Recombinant Human Mixed lineage kinase domain-like protein(MLKL)

In Stock
Code CSB-EP850851HUa0
Size $2466
  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.

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Product Details


The full-length cDNA ORF of Human Mixed lineage kinase domain-like protein (MLKL) was N-terminally tagged a 6xHis and then expressed in E.coli. The Recombinant Human MLKL obtained got over 85% of purity determined by SDS-PAGE. Under reducing conditions, the MLKL protein migrated to an approximately 59 kDa molecular mass band on the gel. And stored MLKL proteins are offered. This recombinant MLKL protein may find uses in the specific antibody synthesis or the studies of MLKL-related signal transduction.

MLKL is the terminal executor of necroptosis. In addition to the necroptotic function, MLKL is also involved in diverse biological processes. It controls the degradation of the myelin sheath, subsequently facilitating nerve regeneration. Studies have shown that MLKL controls NLRP3 inflammasome formation and IL-1β release in macrophages upon TLR activation. Moreover, MLKL is also involved in the maintenance of the integrity of cellular membrane & the promotion of cell survival, the regulation of the expression of endothelial adhesion molecules, the control endothelial cell (EC)-leukocyte interaction in vitro and in vivo.

Purity Greater than 85% as determined by SDS-PAGE.
Target Names MLKL
Uniprot No. Q8NB16
Research Area Signal Transduction
Alternative Names
9130019I15Rik; FLJ34389; hMLKL; Mixed lineage kinase domain like; Mixed lineage kinase domain like protein; Mixed lineage kinase domain like pseudokinase; Mixed lineage kinase domain-like protein; Mlkl; MLKL_HUMAN
Species Homo sapiens (Human)
Source E.coli
Expression Region 1-471aa
Note: The complete sequence including tag sequence, target protein sequence and linker sequence could be provided upon request.
Mol. Weight 58.5 kDa
Protein Length Full Length
Tag Info N-terminal 6xHis-tagged
Form Liquid or 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 If the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol.
Note: If you have any special requirement for the glycerol content, please remark when you place the order.
If the delivery form is lyophilized powder, the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.
Reconstitution 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°C/-80°C. Our default final concentration of glycerol is 50%. Customers could use it as reference.
and FAQs
Protein 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 3-7 business days
Notes Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet & COA Please contact us to get it.

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Could you please let me know the concentration and volume for CSB-EP850851HUa0-50ug?

Very nice to receive your inquiry. CSB-EP850851HUa0-50ug N-terminal 6xHis-tagge
Buffer: 10 mM Tris-HCl, 1 mM EDTA, pH 8.0, 50% glycerol Concentration: 0.5mg/ml Volume: 100ul

