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Phospho-MEK1 (Thr292) Antibody (YA177)

(Synonyms: MAP2K1; MEK1; PRKMK1; Dual specificity mitogen-activated protein kinase kinase 1; MAP kinase kinase 1; MAPKK 1; MKK1; ERK activator kinase 1; MAPK/ERK kinase 1; MEK 1)
Customer Review

Based on 1 Customer Validation

Phospho-MEK1 (Thr292) Antibody (YA177) is a Rabbit-derived and non-conjugated IgG monoclonal antibody, targeting to Phospho-MEK1 (Thr292).

For research use only. We do not sell to patients.
  • Host:

    Rabbit

  • Isotype:

    IgG

  • Application:

    WB

  • Reactivity :

    Mouse, Rat

  • Formulation:

    Supplied in 50 mM Tris-Glycine (pH 7.4), 0.15 M NaCl, 40% Glycerol and 0.05% BSA. Preservative: 0.01% Sodium azide

  • Conjugation:
    Non-conjugated
  • Experimental Validation Results for Phospho-MEK1 (Thr292) Antibody (YA177)
  • Experimental Validation Results for Phospho-MEK1 (Thr292) Antibody (YA177)
  • Phospho-MEK1 (Thr292) Antibody (YA177) Product Image
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To place orders, for customer services and technical support, please contact: MedChemExpress USA

Tel: 609-228-6898 E-mail: [email protected] [email protected]

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Related Products:
Top Publications Citing

Use of MCE Products

Applications

Application
WB Info
WB: Western Blot
Dilution Ratio 1:500-1:1000

Product Details

Description

Phospho-MEK1 (Thr292) Antibody (YA177) is a Rabbit-derived and non-conjugated IgG monoclonal antibody, targeting to Phospho-MEK1 (Thr292).

  • Host Rabbit
  • Clonality Recombinant,Monoclonal
  • Species Reactivity
    Mouse, Rat
  • Observed Molecular Weight
    Observed band size: 43 kDa Info
    Note: Due to possible protein modifications or aggregation, the molecular weight should be confirmed by actual measurement, and the predicted value is for reference only.
  • Calculated Molecular Weight Predicted band size: 43 kDa
Species Reactivity Database
Immunogen

Synthetic phosphopeptide corresponding to residues surrounding Thr292 of Human MEK1.The exact sequence is proprietary to MCE.

Sensitivity

Endogenous

Purification

affinity purified

Conjugation

Non-conjugated

Modification

Phosphorylated

Isotype

IgG

RRID

AB_3102219

Product Properties

  • Appearance

    Solution

  • Formulation

    Supplied in 50 mM Tris-Glycine (pH 7.4), 0.15 M NaCl, 40% Glycerol and 0.05% BSA. Preservative: 0.01% Sodium azide

  • Concentration

    Batch-dependent, Please check the COA for the concentration of each lot. Check Lot Concentration

  • Storage & Stability

    Stored at -20°C for 1 year. Avoid repeated freeze / thaw cycles.

  • Shipping

    Shipping with blue ice.

Verification Images

  • Experimental Validation Results for Phospho-MEK1 (Thr292) Antibody (YA177)
    Western blot analysis was performed on protein extracts (25 μg) from NIH/3T3 (lane 2), RAW264.7 (lane 3), Mouse bladder (lane 4), and Rat lymph node (lane 5, 40 μg) using Phospho-MEK1 (Thr292) antibody. Proteins were transferred onto a 0.45 μm PVDF membrane using the Trans-Blot® Turbo™ system for 13 min. The membrane was then blocked with 5% nonfat milk in TBST (HY-K1025) for 1 h at room temperature. The primary antibody (1:1000) and loading control antibody GAPDH Antibody (HRP) (HY-P80954A) (1:5000) were diluted in 5% nonfat milk in TBST and incubated with the membrane overnight at 4°C. After washing, the membrane of primary antibody was incubated with HRP-conjugated goat anti-rabbit/mouse IgG secondary antibody (HY-P8001/HY-P8004) (1:5000) diluted in 5% nonfat milk in TBST for 1 h at room temperature. Protein bands were visualized using an Ultra High Sensitivity ECL detection kit (HY-K1005).
  • Experimental Validation Results for Phospho-MEK1 (Thr292) Antibody (YA177)
    Western blot analysis of extracts from C6(lane 2(20μg) or lane 3(40μg)), using Phospho-MEK1 (HY-P80833) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% BSA in TBST for 2 hour at room temperature. The primary antibody (HY-P80833, 1/1000) and Loading control antibody (GAPDH, HY-P80954, 1/3000) was used in 5% BSA in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (HY-P8004/HY-P8001, 1/10,000) was used for 1 hour at room temperature.

