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  • Product Name
    Phospho-MEK1/2 (Ser218+Ser222/Ser222+Ser226) Antibody
  • Catalog No.
    AF8035
  • Source
    Rabbit
  • Application
    WB,IHC,IF/ICC,ELISA
  • Reactivity
    Human, Mouse, Rat
  • Prediction
    Pig(100%), Zebrafish(100%), Bovine(100%), Horse(100%), Sheep(100%), Rabbit(100%), Dog(100%), Chicken(100%), Xenopus(100%)
  • UniProt
  • Mol.Wt.
    45kDa,44kDa
  • Concentration
    1mg/ml
  • Browse similar products>>

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Product Information

Alternative Names:Expand▼

Dual specificity mitogen activated protein kinase kinase 1; Dual specificity mitogen-activated protein kinase kinase 1; ERK activator kinase 1; MAP kinase kinase 1; MAP kinase/Erk kinase 1; MAP2K1; MAPK/ERK kinase 1; MAPKK 1; MAPKK1; MEK 1; Mek1; MEKK1; Mitogen activated protein kinase kinase 1; MKK 1; MKK1; MP2K1_HUMAN; PRKMK1; Protein kinase mitogen activated kinase 1 (MAP kinase kinase 1); Protein kinase mitogen activated, kinase 1; Cardiofaciocutaneous syndrome; CFC syndrome; CFC4; Dual specificity mitogen activated protein kinase kinase 2; Dual specificity mitogen-activated protein kinase kinase 2; ERK activator kinase 2; FLJ26075; MAP kinase kinase 2; map2k2; MAPK / ERK kinase 2; MAPK/ERK kinase 2; MAPKK 2; MAPKK2; MEK 2; MEK2; Microtubule associated protein kinase kinase 2; Mitogen activated protein kinase kinase 2; Mitogen activated protein kinase kinase 2 p45; MKK 2; MKK2; MP2K2_HUMAN; OTTHUMP00000165826; OTTHUMP00000165827; PRKMK 2; PRKMK2;

Applications:

WB 1:1000-3000, IHC 1:50-1:200, IF/ICC 1:100-1:500, ELISA(peptide) 1:20000-1:40000

Reactivity:

Human, Mouse, Rat

Predicted Reactivity:

Pig(100%), Zebrafish(100%), Bovine(100%), Horse(100%), Sheep(100%), Rabbit(100%), Dog(100%), Chicken(100%), Xenopus(100%)

Source:

Rabbit

Clonality:

Polyclonal

Purification:

The antibody is from purified rabbit serum by affinity purification via sequential chromatography on phospho-peptide and non-phospho-peptide affinity columns.

Specificity:

Phospho-MEK1/2 (Ser218+Ser222/Ser222+Ser226) Antibody detects endogenous levels of MEK1/2 only when phosphorylated at S218+S222(MEK1)/S222+S226(MEK2).

Format:

Liquid

Concentration:

1mg/ml

Storage Condition and Buffer:

Rabbit IgG in phosphate buffered saline , pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol.Store at -20 °C.Stable for 12 months from date of receipt.

Immunogen Information

Immunogen:

A synthesized peptide derived from human MEK1/2 around the phosphorylation site of Ser218+Ser222/Ser222+Ser226.

Uniprot:



>>Visit The Human Protein Atlas

Gene ID:

Gene Name:

Q02750

Molecular Weight:

Observed Mol.Wt.: 45kDa.
Predicted Mol.Wt.: 44kDa.

Tissue Specificity:

Widely expressed, with extremely low levels in brain.