Target Background

Pseudokinase that plays a key role in TNF-induced necroptosis, a programmed cell death process. Does not have protein kinase activity. Activated following phosphorylation by RIPK3, leading to homotrimerization, localization to the plasma membrane and execution of programmed necrosis characterized by calcium influx and plasma membrane damage. In addition to TNF-induced necroptosis, necroptosis can also take place in the nucleus in response to orthomyxoviruses infection: following activation by ZBP1, MLKL is phosphorylated by RIPK3 in the nucleus, triggering disruption of the nuclear envelope and leakage of cellular DNA into the cytosol.following ZBP1 activation, which senses double-stranded Z-RNA structures, nuclear RIPK3 catalyzes phosphorylation and activation of MLKL, promoting disruption of the nuclear envelope and leakage of cellular DNA into the cytosol. Binds to highly phosphorylated inositol phosphates such as inositolhexakisphosphate (InsP6) which is essential for its necroptotic function.
Gene References into Functions
  1. Following activation, toggling within the MLKL pseudokinase domain promotes 4HB domain disengagement from the pseudokinase domain alphaC helix and pseudocatalytic loop, to enable formation of a necroptosis-inducing tetramer. PMID: 29930286
  2. Data show that phosphatidylinositol transfer protein alpha (PITPalpha) is involved in the function of mixed lineage kinase domain-like protein (MLKL) in necroptosis. PMID: 29104146
  3. MLKL expression alters APP metabolism and loss-of-function mutation might contribute to late-onset ApoE varepsilon4-negative AD in the Hong Kong Chinese population. PMID: 29656768
  4. Results demonstrate that MLKL concentrations measured after three days of ICU treatment in critically ill patients predict prognosis during intensive care unit treatment. These data not only suggest a previously unrecognized function of MLKL as a biomarker in critical illness and sepsis but also highlight the clinical relevance of MLKL in the pathophysiology of inflammatory and infectious diseases. PMID: 29606984
  5. Thus, activation of MLKL determines cell lysis with release of proinflammatory mediators. We found that pMLKL, the activated form of MLKL, is significantly increased in intestinal epithelial cells expressing RIP3 as well as in bioptic inflamed ileal and colonic tissues from CD and UC patients. PMID: 28844856
  6. Biological events and molecular signaling following MLKL activation during necroptosis have been reported. PMID: 28854080
  7. Low expression of mixed lineage kinase domain-like protein was associated with decreased overall survival in all patient-group with resected colon cancer. PMID: 27432118
  8. Phosphorylated MLKL leads to a conformational change, exposure of the N-terminal domain, results in MLKL membrane localization, oligomerization and membrane permeabilization. PMID: 26868910
  9. adhesion-induced eosinophil cytolysis takes place through RIPK3-MLKL-dependent necroptosis, which can be counterregulated by autophagy PMID: 28412393
  10. MLKL forms cation channels that are permeable preferentially to Mg(2+) rather than Ca(2+) in the presence of Na(+) and K(+). PMID: 27033670
  11. RIPK3 is a key factor in protection against OLs death and abnormal myelin development via its interaction with MLKL. PMID: 28230861
  12. these findings demonstrate that Trx1 is a critical regulator of necroptosis that suppresses cell death by maintaining MLKL in a reduced inactive state. PMID: 28878015
  13. this study shows that release of phosphorylated MLKL within extracellular vesicles serves as a mechanism for self-restricting the necroptotic activity of this protein PMID: 28666573
  14. this study shows that MLKL is an endogenous activator of the NLRP3 inflammasome, and that MLKL activation provides a mechanism for concurrent processing and release of IL-1beta independently of gasdermin-D PMID: 28130493
  15. Data suggest that necroptotic cells externalize phosphatidylserine (PS) after translocation of phosphorylated MLKL to cell membrane; necroptotic cells with exposed PS release extracellular vesicles containing MLKL; inhibition of MLKL after PS exposure can reverse process of necroptosis and restore cell viability. PMID: 28650960
  16. results reveal a pathway for MLKL-dependent programmed necrosis that is executed in the absence of RIPK3 and potentially drives the pathogenesis of severe liver diseases. PMID: 27756058
  17. MLKL octamer formation depends on alpha-helices 4 and 5. PMID: 27920255
  18. Necroptosis signaling is modulated by the kinase RIPK1 and requires the kinase RIPK3 and the pseudokinase MLKL. (Review) PMID: 26865533
  19. In AML, MLKL expression is reduced in specific subsets. This is linked to its function in activating the ASC inflammasome. PMID: 27411587
  20. Downregulated expression of MLKL is associated with gastric caner. PMID: 27473085
  21. Results from interaction proteomics identified MLKL as a novel HSP90 client protein in HT-29 cells. PMID: 26933192
  22. coexpression of Hsp90 increases MLKL oligomerization and plasma membrane translocation and enhances MLKL-mediated necroptosis. Findings demonstrate that an efficient necrotic response requires a functional Hsp90. PMID: 26866270
  23. MLKL was a prognostic biomarker for cervical squamous cell carcinoma PMID: 26823841
  24. Modelling predicts that a C-terminal helix constrains the activity of MLKL1, but not MLKL2 PMID: 26704887
  25. Results show that upon activation, MLKL undergoes oligomerization mediated by the brace domain, being recruited to the plasma membrane through avidity of N-terminal helix bundle for phosphatidylinositol phosphate (PIP). PMID: 26853145
  26. MLKL structure determined by nuclear magnetic resonance spectroscopy reveals how different structural elements of the MLKL N-terminal region contribute to MLKL function and membrane permeation. PMID: 25220470
  27. MLKL upregulation in SPARC overexpressed cells treated with Ara-C, indicates necrosis as a possible cell death process for the SKM-1 cells under these stringent conditions PMID: 26165695
  28. in the absence of caspase-8 activity, 24(S)-Hydroxycholesterol induces a necroptosis-like cell death which is RIPK1-dependent but MLKL-independent. PMID: 25697054
  29. These data reveal a potential role for RIPK3 as a suppressor of MLKL activation and indicate that phosphorylation can fine-tune the ability of MLKL to induce necroptosis. PMID: 26283547
  30. a novel non-enzymatic function of AChE-R is to stimulate RIPK1/MLKL-dependent regulated necrosis (necroptosis). The latter complements a cholinergic system in the ovary, which determines life and death of ovarian cells. PMID: 25766324
  31. High expression of RIP3 in keratinocytes from toxic epidermal necrolysis patients potentiates MLKL phosphorylation/activation and necrotic cell death. PMID: 25748555
  32. Authors demonstrate that the full four-helical bundle domain (4HBD) in the N-terminal region of MLKL is required and sufficient to induce its oligomerization and trigger cell death. PMID: 24813885
  33. MLKL binding to phosphatidylinositol phosphates is required for plasma membrane rupture PMID: 24813885
  34. Report role of MLKL/RIP3 pathway in necrotic membrane disruption. PMID: 24703947
  35. MLKL protein expression is significantly upregulated in children, diagnosed with inflammatory bowel disease. PMID: 24322838
  36. Data suggest that nucleotide- (ATP-) binding residues of human MLKL have divergently evolved from mouse Mlkl and conventional protein kinases; studies include small-angle X-ray scattering, thermal shift of nucleotide binding, and sequence alignment. PMID: 24219132
  37. This study reveals a crucial mechanism of MLKL-mediated TNF-induced necroptosis. PMID: 24316671
  38. Low expression of MLKL is associated with decreased OS in patients with resected PAC and decreased RFS and OS in the subset of patients with resected PAC who receive adjuvant chemotherapy. PMID: 23720157
  39. the importance of the RIP3-MLKL interaction in the formation of functional necrosomes and suggest that translocation of necrosomes to mitochondria-associated membranes is essential for necroptosis signaling. PMID: 23612963
  40. study suggests that MLKL is a key RIP3 downstream component of TNF-induced necrotic cell death PMID: 22421439
  41. Findings implicate MLKL as a key mediator of necrosis signaling downstream of the kinase RIP3. PMID: 22265413

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Subcellular Location Cytoplasm. Cell membrane. Nucleus.
Protein Families Protein kinase superfamily
Database Links

HGNC: 26617

OMIM: 615153

KEGG: hsa:197259

STRING: 9606.ENSP00000308351

UniGene: Hs.119878

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