium and endometrium. MLH1 acts mechanically by forming heterodimers with other proteins collaborating in correcting errors that occur during DNA replication.

Biological function summary

The function of MLH1 involves its role in the mismatch repair (MMR) system. It is part of a complex with PMS2 forming a heterodimer known as MutLα which is essential for the repair process. This complex scans newly synthesized DNA for mispaired bases and initiates repair preserving genomic integrity. The proper function of MLH1 and its interaction with PMS2 ensures that DNA replication errors do not accumulate and cause harmful mutations.

Pathways

MLH1 operates within the mismatch repair pathway and interacts closely with MLH3 and PMS2 proteins. It plays a critical role in the recognition and repair of mismatched bases that occur during DNA replication particularly in the G2 phase of the cell cycle. Through its involvement in the mismatch repair pathway MLH1 is connected to cell cycle regulation and the DNA damage response pathway.

Associated diseases and disorders

MLH1 mutations are closely linked to Lynch syndrome and sporadic colorectal cancer. Lynch syndrome a hereditary condition significantly raises the risk of colorectal cancer and other cancers due to defective DNA mismatch repair. MLH1 mutations often lead to the loss of MLH1 protein expression particularly observed in MLH1 IHC staining. Additionally in colorectal cancer the MLH1 protein may interact with APC and TP53 playing a role in cancer progression and tumorigenesis.

Product promise

We are dedicated to supporting your work with high quality reagents and we are here for you every step of the way should you need us.

In the unlikely event of one of our products not working as expected, you are covered by our product promise.

Full details and terms and conditions can be found here:
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12 product images