Sequence:
        10         20         30         40         50
MPKKKPTPIQ LNPAPDGSAV NGTSSAETNL EALQKKLEEL ELDEQQRKRL
60 70 80 90 100
EAFLTQKQKV GELKDDDFEK ISELGAGNGG VVFKVSHKPS GLVMARKLIH
110 120 130 140 150
LEIKPAIRNQ IIRELQVLHE CNSPYIVGFY GAFYSDGEIS ICMEHMDGGS
160 170 180 190 200
LDQVLKKAGR IPEQILGKVS IAVIKGLTYL REKHKIMHRD VKPSNILVNS
210 220 230 240 250
RGEIKLCDFG VSGQLIDSMA NSFVGTRSYM SPERLQGTHY SVQSDIWSMG
260 270 280 290 300
LSLVEMAVGR YPIPPPDAKE LELMFGCQVE GDAAETPPRP RTPGRPLSSY
310 320 330 340 350
GMDSRPPMAI FELLDYIVNE PPPKLPSGVF SLEFQDFVNK CLIKNPAERA
360 370 380 390
DLKQLMVHAF IKRSDAEEVD FAGWLCSTIG LNQPSTPTHA AGV

Background

Function:

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. 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.

Post-translational Modifications:

Phosphorylation at Ser-218 and Ser-222 by MAP kinase kinase kinases (RAF or MEKK1) positively regulates kinase activity. Also phosphorylated at Thr-292 by MAPK1/ERK2 and at Ser-298 by PAK. MAPK1/ERK2 phosphorylation of Thr-292 occurs in response to cellular adhesion and leads to inhibition of Ser-298 phosphorylation by PAK.Acetylation by Yersinia yopJ prevents phosphorylation and activation, thus blocking the MAPK signaling pathway.

Subcellular Location:

Nucleus;Cytoskeleton;

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionGraphics by Christian Stolte

Subunit Structure:

Found in a complex with at least BRAF, HRAS, MAP2K1, MAPK3/ERK1 and RGS14. Forms a heterodimer with MAP2K2/MEK2. Forms heterodimers with KSR2 which further dimerize to form tetramers. Interacts with ARBB2, LAMTOR3, MAPK1/ERK2, MORG1 and RAF1 (By similarity). Interacts with PPARG and with isoform 1 of VRK2 (PubMed:20679487, PubMed:17101779). Interacts with Yersinia yopJ (PubMed:16728640). Interacts with SGK1 (PubMed:19447520). Interacts with BIRC6/bruce (PubMed:18329369). Interacts with KSR1 (PubMed:10409742). Interacts with KAT7; the interaction promotes KAT7 phosphorylation (By similarity).

Similarity:

The proline-rich region localized between residues 270 and 307 is important for binding to RAF1 and activation of MAP2K1/MEK1.Belongs to the protein kinase superfamily. STE Ser/Thr protein kinase family. MAP kinase kinase subfamily.

Research Fields

Research Fields:

