Recombinant Mouse Mitogen-activated protein kinase 1 (Mapk1)

Code CSB-YP013448MO
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Source Yeast
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Code CSB-EP013448MO
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Source E.coli
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Code CSB-EP013448MO-B
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Source E.coli
Conjugate Avi-tag Biotinylated
E. coli biotin ligase (BirA) is highly specific in covalently attaching biotin to the 15 amino acid AviTag peptide. This recombinant protein was biotinylated in vivo by AviTag-BirA technology, which method is BriA catalyzes amide linkage between the biotin and the specific lysine of the AviTag.
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Code CSB-BP013448MO
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Source Baculovirus
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Code CSB-MP013448MO
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Source Mammalian cell
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Product Details

>85% (SDS-PAGE)
Target Names
Uniprot No.
Alternative Names
Mapk1; Erk2; Mapk; Prkm1; Mitogen-activated protein kinase 1; MAP kinase 1; MAPK 1; EC; ERT1; Extracellular signal-regulated kinase 2; ERK-2; MAP kinase isoform p42; p42-MAPK; Mitogen-activated protein kinase 2; MAP kinase 2; MAPK 2
Mus musculus (Mouse)
Expression Region
Target Protein Sequence
Protein Length
Full Length of Mature Protein
Tag Info
Tag type will be determined during the manufacturing process.
The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
Lyophilized powder
Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
Buffer before Lyophilization
Tris/PBS-based buffer, 6% Trehalose, pH 8.0
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Troubleshooting and FAQs
Storage Condition
Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life
The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time
Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Please contact us to get it.

