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AB307510

Anti-MEK1 (phospho T286) antibody [EPR27226-8] - BSA and Azide free

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Knockout Tested Rabbit Recombinant Monoclonal MEK1 phospho T286 antibody. Carrier free. Suitable for WB, ICC/IF, Dot and reacts with Human, Mouse, Synthetic peptide, Synthetic peptide - Mouse samples.

View Alternative Names

Mek1, Prkmk1, Map2k1, Dual specificity mitogen-activated protein kinase kinase 1, MAP kinase kinase 1, MAPKK 1, ERK activator kinase 1, MAPK/ERK kinase 1, MEK 1

6 Images
Immunocytochemistry/ Immunofluorescence - Anti-MEK1 (phospho T286) antibody [EPR27226-8] - BSA and Azide free (AB307510)
  • ICC/IF

Supplier Data

Immunocytochemistry/ Immunofluorescence - Anti-MEK1 (phospho T286) antibody [EPR27226-8] - BSA and Azide free (AB307510)

This data was produced using ab307509, the same clone but in a different formulation. Immunofluorescent analysis of 4% Paraformaldehyde-fixed, 0.1% Triton X-100 permeabilized MAP2K1 KO HAP1 (MAP2K1 knockout human chronic myelogenous leukemia near-haploid cell) cells labelling MEK1 (phospho T286) with ab307509 at 1/1000 (0.48 ug/ml) followed by ab150081 Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) preadsorbed antibody at 1/1000 dilution (2 ug/ml) (Green). Confocal showing cytoplasmic and nuclear staining in wildtype HAP1 cells in M phase and no staining in MAP2K1 knockout HAP1 cells. The image was taken with a confocal microscope (Leica-Microsystems, TCS SP8). ab195889 Anti-alpha Tubulin mouse monoclonal antibody - Microtubule Marker (Alexa Fluor® 594) was used to counterstain tubulin at 1/200 dilution (2.5 ug/ml) (Red). The nuclear counterstain was DAPI (Blue). Secondary antibody only control : Secondary antibody is ab150081 Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) preadsorbed at 1/1000 dilution (2 ug/ml).

Immunocytochemistry/ Immunofluorescence - Anti-MEK1 (phospho T286) antibody [EPR27226-8] - BSA and Azide free (AB307510)
  • ICC/IF

Supplier Data

Immunocytochemistry/ Immunofluorescence - Anti-MEK1 (phospho T286) antibody [EPR27226-8] - BSA and Azide free (AB307510)

This data was produced using ab307509, the same clone but in a different formulation. Immunofluorescent analysis of 4% Paraformaldehyde-fixed, 0.1% Triton X-100 permeabilized NIH/3T3 (mouse embryonic fibroblast) cells labelling MEK1 (phospho T286) with ab307509 at 1/1000 (0.48 ug/ml) followed by ab150081 Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) preadsorbed antibody at 1/1000 dilution (2 ug/ml) (Green). Confocal showing cytoplasmic and nuclear staining in NIH/3T3 cells in M phase. The image was taken with a confocal microscope (Leica-Microsystems, TCS SP8). ab195889 Anti-alpha Tubulin mouse monoclonal antibody - Microtubule Marker (Alexa Fluor® 594) was used to counterstain tubulin at 1/200 dilution (2.5 ug/ml) (Red). The nuclear counterstain was DAPI (Blue). Secondary antibody only control : Secondary antibody is ab150081 Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) preadsorbed at 1/1000 dilution (2 ug/ml).

Western blot - Anti-MEK1 (phospho T286) antibody [EPR27226-8] - BSA and Azide free (AB307510)
  • WB

Supplier Data

Western blot - Anti-MEK1 (phospho T286) antibody [EPR27226-8] - BSA and Azide free (AB307510)

This data was produced using ab307509, the same clone but in a different formulation. Blocking and diluting buffer and concentration : 1% BSA/TBST. The identity of the higher MW bands between 100kDa and 200kDa are unknown. Lysates were freshly made and used for Western blotting immediately to minimize protein degradation. In Western blot, anti-GAPDH antibody (ab181602) loading control staining at 1/200000 dilution. In Western blot, anti-MEK1 antibody (ab32576) loading control staining at 1/1000 dilution. Exposure time : 26 seconds.

All lanes:

Western blot - Anti-MEK1 (phospho T286) antibody [EPR27226-8] (<a href='/en-us/products/primary-antibodies/mek1-phospho-t286-antibody-epr27226-8-ab307509'>ab307509</a>) at 1/1000 dilution

Lane 1:

Untreated HeLa (human cervical adenocarcinoma epithelial cell) whole cell lysate (untreated membrane) at 20 µg

Lane 2:

HeLa treated with 100ng/ml nocodazole for 24h whole cell lysate (untreated membrane) at 20 µg

Lane 3:

HeLa treated with 100ng/ml nocodazole for 24h whole cell lysate (phosphatase treated membrane at 20 µg

Secondary

All lanes:

Western blot - Goat Anti-Rabbit IgG H&L (HRP) (<a href='/en-us/products/secondary-antibodies/goat-rabbit-igg-h-l-hrp-ab97051'>ab97051</a>) at 1/100000 dilution