· Cellular Processes > Cellular community - eukaryotes > Focal adhesion.(View pathway)
· Cellular Processes > Cell growth and death > Oocyte meiosis.(View pathway)
· Cellular Processes > Cellular community - eukaryotes > Gap junction.(View pathway)
· Cellular Processes > Cell growth and death > Apoptosis.(View pathway)
· Cellular Processes > Transport and catabolism > Autophagy - animal.(View pathway)
· Cellular Processes > Cellular community - eukaryotes > Signaling pathways regulating pluripotency of stem cells.(View pathway)
· Cellular Processes > Cell growth and death > Cellular senescence.(View pathway)
· Cellular Processes > Cell motility > Regulation of actin cytoskeleton.(View pathway)
· Environmental Information Processing > Signal transduction > TNF signaling pathway.(View pathway)
· Environmental Information Processing > Signal transduction > MAPK signaling pathway.(View pathway)
· Environmental Information Processing > Signal transduction > ErbB signaling pathway.(View pathway)
· Environmental Information Processing > Signal transduction > Sphingolipid signaling pathway.(View pathway)
· Environmental Information Processing > Signal transduction > FoxO signaling pathway.(View pathway)
· Environmental Information Processing > Signal transduction > mTOR signaling pathway.(View pathway)
· Environmental Information Processing > Signal transduction > Apelin signaling pathway.(View pathway)
· Environmental Information Processing > Signal transduction > cGMP-PKG signaling pathway.(View pathway)
· Environmental Information Processing > Signal transduction > Ras signaling pathway.(View pathway)
· Environmental Information Processing > Signal transduction > HIF-1 signaling pathway.(View pathway)
· Environmental Information Processing > Signal transduction > Rap1 signaling pathway.(View pathway)
· Environmental Information Processing > Signal transduction > Phospholipase D signaling pathway.(View pathway)
· Environmental Information Processing > Signal transduction > PI3K-Akt signaling pathway.(View pathway)
· Environmental Information Processing > Signal transduction > cAMP signaling pathway.(View pathway)
· Human Diseases > Cancers: Specific types > Pancreatic cancer.(View pathway)
· Human Diseases > Cancers: Specific types > Renal cell carcinoma.(View pathway)
· Human Diseases > Cancers: Specific types > Thyroid cancer.(View pathway)
· Human Diseases > Cancers: Specific types > Bladder cancer.(View pathway)
· Human Diseases > Cancers: Overview > Pathways in cancer.(View pathway)
· Human Diseases > Cancers: Specific types > Gastric cancer.(View pathway)
· Human Diseases > Cancers: Specific types > Non-small cell lung cancer.(View pathway)
· Human Diseases > Cancers: Specific types > Glioma.(View pathway)
· Human Diseases > Cancers: Specific types > Colorectal cancer.(View pathway)
· Human Diseases > Cancers: Overview > Proteoglycans in cancer.
· Human Diseases > Cancers: Specific types > Hepatocellular carcinoma.(View pathway)
· Human Diseases > Cancers: Specific types > Acute myeloid leukemia.(View pathway)
· Human Diseases > Cancers: Overview > MicroRNAs in cancer.
· Human Diseases > Cancers: Specific types > Endometrial cancer.(View pathway)
· Human Diseases > Cancers: Specific types > Breast cancer.(View pathway)
· Human Diseases > Cancers: Specific types > Chronic myeloid leukemia.(View pathway)
· Human Diseases > Cancers: Overview > Central carbon metabolism in cancer.(View pathway)
· Human Diseases > Cancers: Overview > Choline metabolism in cancer.(View pathway)
· Human Diseases > Infectious diseases: Viral > Hepatitis B.
· Human Diseases > Cancers: Specific types > Melanoma.(View pathway)
· Human Diseases > Infectious diseases: Viral > Human papillomavirus infection.
· Human Diseases > Drug resistance: Antineoplastic > EGFR tyrosine kinase inhibitor resistance.
· Human Diseases > Infectious diseases: Viral > Influenza A.
· Human Diseases > Substance dependence > Alcoholism.
· Human Diseases > Neurodegenerative diseases > Prion diseases.
· Human Diseases > Drug resistance: Antineoplastic > Endocrine resistance.
· Human Diseases > Cancers: Specific types > Prostate cancer.(View pathway)
· Organismal Systems > Immune system > Toll-like receptor signaling pathway.(View pathway)
· Organismal Systems > Immune system > T cell receptor signaling pathway.(View pathway)
· Organismal Systems > Immune system > Fc epsilon RI signaling pathway.(View pathway)
· Organismal Systems > Immune system > Fc gamma R-mediated phagocytosis.(View pathway)
· Organismal Systems > Endocrine system > Progesterone-mediated oocyte maturation.
· Organismal Systems > Immune system > Natural killer cell mediated cytotoxicity.(View pathway)
· Organismal Systems > Endocrine system > Relaxin signaling pathway.
· Organismal Systems > Endocrine system > Thyroid hormone signaling pathway.(View pathway)
· Organismal Systems > Endocrine system > Insulin signaling pathway.(View pathway)
· Organismal Systems > Endocrine system > Prolactin signaling pathway.(View pathway)
· Organismal Systems > Nervous system > Long-term potentiation.
· Organismal Systems > Nervous system > Neurotrophin signaling pathway.(View pathway)
· Organismal Systems > Circulatory system > Vascular smooth muscle contraction.(View pathway)
· Organismal Systems > Development > Osteoclast differentiation.(View pathway)
· Organismal Systems > Endocrine system > Oxytocin signaling pathway.
· Organismal Systems > Nervous system > Long-term depression.
· Organismal Systems > Nervous system > Cholinergic synapse.
· Organismal Systems > Endocrine system > Melanogenesis.
· Organismal Systems > Immune system > Chemokine signaling pathway.(View pathway)
· Organismal Systems > Nervous system > Serotonergic synapse.
· Organismal Systems > Immune system > B cell receptor signaling pathway.(View pathway)
· Organismal Systems > Endocrine system > Estrogen signaling pathway.(View pathway)