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Target Background

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 response to EGF stimulation. May play a role in the spindle assembly checkpoint. Phosphorylates PML and promotes its interaction with PIN1, leading to PML degradation. Phosphorylates CDK2AP2.; Acts as a transcriptional repressor. Binds to a [GC]AAA[GC] consensus sequence. Repress the expression of interferon gamma-induced genes. Seems to bind to the promoter of CCL5, DMP1, IFIH1, IFITM1, IRF7, IRF9, LAMP3, OAS1, OAS2, OAS3 and STAT1. Transcriptional activity is independent of kinase activity.
Gene References into Functions
  1. results demonstrate the mechanism for the maintenance of the undifferentiated state of embryonic stem cells via the inhibition of the FGF4-PKCzeta-MEK-ERK1/2 pathway by O-GlcNAcylation on PKCzeta. PMID: 29249667
  2. M-CSF-evoked ERK1/2 activation was decreased, whereas AKT activation was enhanced in SHP2-deficient BMMs. ERK1/2, via its downstream target RSK2, mediates this negative feedback by negatively regulating phosphorylation of M-CSF receptor at Tyr721 and, consequently, its binding to p85 subunit of PI3K and PI3K activation. PMID: 29046360
  3. MAPKs play a critical role in the control of cellular responses to cytokines and stressors and involved in the LPS-induced signaling pathway by which iNOS is expressed. PMID: 29595073
  4. The Macrophage Activation Induced by Bacillus thuringiensis Cry1Ac Protoxin Involves ERK1/2 and p38 Pathways and the Interaction with Cell-Surface-HSP70 PMID: 28608568
  5. persistent distention/stretch on colonic smooth muscle cells could suppress SCF production probably through Ca(2+) -ERK-AP-1-miR-34c deregulation. PMID: 28580775
  6. This indicates that TcpC may promote MIP2 production in kidney cells through the p38 MAPK signaling pathway. Taken together, the data of the present study demonstrated that TcpC can induce MIP2 production, which may contribute to the characteristic histological change associated with pyelonephritis. PMID: 28765918
  7. the hippocampal MAPK oscillation and theta rhythmic oscillations in Nf1 (+/-) mice were disturbed and hinted about a possible mechanism for the brain dysfunction in Nf1 (+/-) mice. PMID: 28673309
  8. Stress-specific p38 MAPK activation is sufficient to drive EGFR endocytosis but not its nuclear translocation PMID: 28646091
  9. ERK2 role in the osteoclast differentiation.Insulin induces RANK expression via ERK1/2, which contributes to the enhancement of osteoclast differentiation. PMID: 28535663
  10. Suppressing P38 promoted adipogenic trans-differentiation and intensified adipolytic metabolism in differentiated cells. However, inhibition of ERK1/2 had the opposite effects on adipogenesis and no effect on adipolysis. Blocking JNK weakly blocked trans-differentiation but stimulated adipolysis and induced apoptosis. PMID: 29268268
  11. Betacellulin promotes the proliferation of corneal epithelial stem cells through the phosphorylation of Erk1/Erk2. PMID: 29331377
  12. A stimulation induced PARP1 binding to phosphorylated Erk2 in the chromatin of cerebral neurons caused Erk-induced PARP1 activation, rendering transcription factors and promoters of immediate early genes (IEG) accessible to PARP1-bound phosphorylated Erk2. PMID: 27121568
  13. Collectively, this study firstly demonstrated that PRMT1 exert podocyte-injury effects in mouse glomerulus through Ang /ERK pathway, which reveals a potential therapeutic target for DN. PMID: 29129692
  14. North American ginseng inhibits myocardial NOX2-ERK1/2-TNF-alpha signaling pathway and improves cardiac function in endotoxemia, suggesting that NA ginseng may have the potential in the prevention of clinical sepsis. PMID: 27317946
  15. These findings suggested that USP14 induces NF-kappaB activity and ERK1/2 phosphorylation triggered by microbial infection. PMID: 28364380
  16. these findings suggest an important role of GPR160 in regulating the entry of BCG into macrophages by targeting the ERK signaling pathway. PMID: 27259691
  17. Cortical neuron-specific deletion of extracellular signal-regulated kinases Erk1 or Erk2 significantly increased the duration of wakefulness. PMID: 28119463
  18. pERK1/2 is a regulator of CD44 expression, and increased CD44 expression leads to a pro-sclerotic and migratory parietal epithelial cell phenotype in focal segmental glomerulosclerosis. PMID: 27998643
  19. mmLDL increased the serum concentrations and expression of ICAM-1 and VCAM-1 by activating the ERK1/2 pathway, resulting in the expression of ETB receptors and the enhancement of contractile function in vascular smooth muscle. PMID: 28797761
  20. These results indicate a crucial role of the Rapgef2-Rap1A-ERK-c-jun pathway in regulation of the AJ formation in RGCs. PMID: 28917843
  21. MFA has a protective effect on alcohol-induced liver injury, which may be related to its antioxidant,anti-inflammatory,lipid-eliminating properties and its ability to regulate the NOX4/ROS-MAPK signalling pathway. PMID: 28890346
  22. MAPK3/1 participates in primordial follicle activation through mTORC1-KITL signaling. PMID: 28218391
  23. The purpose of this study was to investigate mechanisms that govern the regulation of Npnt gene expression by IL-1beta in osteoblasts. PMID: 28851654
  24. The results of this study suggested that Erk2 activation in astrocytes plays a crucial role in aggravating demyelinating inflammation by inducing inflammatory mediators and gliosis. PMID: 27596241