Background

  • Function

    MEK1 is a MAP kinase or ERK kinase that phosphorylates the ERK gene product and acts as an immediate upstream activator of ERK signaling[1][2]. Mechanistically, MEK1 and MEK2 phosphorylate and activate ERK1/ERK2, positioning MEK proteins as pathway gatekeepers in the RAS-RAF-MEK-ERK cascade[3][4]. This cascade regulates cell proliferation, differentiation, survival, invasion, and other ERK-dependent cellular responses[3][5]. In disease models, ERK pathway activation is prominent in cancers driven by receptor tyrosine kinase, RAS, BRAF, CRAF, MEK1, or MEK2 alterations, which promote growth factor-independent ERK1/2 activation[5]. Compared with MEK2, MEK1 shares the same ERK substrates, but Mek1- embryos die from placental defects whereas Mek2- mice survive, indicating isoform-related developmental differences and functional redundancy controlled by total MEK protein level[4]. Structurally, MEK1 and MEK2 are closely related dual-specificity tyrosine/threonine kinases with a hydrophobic allosteric pocket adjacent to the ATP-binding site[6][5]. For experimental applications, PD098059 selectively inhibited MEK without significant inhibition of MAPK itself, and allosteric MEK blockade suppressed colon tumor growth in vivo[7][8].

  • Subcellular Localization

    Cytoplasm, cytoskeleton, microtubule organizing center, centrosome; Cytoplasm, cytoskeleton, microtubule organizing center, spindle pole body; Cytoplasm; Nucleus; Membrane; Peripheral membrane protein

  • Expression


    Tissue_specificity:It is widely expressed, but present in extremely low concentrations in the brain.

  • Isoforms & Post-Translational Modification

    Q02750 has 2 isomers: Q02750-1: 43439 Da (predicted); Q02750-2: 40764 Da (predicted).
    Phosphorylation at Ser-218 and Ser-222 by MAP kinase kinase kinases (BRAF or MEKK1) positively regulates kinase activity (PubMed:29433126, PubMed:8131746). Also phosphorylated at Thr-292 by MAPK1/ERK2 and at Ser-298 by PAK (PubMed:16129686). MAPK1/ERK2 phosphorylation of Thr-292 occurs in response to cellular adhesion and leads to inhibition of Ser-298 phosphorylation by PAK (PubMed:16129686). Autophosphorylated at Ser-218 and Ser-222, autophosphosphorylation is promoted by NEK10 following UV irradiation (PubMed:20956560);(Microbial infection) Acetylation by Yersinia YopJ prevents phosphorylation and activation, thus blocking the MAPK signaling pathway

  • Subunit

    Found in a complex with at least BRAF, HRAS, MAP2K1, MAPK3/ERK1 and RGS14 (By similarity). Forms a heterodimer with MAP2K2/MEK2 (By similarity). Forms heterodimers with KSR2 which further dimerize to form tetramers (By similarity). Interacts with KSR1 or KSR2 and BRAF; the interaction with KSR1 or KSR2 mediates KSR1-BRAF or KSR2-BRAF dimerization (PubMed:10409742, PubMed:29433126). Interacts with ARBB2, LAMTOR3 and RAF1 (By similarity). Interacts with MAPK1/ERK2 (PubMed:32721402). Interacts with MORG1 (By similarity). Interacts with PPARG (PubMed:17101779). Interacts with isoform 1 of VRK2 (PubMed:20679487). Interacts with SGK1 (PubMed:19447520). Interacts with BIRC6/bruce (PubMed:18329369). Interacts with KAT7; the interaction promotes KAT7 phosphorylation (By similarity). Interacts with RAF1 and NEK10; the interaction is required for ERK1/2-signaling pathway activation in response to UV irradiation (PubMed:20956560). Interacts with TRAF3IP3 (PubMed:26195727). Interacts with MOS (PubMed:34779126, PubMed:35670744)