Reference Citations:

1). Xing QQ et al. Serum proteomics analysis based on label-free revealed the protective effect of Chinese herbal formula Gu-Ben-Fang-Xiao. Biomed Pharmacother 2019 Sep 11;119:109390 (PubMed: 31520916) [IF=3.743]

2). Wu Z et al. Traditional Chinese Medicine CFF-1 induced cell growth inhibition, autophagy, and apoptosis via inhibiting EGFR-related pathways in prostate cancer. Cancer Med 2018 Apr;7(4):1546-1559 (PubMed: 29533017) [IF=3.357]

3). Wu Z et al. EGFR‑associated pathways involved in traditional Chinese medicine (TCM)‑1‑induced cell growth inhibition, autophagy and apoptosis in prostate cancer. Mol Med Rep 2018 Jun;17(6):7875-7885 (PubMed: 29620175)

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Catalog Number :

AF8035-BP
(Blocking peptide available as AF8035-BP)

Price/Size :

$200/1mg.
Tips: For phospho antibody, we provide phospho peptide(0.5mg) and non-phospho peptide(0.5mg).

Function :

Blocking peptides are peptides that bind specifically to the target antibody and block antibody binding. These peptide usually contains the epitope recognized by the antibody. Antibodies bound to the blocking peptide no longer bind to the epitope on the target protein. This mechanism is useful when non-specific binding is an issue, for example, in Western blotting (immunoblot) and immunohistochemistry (IHC). By comparing the staining from the blocked antibody versus the antibody alone, one can see which staining is specific; Specific binding will be absent from the western blot or immunostaining performed with the neutralized antibody.

Format and storage :

Synthetic peptide was lyophilized with 100% acetonitrile and is supplied as a powder. Reconstitute with 0.1 ml DI water for a final concentration of 10 mg/ml.The purity is >90%,tested by HPLC and MS.Storage Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C.

Precautions :

This product is for research use only. Not for use in diagnostic or therapeutic procedures.