Flow Cytometry (Intracellular) - Anti-MLH1 antibody [EPR26314-1] - BSA and Azide free (ab315012)
This data was developed using Anti-MLH1 antibody [EPR26314-1] ab315011, the same antibody clone in a different buffer formulation.
Flow cytometric analysis of 4% paraformaldehyde fixed 90% methanol permeabilized NIH/3T3 (mouse embryonic fibroblast) cells labelling MLH1 with Anti-MLH1 antibody [EPR26314-1] ab315011 at 1/50 dilution (1 ug) (Red) compared with a Rabbit monoclonal IgG (Rabbit IgG, monoclonal [EPR25A] - Isotype Control ab172730) (Black) isotype control and an unlabelled control (cells without incubation with primary antibody and secondary antibody) (Blue). A Goat Anti-Rabbit IgG (Alexa Fluor® 488, Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) preadsorbed ab150081) at 1/5000 dilution was used as the secondary antibody.
Western blot - Anti-MLH1 antibody [EPR26314-1] - BSA and Azide free (ab315012)
This data was developed using Anti-MLH1 antibody [EPR26314-1] ab315011, the same antibody clone in a different buffer formulation.
Blocking and diluting buffer and concentration: 5% NFDM/TBST.
Lysate was freshly made and used for Western blotting immediately to minimize protein degradation.
The identity of the lower MW bands below 50kDa are unknown.
In Western blot, Anti-GAPDH antibody [EPR16891] - Loading Control (Anti-GAPDH antibody [EPR16891] - Loading Control ab181602) staining at 1/200000 dilution.
All lanes: Western blot - Anti-MLH1 antibody [EPR26314-1] (Anti-MLH1 antibody [EPR26314-1] ab315011) at 1/1000 dilution
All lanes: Rat spleen tissue lysate at 20 µg
Secondary
All lanes: Western blot - Goat Anti-Rabbit IgG H&L (HRP) (Goat Anti-Rabbit IgG H&L (HRP) ab97051) at 1/20000 dilution
Observed band size: 84 kDa, 36 kDa
Exposure time: 180s
Immunocytochemistry/ Immunofluorescence - Anti-MLH1 antibody [EPR26314-1] - BSA and Azide free (ab315012)
This data was developed using Anti-MLH1 antibody [EPR26314-1] ab315011, the same antibody clone in a different buffer formulation
Immunofluorescent analysis of 4% Paraformaldehyde-fixed, 0.1% TritonX-100 permeabilized NIH/3T3 (mouse embryonic fibroblast) cells labelling MLH1 with Anti-MLH1 antibody [EPR26314-1] ab315011 at 1/50 (10.16 ug/ml) dilution, followed by Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) preadsorbed ab150081 Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) preadsorbed antibody at 1/1000 (2 ug/mL) dilution (Green). Confocal image showing nuclear staining in NIH/3T3 cell line. Image was taken with a confocal microscope (Leica-Microsystems, TCS SP8). Alexa Fluor® 594 Anti-alpha Tubulin antibody [DM1A] - Microtubule Marker ab195889 Anti-alpha Tubulin mouse monoclonal antibody - Microtubule Marker (Alexa Fluor® 594) was used to counterstain tubulin at 1/200 (2.5 ug/mL)dilution (Red). The Nuclear counterstain was DAPI (Blue).
Secondary antibody only control: Secondary antibody is Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) preadsorbed ab150081 Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) preadsorbed at 1/1000 (2 ug/mL) dilution.
Western blot - Anti-MLH1 antibody [EPR26314-1] - BSA and Azide free (ab315012)
This data was developed using Anti-MLH1 antibody [EPR26314-1] ab315011, the same antibody clone in a different buffer formulation.
Blocking and diluting buffer and concentration: 5% NFDM/TBST.
Negative control: HCT 116 (PMID:23653048).
In Western blot, Anti-MLH1 antibody [EPR26314-1] ab315011 was shown to bind specifically to MLH1. A band was observed at 84 kDa in wild-type Hela cell lysates with whereas no signal observed at this size in MLH1 knockout cell line Human MLH1 knockout HeLa cell line ab267223 (knockout cell lysate Human MLH1 knockout HeLa cell lysate ab257172).
The identity of the lower MW bands below 50kDa are unknown.
In Western blot, Anti-GAPDH antibody [EPR16891] - Loading Control (Anti-GAPDH antibody [EPR16891] - Loading Control ab181602) staining at 1/200000 dilution.
Exposure time: Lanes 1-4: 59 seconds; lanes 5-7: 180 seconds.
All lanes: Western blot - Anti-MLH1 antibody [EPR26314-1] (Anti-MLH1 antibody [EPR26314-1] ab315011) at 1/1000 dilution
Lane 1: Wild-type HeLa (human cervical adenocarcinoma epithelial cell) whole cell lysate at 20 µg
Lane 2: MLH1 knockout HeLa whole cell lysate at 20 µg
Lane 3: Jurkat (human T cell leukemia T lymphocyte) whole cell lysate at 20 µg
Lane 4: HCT116 (human colorectal carcinoma epithelial cell) whole cell lysate at 20 µg
Lane 5: C2C12 (mouse myoblasts myoblast) whole cell lysate at 20 µg
Lane 6: ES-D3 (mouse embryonic pluripotent stem Cell) whole cell lysate at 20 µg
Lane 7: NIH/3T3 (mouse embryonic fibroblast) whole cell lysate at 20 µg
Secondary
All lanes: Western blot - Goat Anti-Rabbit IgG H&L (HRP) (Goat Anti-Rabbit IgG H&L (HRP) ab97051) at 1/20000 dilution