  • SwissProt ID

    Q02750

  • Gene ID
    5604 [NCBI]
  • Synonyms

    MAP2K1; MEK1; PRKMK1; Dual specificity mitogen-activated protein kinase kinase 1; MAP kinase kinase 1; MAPKK 1; MKK1; ERK activator kinase 1; MAPK/ERK kinase 1; MEK 1

  • Research Field

    Signal Transduction

References

[1]. Crews CM, et al. The primary structure of MEK, a protein kinase that phosphorylates the ERK gene product. Science. 1992 Oct 16;258(5081):478-80. [Content Brief]

[2]. Zheng CF, et al. Properties of MEKs, the kinases that phosphorylate and activate the extracellular signal-regulated kinases. J Biol Chem. 1993 Nov 15;268(32):23933-9. [Content Brief]

[3]. Shaul YD, et al. The MEK/ERK cascade: from signaling specificity to diverse functions. Biochim Biophys Acta. 2007 Aug;1773(8):1213-26. [Content Brief]

[4]. Aoidi R, et al. Functional redundancy of the kinases MEK1 and MEK2: Rescue of the Mek1 mutant phenotype by Mek2 knock-in reveals a protein threshold effect. Sci Signal. 2016 Jan 26;9(412):ra9. [Content Brief]

[5]. Caunt CJ, et al. MEK1 and MEK2 inhibitors and cancer therapy: the long and winding road. Nat Rev Cancer. 2015 Oct;15(10):577-92. [Content Brief]

[6]. Ohren JF, et al. Structures of human MAP kinase kinase 1 (MEK1) and MEK2 describe novel noncompetitive kinase inhibition. Nat Struct Mol Biol. 2004 Dec;11(12):1192-7. [Content Brief]

[7]. Dudley DT, et al. A synthetic inhibitor of the mitogen-activated protein kinase cascade. Proc Natl Acad Sci U S A. 1995 Aug 15;92(17):7686-9. [Content Brief]

[8]. Sebolt-Leopold JS, et al. Blockade of the MAP kinase pathway suppresses growth of colon tumors in vivo. Nat Med. 1999 Jul;5(7):810-6. [Content Brief]

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Phospho-MEK1 (Thr292) Antibody (YA177) Related Classifications

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Measured by its ability to inhibit anti-CD3-induced proliferation of stimulated CTLL-2 mouse cytotoxic T cells. The ED50 this effect is 0.8023 μg/ml, corresponding to a specific activity is 1246.42 units/mg.

Assay Types
  • 1/16

    MedChemExpress Validation
     Western blot analysis was performed on protein extracts (25 μg) from NIH/3T3 (lane 2), RAW264.7 (lane 3), Mouse bladder (lane 4), and Rat lymph node (lane 5, 40 μg) using Phospho-MEK1 (Thr292) antibody. Proteins were transferred onto a 0.45 μm PVDF membrane using the Trans-Blot® Turbo™ system for 13 min. The membrane was then blocked with 5% nonfat milk in TBST (HY-K1025) for 1 h at room temperature. The primary antibody (1:1000) and loading control antibody GAPDH Antibody (HRP) (HY-P80954A) (1:5000) were diluted in 5% nonfat milk in TBST and incubated with the membrane overnight at 4°C. After washing, the membrane of primary antibody was incubated with HRP-conjugated goat anti-rabbit/mouse IgG secondary antibody (HY-P8001/HY-P8004) (1:5000) diluted in 5% nonfat milk in TBST for 1 h at room temperature. Protein bands were visualized using an Ultra High Sensitivity ECL detection kit (HY-K1005).

  • 1/16

    MedChemExpress Validation
     Western blot analysis of extracts from C6(lane 2(20μg) or lane 3(40μg)), using Phospho-MEK1 (HY-P80833) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% BSA in TBST for 2 hour at room temperature. The primary antibody (HY-P80833, 1/1000) and Loading control antibody (GAPDH, HY-P80954, 1/3000) was used in 5% BSA in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (HY-P8004/HY-P8001, 1/10,000) was used for 1 hour at room temperature.

