Recombinant Zebrafish IL-1 beta Protein (His tag)

Recombinant Zebrafish IL-1 beta Protein (His tag)

Cat. No.: DPP-001027

Size: 50 µg Size: 100 µg Size: Costomer Size
Product Overview
Species Zebrafish
Expression System Escherichia coli
Format Liquid
Purity ≥ 95% by HPLC
Nature Recombinant
Target Information
Gene Name il1b
UniProt No. E6N152
Gene ID 405770
Molecular Weight 30 kDa including tags
Alternative Names Catabolin; H1; IFN beta inducing factor; IL 1; IL 1 beta; IL-1 beta; IL1; IL1 BETA; IL1B; IL1B_HUMAN; IL1F2; Interleukin 1 beta; Interleukin 1 beta precursor; interleukin 1, beta; Interleukin-1 beta; OAF; Osteoclast activating factor; OTTHUMP00000162031; Preinterleukin 1 beta; Preinterleukin beta; Pro interleukin 1 beta
Function Potent proinflammatory cytokine. Initially discovered as the major endogenous pyrogen, induces prostaglandin synthesis, neutrophil influx and activation, T-cell activation and cytokine production, B-cell activation and antibody production, and fibroblast proliferation and collagen production. Promotes Th17 differentiation of T-cells.
Cellular Localization Cytoplasm, cytosol. Lysosome. Secreted, exosome. Cytoplasmic vesicle, autophagosome. Secreted. The precursor is cytosolic. In response to inflammasome-activating signals, such as ATP for NLRP3 inflammasome or bacterial flagellin for NLRC4 inflammasome, cleaved and secreted. IL1B lacks any known signal sequence and the pathway(s) of its secretion is(are) not yet fully understood. On the basis of experimental results, several unconventional secretion mechanisms have been proposed. 1. Secretion via secretory lysosomes: a fraction of CASP1 and IL1B precursor may be incorporated, by a yet undefined mechanism, into secretory lysosomes that undergo Ca(2+)-dependent exocytosis with release of mature IL1B. 2. Secretory autophagy: IL1B-containing autophagosomes may fuse with endosomes or multivesicular bodies (MVBs) and then merge with the plasma membrane releasing soluble IL1B or IL1B-containing exosomes. However, autophagy impacts IL1B production at several levels and its role in secretion is still controversial. 3. Secretion via exosomes: ATP-activation of P2RX7 leads to the formation of MVBs containing exosomes with entrapped IL1B, CASP1 and other inflammasome components. These MVBs undergo exocytosis with the release of exosomes. The release of soluble IL1B occurs after the lysis of exosome membranes (By similarity). 4. Secretion by microvesicle shedding: activation of the ATP receptor P2RX7 may induce an immediate shedding of membrane-derived microvesicles containing IL1B and possibly inflammasome components. The cytokine is then released in the extracellular compartment after microvesicle lysis. 5. Release by translocation through permeabilized plasma membrane. This may occur in cells undergoing pyroptosis due to sustained activation of the inflammasome (By similarity). These mechanisms may not be not mutually exclusive.
Protein Length Protein fragment
Sequence CDMHEGIRLEMWTSQHKMKQLVNVIIALNRMKHIKPQSTEFGEKEVLDML MANVIQEREVNVVDSVPSYTKTKNVLQCTICDQYKKSLVRSGGSPHLQAV TLRAGSSDLKVRFSMSTYASPSAPATSAQPVCLGISKSNLYLACSPAEGS APHLVLKEISGSLETIKAGDPNGYDQLLFFRKETGSSINTFESVKCPGWF ISTAYEDSQMVEMDRKDTERIINFELQDKVRI,Belongs to the IL-1 family.
Shipping & Storage
Shipping Shipped on dry ice.
Storage Store at +4°C short term (1-2 weeks). Upon delivery aliquot. Store at -20°C or -80°C. Avoid freeze / thaw cycle.
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