Predicted band size: 43 kDa

Observed band size: 43 kDa

false

Exposure time: 26s

Western blot - Anti-MEK1 (phospho T286) antibody [EPR27226-8] - BSA and Azide free (AB307510)
  • WB

Supplier Data

Western blot - Anti-MEK1 (phospho T286) antibody [EPR27226-8] - BSA and Azide free (AB307510)

This data was produced using ab307509, the same clone but in a different formulation. Blocking and diluting buffer and concentration : 1% BSA/TBST. The identity of the higher MW bands between 100kDa and 200kDa are unknown. Lysates were freshly made and used for Western blotting immediately to minimize protein degradation. In Western blot, anti-GAPDH antibody (ab181602) loading control staining at 1/200000 dilution. In Western blot, anti-MEK1 antibody (ab32576) loading control staining at 1/1000 dilution. Exposure time : 15 seconds.

All lanes:

Western blot - Anti-MEK1 (phospho T286) antibody [EPR27226-8] (<a href='/en-us/products/primary-antibodies/mek1-phospho-t286-antibody-epr27226-8-ab307509'>ab307509</a>) at 1/1000 dilution

Lane 1:

Untreated wild-type HAP1(human chronic myelogenous leukemia near-haploid cell line) whole cell lysate (untreated membrane), at 20 µg

Lane 2:

Wild-type HAP1 treated with 100ng/ml nocodazole for 24h whole cell lysate (untreated membrane) at 20 µg

Lane 3:

untreated MEK1 knockout HAP1 whole cell lysate at 20 µg

Lane 4:

MEK1 knockout HAP1 treated with 100ng/ml nocodazole for 24h whole cell lysate at 20 µg

Lane 5:

Untreated wild-type HAP1 whole cell lysate (phosphatase treated membrane), at 20 µg

Lane 6:

Wild-type HAP1 treated with 100ng/ml nocodazole for 24h whole cell lysate (phosphatase treated membrane) at 20 µg

Lane 7:

Untreated MEK1 knockout HAP1 whole cell lysate (phosphatase treated membrane) at 20 µg

Lane 8:

MEK1 knockout HAP1 treated with 100ng/ml nocodazole for 24h whole cell lysate (phosphatase treated membrane) at 20 µg

Secondary

All lanes:

Western blot - Goat Anti-Rabbit IgG H&L (HRP) (<a href='/en-us/products/secondary-antibodies/goat-rabbit-igg-h-l-hrp-ab97051'>ab97051</a>) at 1/100000 dilution

Predicted band size: 43 kDa

Observed band size: 43 kDa

false

Exposure time: 15s

Western blot - Anti-MEK1 (phospho T286) antibody [EPR27226-8] - BSA and Azide free (AB307510)
  • WB

Supplier Data

Western blot - Anti-MEK1 (phospho T286) antibody [EPR27226-8] - BSA and Azide free (AB307510)

This data was produced using ab307509, the same clone but in a different formulation.

Blocking and diluting buffer and concentration : 5% NFDM/TBST.

Lysates were freshly made and used for Western blotting immediately to minimize protein degradation.

This blot was developed using a high sensitivity ECL substrate. The high-sensitivity ECL substrate used allows for the detection of proteins in the mid-femtogram range.

In Western blot, anti-GAPDH antibody (ab181602) loading control staining at 1/200000 dilution.

In Western blot, anti-MEK1+MEK2 antibody (ab178876) loading control staining at 1/1000 dilution.

All lanes:

Western blot - Anti-MEK1 (phospho T286) antibody [EPR27226-8] (<a href='/en-us/products/primary-antibodies/mek1-phospho-t286-antibody-epr27226-8-ab307509'>ab307509</a>) at 1/1000 dilution

Lane 1:

Untreated NIH/3T3 (mouse embryonic fibroblast) whole cell lysate (untreated membrane) at 20 µg

Lane 2:

NIH/3T3 treated with 100ng/ml nocodazole for 24h whole cell lysate (untreated membrane) at 20 µg

Lane 3:

NIH/3T3 treated with 100ng/ml nocodazole for 24h whole cell lysate (phosphatase treated membrane) at 20 µg

Secondary

All lanes:

Western blot - Goat Anti-Rabbit IgG H&L (HRP) (<a href='/en-us/products/secondary-antibodies/goat-rabbit-igg-h-l-hrp-ab97051'>ab97051</a>) at 1/20000 dilution

Predicted band size: 43 kDa

Observed band size: 43 kDa

true

Exposure time: 82s

Dot Blot - Anti-MEK1 (phospho T286) antibody [EPR27226-8] - BSA and Azide free (AB307510)
  • Dot

Supplier Data

Dot Blot - Anti-MEK1 (phospho T286) antibody [EPR27226-8] - BSA and Azide free (AB307510)

This data was produced using ab307509, the same clone but in a different formulation.

Dot blot analysis of MEK1 (phospho T286) using ab307509 at 1 : 1000 (0.48 ug/ml) followed by a Goat Anti-Rabbit IgG, (H+L), Peroxidase conjugated (ab97051) at 1 : 100,000 dilution.