  • Phospho-MEK1 (Thr292) Antibody (YA177) Product Image
    1/16
  • Experimental Validation Results for Phospho-MEK1 (Thr292) Antibody (YA177)
  • Experimental Validation Results for Phospho-MEK1 (Thr292) Antibody (YA177)
  • Phospho-MEK1 (Thr292) Antibody (YA177) Product Image
  • Experimental Validation Results for Phospho-MEK1 (Thr292) Antibody (YA177)
    1/1
    MedChemExpress Validation
     Western blot analysis was performed on protein extracts (25 μg) from NIH/3T3 (lane 2), RAW264.7 (lane 3), Mouse bladder (lane 4), and Rat lymph node (lane 5, 40 μg) using Phospho-MEK1 (Thr292) antibody. Proteins were transferred onto a 0.45 μm PVDF membrane using the Trans-Blot® Turbo™ system for 13 min. The membrane was then blocked with 5% nonfat milk in TBST (HY-K1025) for 1 h at room temperature. The primary antibody (1:1000) and loading control antibody GAPDH Antibody (HRP) (HY-P80954A) (1:5000) were diluted in 5% nonfat milk in TBST and incubated with the membrane overnight at 4°C. After washing, the membrane of primary antibody was incubated with HRP-conjugated goat anti-rabbit/mouse IgG secondary antibody (HY-P8001/HY-P8004) (1:5000) diluted in 5% nonfat milk in TBST for 1 h at room temperature. Protein bands were visualized using an Ultra High Sensitivity ECL detection kit (HY-K1005).
  • Experimental Validation Results for Phospho-MEK1 (Thr292) Antibody (YA177)
    1/1
    MedChemExpress Validation
     Western blot analysis of extracts from C6(lane 2(20μg) or lane 3(40μg)), using Phospho-MEK1 (HY-P80833) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% BSA in TBST for 2 hour at room temperature. The primary antibody (HY-P80833, 1/1000) and Loading control antibody (GAPDH, HY-P80954, 1/3000) was used in 5% BSA in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (HY-P8004/HY-P8001, 1/10,000) was used for 1 hour at room temperature.
  • Experimental Validation Results for Phospho-MEK1 (Thr292) Antibody (YA177)
  • Experimental Validation Results for Phospho-MEK1 (Thr292) Antibody (YA177)
  • Phospho-MEK1 (Thr292) Antibody (YA177) Product Image
    MedChemExpress Validation

    Western blot analysis was performed on protein extracts (25 μg) from NIH/3T3 (lane 2), RAW264.7 (lane 3), Mouse bladder (lane 4), and Rat lymph node (lane 5, 40 μg) using Phospho-MEK1 (Thr292) antibody. Proteins were transferred onto a 0.45 μm PVDF membrane using the Trans-Blot® Turbo™ system for 13 min. The membrane was then blocked with 5% nonfat milk in TBST (HY-K1025) for 1 h at room temperature. The primary antibody (1:1000) and loading control antibody GAPDH Antibody (HRP) (HY-P80954A) (1:5000) were diluted in 5% nonfat milk in TBST and incubated with the membrane overnight at 4°C. After washing, the membrane of primary antibody was incubated with HRP-conjugated goat anti-rabbit/mouse IgG secondary antibody (HY-P8001/HY-P8004) (1:5000) diluted in 5% nonfat milk in TBST for 1 h at room temperature. Protein bands were visualized using an Ultra High Sensitivity ECL detection kit (HY-K1005).

  • Phospho-MEK1 (Thr292) Antibody (YA177) Product Image
    MedChemExpress Validation

    Western blot analysis of extracts from C6(lane 2(20μg) or lane 3(40μg)), using Phospho-MEK1 (HY-P80833) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% BSA in TBST for 2 hour at room temperature. The primary antibody (HY-P80833, 1/1000) and Loading control antibody (GAPDH, HY-P80954, 1/3000) was used in 5% BSA in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (HY-P8004/HY-P8001, 1/10,000) was used for 1 hour at room temperature.

  • Phospho-MEK1 (Thr292) Antibody (YA177) Product Image WB
  • Phospho-MEK1 (Thr292) Antibody (YA177) Product Image WB