  25. At low oxLDL levels LOX-1 activates the protective Oct-1/SIRT1 pathway, while at higher levels of the lipoprotein switches to the thrombogenic ERK1/2 pathway. PMID: 28199510
  26. Studies indicate that progesterone receptor transgenic (Pgrcre/+) mitogen inducible gene 6 (Mig-6over) phosphatase and tensin homolog protein (Ptenf/f) knockout mice exhibited an increase of phospho-ERK1/2 and its target genes. PMID: 27910070
  27. Gpr182 reduction led to increased activation of ERK1/2 in basal and challenge models, demonstrating a potential role for this orphan GPCR in regulating the proliferative capacity of the intestine. PMID: 28094771
  28. tau overexpression mediates the excitatory toxicity induced by E-NMDAR activation through inhibiting ERK phosphorylation. PMID: 27809304
  29. retinoschisin is a novel regulator of MAP kinase signalling and exerts an anti-apoptotic effect on retinal cells. PMID: 27995734
  30. Postnatal chondrocyte-specific deletion of Hdac3 with an inducible Col2a1-Cre caused premature production of pErk1/2 and Mmp13 in the growth plate. PMID: 27662443
  31. The progress of neurogenesis depended on sustained ERK phosphorylation and resulted in ERK1/2 translocation to the nucleus. PMID: 27528403
  32. Low frequency pulsed electromagnetic field (PEMF) induced the activation of extracellular signal-regulated kinases ERK1/2, and the phosphorylation level of ERK1/2 increased after 15 min when exposed to PEMF. PMID: 27629357
  33. Our results will help understand the mechanism of ETV4 overexpression in CRC patients and provide a clue to search new therapeutic target to treat the related tumors in clinical practice. PMID: 28373072
  34. A- and B-Raf ablation in chondrocytes does not alter skeletal development, whereas ablation of C-Raf decreases hypertrophic chondrocyte apoptosis and impairs vascularization of the growth plate. However, ablation of C-Raf does not impair phosphate-induced ERK1/2 phosphorylation in vitro, but leads to rickets by decreasing VEGF protein stability. PMID: 28073913
  35. PDGFbetaR was expressed and hyperphosphorylated in the majority of tumour samples and tumour derived cell lines. Additionally, both MEK and ERK were expressed and activated in cell lines as well as biopsies. PMID: 28159233
  36. HSP27 expression is upregulated in lung fibroblasts during pulmonary fibrosis, and subsequently, HSP27 modulates lung fibroblast differentiation through the Smad3 and ERK pathways. PMID: 27909724
  37. These results indicated that the activation of the ERK1/2 signal transduction pathway may have an important role in glucosestimulated insulin secretion in betaTC6 cells. PMID: 27035884
  38. Anxa5 mediates the in vitro malignant behaviours of murine hepatocarcinoma Hca-F cells via ERK2/c-Jun/p-c-Jun(Ser73) and ERK2/E-cadherin pathways. PMID: 27697636
  39. PI3K, MAPK/ERK 1/2, and p38-signaling proteins are not the main regulators of local production of erythropoietin after 30% loss of circulating blood volume. PMID: 27878722
  40. Hyperactive ERK and persistent mTOR signaling characterize vemurafenib resistance in papillary thyroid cancer. PMID: 26735176
  41. RACK1 plays an important role in the maintenance of morphine conditioned place preference, likely via activation of ERK-CREB pathway in hippocampus. PMID: 26830449
  42. cellular retinoic acid binding protein 1 (Crabp1) mediates the non-genomic activity of atRA, and identify two compounds as the ligands of Crabp1 to rapidly and RAR-independently activate extracellular signal regulated kinase 1/2 (ERK1/2). PMID: 26935534
  43. Fos and phosphorylation of extracellular signal-regulated kinases (ERK) were used to look for evidence that interneurons expressing GRP were activated following intradermal injection of chloroquine. PMID: 27270268
  44. the activation of presynaptic extracellular signal-regulated kinase is required for the induction of pre-long-term potentiation. PMID: 27178245
  45. the signaling pathways mediating GnRH activation of CREB and ICER are distinct, contributing to the decoding of the pulsatile GnRH to regulate FSHbeta expression. PMID: 26835742
  46. ERK2 mediates inner hair cell survival and decreases susceptibility to noise-induced hearing loss PMID: 26577290
  47. These suggest a model for ductal elongation in which RTK-dependent proliferation creates motile cells with high phospho ERK, the collective migration of which acutely requires both MEK and Rac1 signaling. PMID: 26839364
  48. ERK contributes to the morphine-induced hyperalgesia by regulating the activation of c-JUN PMID: 26165762
  49. TLR5 deficiency mice after carbon tetrachloride administration reduced NF-kappaB and MAPK signaling pathways activation, which down regulated hepatic stellate cells activation. PMID: 26845355
  50. CXCR4 inhibitor attenuates allergen-induced lung inflammation by down-regulating MMP-9 and ERK1/2 expression. PMID: 26261552

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Subcellular Location
Cytoplasm, cytoskeleton, spindle. Nucleus. Cytoplasm, cytoskeleton, microtubule organizing center, centrosome. Cytoplasm. Membrane, caveola. Cell junction, focal adhesion.
Protein Families
Protein kinase superfamily, CMGC Ser/Thr protein kinase family, MAP kinase subfamily
Tissue Specificity
Widely expressed.
Database Links
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