Recombinant Human IL-33 Protein
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Recombinant Human IL-33 Protein is a Human Fragment protein, in the 112 to 270 aa range, expressed in Escherichia coli, with >95%, <0.1 EU/mg endotoxin level, suitable for HPLC, SDS-PAGE, Mass Spec.
View Alternative Names
C9orf26, IL1F11, NFHEV, IL33, Interleukin-33, IL-33, Interleukin-1 family member 11, Nuclear factor from high endothelial venules, IL-1F11, NF-HEV
- Mass Spec
Lab
Mass Spectrometry - Recombinant Human IL-33 Protein (AB310319)
Mass determination by ESI-TOF. Predicted MW is 18051.41 (+/- 10Da by ESI-TOF). Observed MW is 18051.22.
- SDS-PAGE
Lab
SDS-PAGE - Recombinant Human IL-33 Protein (AB310319)
SDS-PAGE analysis of ab310319
- HPLC
Lab
HPLC - Recombinant Human IL-33 Protein (AB310319)
HPLC analysis of ab310319
Reactivity data
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Why is this recommended?
We recommend this product because it’s often used in the same experiment or related research.
We advise that you always check the datasheet to ensure it fits your experiments, or contact ourtechnical teamfor help.
Sequence info
Properties and storage information
Shipped at conditions
Appropriate short-term storage conditions
Appropriate long-term storage conditions
Specifications
Form
Lyophilized
Additional notes
SDS-PAGE >= 95%
General info
Function
Cytokine that binds to and signals through the IL1RL1/ST2 receptor which in turn activates NF-kappa-B and MAPK signaling pathways in target cells (PubMed : 16286016, PubMed : 19841166). Involved in the maturation of Th2 cells inducing the secretion of T-helper type 2-associated cytokines (PubMed : 17853410, PubMed : 18836528). Also involved in activation of mast cells, basophils, eosinophils and natural killer cells (PubMed : 17853410, PubMed : 18836528). Acts as an enhancer of polarization of alternatively activated macrophages (PubMed : 19841166). Acts as a chemoattractant for Th2 cells, and may function as an 'alarmin', that amplifies immune responses during tissue injury (PubMed : 17853410, PubMed : 18836528). Induces rapid UCP2-dependent mitochondrial rewiring that attenuates the generation of reactive oxygen species and preserves the integrity of Krebs cycle required for persistent production of itaconate and subsequent GATA3-dependent differentiation of inflammation-resolving alternatively activated macrophages (By similarity).. In quiescent endothelia the uncleaved form is constitutively and abundantly expressed, and acts as a chromatin-associated nuclear factor with transcriptional repressor properties, it may sequester nuclear NF-kappaB/RELA, lowering expression of its targets (PubMed : 21734074). This form is rapidely lost upon angiogenic or pro-inflammatory activation (PubMed : 18787100).
Sequence similarities
Belongs to the IL-1 family. Highly divergent.
Post-translational modifications
The full-length protein can be released from cells and is able to signal via the IL1RL1/ST2 receptor. However, proteolytic processing by CELA1, CSTG/cathepsin G and ELANE/neutrophil elastase produces C-terminal peptides that are more active than the unprocessed full length protein (PubMed:22307629, PubMed:35794369). May also be proteolytically processed by calpains (PubMed:19596270, PubMed:22307629). Proteolytic cleavage mediated by apoptotic caspases including CASP3 and CASP7 results in IL33 inactivation (PubMed:19559631). In vitro proteolytic cleavage by CASP1 was reported (PubMed:16286016, PubMed:19439663) but could not be confirmed in vivo (PubMed:19465481) suggesting that IL33 is probably not a direct substrate for that caspase (PubMed:19439663, PubMed:19465481).
Subcellular localisation
Nucleus
Target data
Product promise
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