Exposure time : 18 seconds.

Blocking and diluting buffer and concentration : 5% NFDM/TBST.

Lane 1 : MEK1 (phospho T286) peptide a

Lane 2 : MEK1 (phospho T286) peptide b

Lane 3 : MEK1 non-phospho peptide

All lanes:

Dot Blot - Anti-MEK1 (phospho T286) antibody [EPR27226-8] (<a href='/en-us/products/primary-antibodies/mek1-phospho-t286-antibody-epr27226-8-ab307509'>ab307509</a>) at 1/1000 dilution

Lane 1:

MEK1 (phospho T286) peptide a

Lane 2:

MEK1 (phospho T286) peptide b

Lane 3:

MEK1 non-phospho peptide

Secondary

All lanes:

Dot Blot - Goat Anti-Rabbit IgG H&L (HRP) (<a href='/en-us/products/secondary-antibodies/goat-rabbit-igg-h-l-hrp-ab97051'>ab97051</a>) at 1/100000 dilution

false

Key facts

Host species

Rabbit

Clonality

Monoclonal

Clone number

EPR27226-8

Isotype

IgG

Carrier free

Yes

Reacts with

Human, Mouse

Applications

Dot, WB, ICC/IF

applications

Immunogen

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

Reactivity data

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Product details

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

What are the advantages of a recombinant monoclonal antibody?
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.

Conjugation ready
Our carrier-free antibodies are typically supplied in a PBS-only formulation, purified and free of BSA, sodium azide and glycerol. 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.

Compatibility
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.

Properties and storage information

Form
Liquid
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.

MEK1 also known as MAP2K1 is a dual-specificity kinase that plays a role in the MAPK/ERK pathway. It has a molecular weight of around 45 kDa. MEK1 phosphorylates and activates the extracellular signal-regulated kinases ERK1 and ERK2. MEK1 is expressed in various tissues but is especially abundant in brain and heart tissues. Researchers commonly measure MEK1 levels using techniques like MEK1 ELISA while phospho-MEK antibodies help analyze its activity state.
Biological function summary

MEK1 impacts cell processes such as proliferation differentiation and survival. It does not work alone but forms a complex with other proteins to exert its function. MEK1 activity is tightly controlled by upstream activators and downstream targets. One of the key phosphorylation sites on MEK1 is at serine 298 often marked as MEK1 pS298. This phosphorylation indicates MEK1's activated state which is critical for its biological function.

Pathways

MEK1 integrates signals within the MAPK/ERK pathway and interacts closely with RAF kinases upstream and ERK kinases downstream. This pathway modulates cellular responses to growth factors. MEK1 undergoes phosphorylation enhancing its activity and subsequently phosphorylates ERK proteins. Many studies isolate MEK1 activity using specific inhibitors such as the MEK1 inhibitor to dissect pathway dynamics. ERK inhibitor PD98059 also helps when studying parallel interactions with MEK1.

MEK1 mutations or dysregulation have links to several types of cancer including melanoma. These often involve changes that lead to continuous MEK1 activation contributing to uncontrolled cell growth. MEK1 involvement in the RASopathies also shows its connection to disorders characterized by heart and facial abnormalities. In cancer MEK1 works closely with the BRAF protein which often harbors mutations leading to disease progression showcasing MEK1 as a target for therapeutic intervention.

Product protocols

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

Target data

Dual specificity protein kinase which acts as an essential component of the MAP kinase signal transduction pathway. Binding of extracellular ligands such as growth factors, cytokines and hormones to their cell-surface receptors activates RAS and this initiates RAF1 activation. RAF1 then further activates the dual-specificity protein kinases MAP2K1/MEK1 and MAP2K2/MEK2. Both MAP2K1/MEK1 and MAP2K2/MEK2 function specifically in the MAPK/ERK cascade, and catalyze the concomitant phosphorylation of a threonine and a tyrosine residue in a Thr-Glu-Tyr sequence located in the extracellular signal-regulated kinases MAPK3/ERK1 and MAPK1/ERK2, leading to their activation and further transduction of the signal within the MAPK/ERK cascade. Activates BRAF in a KSR1 or KSR2-dependent manner; by binding to KSR1 or KSR2 releases the inhibitory intramolecular interaction between KSR1 or KSR2 protein kinase and N-terminal domains which promotes KSR1 or KSR2-BRAF dimerization and BRAF activation (By similarity). Depending on the cellular context, this pathway mediates diverse biological functions such as cell growth, adhesion, survival and differentiation, predominantly through the regulation of transcription, metabolism and cytoskeletal rearrangements. One target of the MAPK/ERK cascade is peroxisome proliferator-activated receptor gamma (PPARG), a nuclear receptor that promotes differentiation and apoptosis. MAP2K1/MEK1 has been shown to export PPARG from the nucleus. The MAPK/ERK cascade is also involved in the regulation of endosomal dynamics, including lysosome processing and endosome cycling through the perinuclear recycling compartment (PNRC), as well as in the fragmentation of the Golgi apparatus during mitosis.
See full target information Map2k1 phospho T286

Product promise

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