Zebrafish
100%
Chicken
100%
Rabbit
100%
Xenopus
100%
Dog
100%
Horse
100%
Bovine
100%
Sheep
100%
Pig
100%
High similarity Medium similarity Low similarity No similarity
Q02750/P36507 as Substrate
Site PTM Type Enzyme
M1 Acetylation
K6 Ubiquitination
T13 Acetylation
S23 Phosphorylation
T25 Phosphorylation
S26 Phosphorylation P36507 (MAP2K2)
S30 Phosphorylation
K40 Ubiquitination
K51 Ubiquitination
T59 Phosphorylation O14757 (CHEK1)
K61 Ubiquitination
K63 Ubiquitination
K68 Ubiquitination
K88 Ubiquitination
S94 Phosphorylation
K101 Ubiquitination
K108 Sumoylation
K108 Ubiquitination
K163 Ubiquitination
K196 Ubiquitination
S198 Phosphorylation
K209 Ubiquitination
S216 Phosphorylation
S222 Acetylation
S222 Phosphorylation P15056 (BRAF) , P41279 (MAP3K8) , O15530 (PDPK1) , P53350 (PLK1)
S226 Acetylation
S226 Phosphorylation O15530 (PDPK1) , P53350 (PLK1) , P15056 (BRAF) , P41279 (MAP3K8) , P36507 (MAP2K2)
T230 Phosphorylation
S293 Phosphorylation
S295 Phosphorylation
S306 Phosphorylation
S312 Phosphorylation
K352 Ubiquitination
K361 Ubiquitination
K370 Ubiquitination
S372 Phosphorylation
K385 Ubiquitination
T394 Phosphorylation
T396 Phosphorylation P36507 (MAP2K2)
T398 Phosphorylation
Site PTM Type Enzyme
T23 Phosphorylation
S24 Phosphorylation Q6VAB6 (KSR2)
S25 Phosphorylation
K36 Ubiquitination
T55 Phosphorylation O14757 (CHEK1)
K57 Ubiquitination
K64 Ubiquitination
K70 Ubiquitination
S72 Phosphorylation Q6VAB6 (KSR2)
K88 Ubiquitination
K97 Ubiquitination
K104 Sumoylation
K104 Ubiquitination
K168 Ubiquitination
K175 Acetylation
K175 Ubiquitination
K192 Ubiquitination
S194 Phosphorylation
K205 Ubiquitination
S212 Phosphorylation
S218 Phosphorylation P53350 (PLK1) , O15530 (PDPK1) , P15056 (BRAF) , P41279 (MAP3K8) , Q5TCX8 (MAP3K21) , P00540 (MOS) , Q13233 (MAP3K1) , P10398 (ARAF) , P04049 (RAF1)
S222 Phosphorylation Q5TCX8 (MAP3K21) , P10398 (ARAF) , Q13233 (MAP3K1) , P53350 (PLK1) , O15530 (PDPK1) , P00540 (MOS) , P04049 (RAF1) , P15056 (BRAF) , P41279 (MAP3K8)
T226 Phosphorylation
S231 Phosphorylation
S244 Phosphorylation P41279 (MAP3K8)
S248 Phosphorylation P41279 (MAP3K8)
T286 Phosphorylation Q00535 (CDK5) , P06493 (CDK1) , P27361 (MAPK3) , P28482 (MAPK1)
T292 Phosphorylation P06493 (CDK1) , P27361 (MAPK3) , Q00535 (CDK5) , P28482 (MAPK1)
S298 Phosphorylation Q13153 (PAK1) , Q02750 (MAP2K1) , O75914 (PAK3)
S299 Phosphorylation
Y300 Phosphorylation Q02750 (MAP2K1)
K344 Ubiquitination
K353 Ubiquitination
K362 Acetylation
S385 Phosphorylation
T386 Phosphorylation P28482 (MAPK1) , P27361 (MAPK3)
T388 Phosphorylation
Q02750/P36507 as PTM Enzyme
Substrate Site Source
P05787 (KRT8) S74 Uniprot
P27361 (MAPK3) T202 Uniprot
P27361 (MAPK3) Y204 Uniprot
P28482 (MAPK1) T185 Uniprot
P28482 (MAPK1) Y187 Uniprot
P36507 (MAP2K2) S26 Uniprot
P36507 (MAP2K2) S226 Uniprot
P36507 (MAP2K2) T396 Uniprot
P55211-1 (CASP9) T125 Uniprot
Substrate Site Source
O75676-1 (RPS6KA4) S196 Uniprot
O75676-1 (RPS6KA4) S343 Uniprot
O75676-1 (RPS6KA4) S347 Uniprot
O75676-1 (RPS6KA4) S360 Uniprot
O75676-2 (RPS6KA4) T562 Uniprot
O75676-1 (RPS6KA4) T568 Uniprot
P04049 (RAF1) S338 Uniprot
P05787 (KRT8) S74 Uniprot
P15172 (MYOD1) Y156 Uniprot
P17542 (TAL1) S122 Uniprot
P27361 (MAPK3) T202 Uniprot
P27361 (MAPK3) Y204 Uniprot
P27361 (MAPK3) T207 Uniprot
P27361 (MAPK3) Y210 Uniprot
P28482 (MAPK1) T185 Uniprot
P28482 (MAPK1) Y187 Uniprot
P32121 (ARRB2) T382 Uniprot
P35568 (IRS1) S307 Uniprot
P37231 (PPARG) S112 Uniprot
P49841 (GSK3B) Y216 Uniprot
P55211-1 (CASP9) T125 Uniprot
Q00613 (HSF1) S326 Uniprot
Q02750 (MAP2K1) S298 Uniprot
Q02750 (MAP2K1) Y300 Uniprot
Q02750-1 (MAP2K1) S304 Uniprot
IMPORTANT: For western blots, incubate membrane with diluted antibody in 5% w/v milk , 1X TBS, 0.1% Tween®20 at 4°C with gentle shaking, overnight.

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