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MAPK1 Antibody (C-term)

Rabbit Monoclonal Antibody

  • WB - MAPK1 Antibody (C-term) AJ1272a
    A. Western blot analysis on A431 cell lysate using anti-ERK2 p42 MAPK (C-term) RabMAb (Cat. #AJ1272a), 1:2,000 dilution
  • IHC - MAPK1 Antibody (C-term) AJ1272a
    B. Immunohistochemical analysis of paraffin-embedded human breast carcinoma using anti- ERK2 p42 MAPK (C-term) RabMAb (Cat. #AJ1272a).
Product Information
  • Applications Legend:
  • WB=Western Blot
  • IHC=Immunohistochemistry
  • IHC-P=Immunohistochemistry (Paraffin-embedded Sections)
  • IHC-F=Immunohistochemistry (Frozen Sections)
  • IF=Immunofluorescence
  • FC=Flow Cytopmetry
  • IC=Immunochemistry
  • ICC=Immunocytochemistry
  • IP=Immunoprecipitation
  • DB=Dot Blot
  • CHIP=Chromatin Immunoprecipitation
  • FA=Fluorescence Assay
  • IEM=Immunoelectronmicroscopy
  • EIA=Enzyme Immunoassay
Primary Accession P28482
Reactivity Human, Mouse, Rat
Host Rabbit
Clonality Monoclonal
Clone Names E460
Calculated MW 41390 Da
Gene ID 5594
Other Names Mitogen-activated protein kinase 1, MAP kinase 1, MAPK 1, ERT1, Extracellular signal-regulated kinase 2, ERK-2, MAP kinase isoform p42, p42-MAPK, Mitogen-activated protein kinase 2, MAP kinase 2, MAPK 2, MAPK1, ERK2, PRKM1, PRKM2
Target/Specificity A synthetic peptide corresponding to residues near the C-term of human ERK2 p42 MAPK was used as immunogen.
Dilution WB~~1:1000~5000
Format 50 mM Tris-Glycine (pH 7.4), 0.15 M NaCl, 40% Glycerol, 0.01% sodium azide and 0.05% BSA.
StorageMaintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.
PrecautionsMAPK1 Antibody (C-term) is for research use only and not for use in diagnostic or therapeutic procedures.
Protein Information
Name MAPK1
Synonyms ERK2, PRKM1, PRKM2
Function Serine/threonine kinase which acts as an essential component of the MAP kinase signal transduction pathway. MAPK1/ERK2 and MAPK3/ERK1 are the 2 MAPKs which play an important role in the MAPK/ERK cascade. They participate also in a signaling cascade initiated by activated KIT and KITLG/SCF. Depending on the cellular context, the MAPK/ERK cascade mediates diverse biological functions such as cell growth, adhesion, survival and differentiation through the regulation of transcription, translation, cytoskeletal rearrangements. The MAPK/ERK cascade plays also a role in initiation and regulation of meiosis, mitosis, and postmitotic functions in differentiated cells by phosphorylating a number of transcription factors. About 160 substrates have already been discovered for ERKs. Many of these substrates are localized in the nucleus, and seem to participate in the regulation of transcription upon stimulation. However, other substrates are found in the cytosol as well as in other cellular organelles, and those are responsible for processes such as translation, mitosis and apoptosis. Moreover, the MAPK/ERK cascade is also involved in the regulation of the 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. The substrates include transcription factors (such as ATF2, BCL6, ELK1, ERF, FOS, HSF4 or SPZ1), cytoskeletal elements (such as CANX, CTTN, GJA1, MAP2, MAPT, PXN, SORBS3 or STMN1), regulators of apoptosis (such as BAD, BTG2, CASP9, DAPK1, IER3, MCL1 or PPARG), regulators of translation (such as EIF4EBP1) and a variety of other signaling-related molecules (like ARHGEF2, DCC, FRS2 or GRB10). Protein kinases (such as RAF1, RPS6KA1/RSK1, RPS6KA3/RSK2, RPS6KA2/RSK3, RPS6KA6/RSK4, SYK, MKNK1/MNK1, MKNK2/MNK2, RPS6KA5/MSK1, RPS6KA4/MSK2, MAPKAPK3 or MAPKAPK5) and phosphatases (such as DUSP1, DUSP4, DUSP6 or DUSP16) are other substrates which enable the propagation the MAPK/ERK signal to additional cytosolic and nuclear targets, thereby extending the specificity of the cascade. Mediates phosphorylation of TPR in respons to EGF stimulation. May play a role in the spindle assembly checkpoint. Phosphorylates PML and promotes its interaction with PIN1, leading to PML degradation.
Cellular Location Cytoplasm, cytoskeleton, spindle. Nucleus. Cytoplasm, cytoskeleton, microtubule organizing center, centrosome. Cytoplasm. Note=Associated with the spindle during prometaphase and metaphase (By similarity). PEA15- binding and phosphorylated DAPK1 promote its cytoplasmic retention. Phosphorylation at Ser- 246 and Ser-248 as well as autophosphorylation at Thr-190 promote nuclear localization
Research Areas
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Extracellular signal regulated kinase 2 (ERK 2) also known as maturation or mitogen activated protein kinase (MAPK) is involved in eukaryotic signal transduction (1) . Activated by a dual phosphorylation on threonine and tyrosine residue by the dual-specificity kinase MKK1/2, ERK2 p42 translocate to the nucleus after stimulation (2). Once phosphorylated, ERK2 can form dimers with phosphorylated and unphosphorylated ERK2 partners. It is also able to phosphorylate multiple substrates such as EGFR, c-PLA2, Elk1/TCF and c-Myc (3-5).


1. Cobb, M. H.; Boulton, T. G.; Robbins, D. J. Cell Regul. 2: 965-978, 1991.
2. Chen RH, Sarnecki C and Blenis J (1992). Mol Cell Biol, 12, 915
3. Northwood IC, Gonzalez FA, Wartmann M, Raden DL and Davis RJ (1991) J Biol Chem, 266, 15266
4. Lin L, Wartmann M, Lin A, Knopf JL, Seth A and Davis RJ (1993). Cell, 72, 269
5. Seth A, Gonzalez FA, Gupta S, Raden DL and Davis RJ (1992) J Biol Chem, 267, 24796-24804.

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Cat# AJ1272a
(40 western blots)
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