Performed under reducing conditions.
Observed band size: 84 kDa, 36 kDa
Western blot - Anti-MLH1 antibody [EPR26314-1] - BSA and Azide free (ab315012)
This data was developed using Anti-MLH1 antibody [EPR26314-1] ab315011, the same antibody clone in a different buffer formulation.
Blocking and diluting buffer and concentration: 5% NFDM/TBST,
Low expression: skeletal muscle.
In Western blot, Anti-GAPDH antibody [EPR16891] - Loading Control (Anti-GAPDH antibody [EPR16891] - Loading Control ab181602) staining at 1/200000 dilution.
All lanes: Western blot - Anti-MLH1 antibody [EPR26314-1] (Anti-MLH1 antibody [EPR26314-1] ab315011) at 1/1000 dilution
Lane 1: Mouse testis tissue lysate at 20 µg
Lane 2: Mouse colon tissue lysate at 20 µg
Lane 3: Mouse thymus tissue lysate at 20 µg
Lane 4: Mouse skeletal muscle tissue lysate at 20 µg
Secondary
All lanes: Western blot - Goat Anti-Rabbit IgG H&L (HRP) (Goat Anti-Rabbit IgG H&L (HRP) ab97051) at 1/20000 dilution
Observed band size: 84 kDa, 36 kDa
Exposure time: 180s
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-MLH1 antibody [EPR26314-1] - BSA and Azide free (ab315012)
This data was developed using Anti-MLH1 antibody [EPR26314-1] ab315011, the same antibody clone in a different buffer formulation.
Immunohistochemical analysis of paraffin-embedded Rat testis tissue labeling MLH1 with Anti-MLH1 antibody [EPR26314-1] ab315011 at 1/500 (1.016 ug/ml) followed by a ready to use Rabbit specific IHC polymer detection kit HRP/DAB (Rabbit specific IHC polymer detection kit HRP/DAB ab209101). Positive staining on rat testis. The section was incubated with Anti-MLH1 antibody [EPR26314-1] ab315011 for 30 mins at room temperature. The immunostaining was performed on a Leica Biosystems BOND® RX instrument. Incubate slides with 3% Hydrogen Peroxide for 10 mins at room temperature after secondary antibody incubation to reduce the background. Counterstained with Hematoxylin.
Secondary antibody only control: Secondary antibody is a ready to use Rabbit specific IHC polymer detection kit HRP/DAB (Rabbit specific IHC polymer detection kit HRP/DAB ab209101).
Heat mediated antigen retrieval was performed with Tris-EDTA buffer (pH 9.0, Epitope Retrieval Solution2) for 20 mins.
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-MLH1 antibody [EPR26314-1] - BSA and Azide free (ab315012)
This data was developed using Anti-MLH1 antibody [EPR26314-1] ab315011, the same antibody clone in a different buffer formulation.
Immunohistochemical analysis of paraffin-embedded Rat spleen tissue labeling MLH1 with Anti-MLH1 antibody [EPR26314-1] ab315011 at 1/500 (1.016 ug/ml) followed by a ready to use Rabbit specific IHC polymer detection kit HRP/DAB (Rabbit specific IHC polymer detection kit HRP/DAB ab209101). Positive staining on rat spleen. The section was incubated with Anti-MLH1 antibody [EPR26314-1] ab315011 for 30 mins at room temperature. The immunostaining was performed on a Leica Biosystems BOND® RX instrument. Incubate slides with 3% Hydrogen Peroxide for 10 mins at room temperature after secondary antibody incubation to reduce the background. Counterstained with Hematoxylin.
Secondary antibody only control: Secondary antibody is a ready to use Rabbit specific IHC polymer detection kit HRP/DAB (Rabbit specific IHC polymer detection kit HRP/DAB ab209101).
Heat mediated antigen retrieval was performed with Tris-EDTA buffer (pH 9.0, Epitope Retrieval Solution2) for 20 mins.
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-MLH1 antibody [EPR26314-1] - BSA and Azide free (ab315012)
This data was developed using Anti-MLH1 antibody [EPR26314-1] ab315011, the same antibody clone in a different buffer formulation.
Immunohistochemical analysis of paraffin-embedded Mouse breast cancer tissue labeling MLH1 with Anti-MLH1 antibody [EPR26314-1] ab315011 at 1/500 (1.016 ug/ml) followed by a ready to use Rabbit specific IHC polymer detection kit HRP/DAB (Rabbit specific IHC polymer detection kit HRP/DAB ab209101). Positive staining on mouse breast cancer. The section was incubated with Anti-MLH1 antibody [EPR26314-1] ab315011 for 30 mins at room temperature. The immunostaining was performed on a Leica Biosystems BOND® RX instrument. Incubate slides with 3% Hydrogen Peroxide for 10 mins at room temperature after secondary antibody incubation to reduce the background. Counterstained with Hematoxylin.
Secondary antibody only control: Secondary antibody is a ready to use Rabbit specific IHC polymer detection kit HRP/DAB (Rabbit specific IHC polymer detection kit HRP/DAB ab209101).
Heat mediated antigen retrieval was performed with Tris-EDTA buffer (pH 9.0, Epitope Retrieval Solution2) for 20 mins.
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-MLH1 antibody [EPR26314-1] - BSA and Azide free (ab315012)
This data was developed using Anti-MLH1 antibody [EPR26314-1] ab315011, the same antibody clone in a different buffer formulation.
Immunohistochemical analysis of paraffin-embedded Mouse testis tissue labeling MLH1 with Anti-MLH1 antibody [EPR26314-1] ab315011 at 1/500 (1.016 ug/ml) followed by a ready to use Rabbit specific IHC polymer detection kit HRP/DAB (Rabbit specific IHC polymer detection kit HRP/DAB ab209101). Positive staining on mouse testis. The section was incubated with Anti-MLH1 antibody [EPR26314-1] ab315011 for 30 mins at room temperature. The immunostaining was performed on a Leica Biosystems BOND® RX instrument. Incubate slides with 3% Hydrogen Peroxide for 10 mins at room temperature after secondary antibody incubation to reduce the background. Counterstained with Hematoxylin.
Secondary antibody only control: Secondary antibody is a ready to use Rabbit specific IHC polymer detection kit HRP/DAB (Rabbit specific IHC polymer detection kit HRP/DAB ab209101).
Heat mediated antigen retrieval was performed with Tris-EDTA buffer (pH 9.0, Epitope Retrieval Solution2) for 20 mins.
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-MLH1 antibody [EPR26314-1] - BSA and Azide free (ab315012)
This data was developed using Anti-MLH1 antibody [EPR26314-1] ab315011, the same antibody clone in a different buffer formulation.
Immunohistochemical analysis of paraffin-embedded Human tonsil tissue labeling MLH1 with Anti-MLH1 antibody [EPR26314-1] ab315011 at 1/200 (2.54 ug/ml) followed by a ready to use Rabbit specific IHC polymer detection kit HRP/DAB (Rabbit specific IHC polymer detection kit HRP/DAB ab209101). Positive staining on human tonsil. The section was incubated with Anti-MLH1 antibody [EPR26314-1] ab315011 for 30 mins at room temperature. The immunostaining was performed on a Leica Biosystems BOND® RX instrument. Incubate slides with 3% Hydrogen Peroxide for 10 mins at room temperature after secondary antibody incubation to reduce the background. Counterstained with Hematoxylin.
Secondary antibody only control: Secondary antibody is a ready to use Rabbit specific IHC polymer detection kit HRP/DAB (Rabbit specific IHC polymer detection kit HRP/DAB ab209101).
Heat mediated antigen retrieval was performed with Tris-EDTA buffer (pH 9.0, Epitope Retrieval Solution2) for 20 mins.
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-MLH1 antibody [EPR26314-1] - BSA and Azide free (ab315012)
This data was developed using Anti-MLH1 antibody [EPR26314-1] ab315011, the same antibody clone in a different buffer formulation.
Immunohistochemical analysis of paraffin-embedded Human gastric adenocarcinoma tissue labeling MLH1 with Anti-MLH1 antibody [EPR26314-1] ab315011 at 1/200 (2.54 ug/ml) followed by a ready to use Rabbit specific IHC polymer detection kit HRP/DAB (Rabbit specific IHC polymer detection kit HRP/DAB ab209101). Positive staining on human gastric adenocarcinoma. The section was incubated with Anti-MLH1 antibody [EPR26314-1] ab315011 for 30 mins at room temperature. The immunostaining was performed on a Leica Biosystems BOND® RX instrument. Incubate slides with 3% Hydrogen Peroxide for 10 mins at room temperature after secondary antibody incubation to reduce the background. Counterstained with Hematoxylin.
Secondary antibody only control: Secondary antibody is a ready to use Rabbit specific IHC polymer detection kit HRP/DAB (Rabbit specific IHC polymer detection kit HRP/DAB ab209101).
Heat mediated antigen retrieval was performed with Tris-EDTA buffer (pH 9.0, Epitope Retrieval Solution2) for 20 mins.
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-MLH1 antibody [EPR26314-1] - BSA and Azide free (ab315012)
This data was developed using Anti-MLH1 antibody [EPR26314-1] ab315011, the same antibody clone in a different buffer formulation.
Immunohistochemical analysis of paraffin-embedded Human colon tissue labeling MLH1 with Anti-MLH1 antibody [EPR26314-1] ab315011 at 1/200 (2.54 ug/ml) followed by a ready to use Rabbit specific IHC polymer detection kit HRP/DAB (Rabbit specific IHC polymer detection kit HRP/DAB ab209101). Positive staining on human colon. The section was incubated with Anti-MLH1 antibody [EPR26314-1] ab315011 for 30 mins at room temperature. The immunostaining was performed on a Leica Biosystems BOND® RX instrument. Incubate slides with 3% Hydrogen Peroxide for 10 mins at room temperature after secondary antibody incubation to reduce the background. Counterstained with Hematoxylin.
Secondary antibody only control: Secondary antibody is a ready to use Rabbit specific IHC polymer detection kit HRP/DAB (Rabbit specific IHC polymer detection kit HRP/DAB ab209101).
Heat mediated antigen retrieval was performed with Tris-EDTA buffer (pH 9.0, Epitope Retrieval Solution2) for 20 mins.