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.
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.
產品提供形式:
Lyophilized
powder
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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.
復溶:
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.
儲存條件:
Store at -20°C/-80°C upon receipt, aliquoting is
necessary for
mutiple use. Avoid repeated freeze-thaw cycles.
保質期:
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.
貨期:
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.
注意事項:
Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet :
Please contact us to get it.
產品評價
靶點詳情
功能:
Functions as a transcription factor during endoplasmic reticulum (ER) stress by regulating the unfolded protein response (UPR). Required for cardiac myogenesis and hepatogenesis during embryonic development, and the development of secretory tissues such as exocrine pancreas and salivary gland. Involved in terminal differentiation of B lymphocytes to plasma cells and production of immunoglobulins. Modulates the cellular response to ER stress in a PIK3R-dependent manner. Binds to the cis-acting X box present in the promoter regions of major histocompatibility complex class II genes. Involved in VEGF-induced endothelial cell (EC) proliferation and retinal blood vessel formation during embryonic development but also for angiogenesis in adult tissues under ischemic conditions. Functions also as a major regulator of the UPR in obesity-induced insulin resistance and type 2 diabetes for the management of obesity and diabetes prevention.; Acts as a weak transcriptional factor. Together with HDAC3, contributes to the activation of NFE2L2-mediated HMOX1 transcription factor gene expression in a PI(3)K/mTORC2/Akt-dependent signaling pathway leading to EC survival under disturbed flow/oxidative stress. Binds to the ER stress response element (ERSE) upon ER stress. Binds to the consensus 5'-GATGACGTG[TG]N(3)[AT]T-3' sequence related to cAMP responsive element (CRE)-like sequences. Associates preferentially to the HDAC3 gene promoter region in a static flow-dependent manner. Binds to the CDH5/VE-cadherin gene promoter region.
基因功能參考文獻:
These results suggest that overexpression of activated XBP1s protects against neuronal cell death following O3 exposure and that activation of the XBP1s pathway may offer a preventative way for prophylactic treatment of spinal cord neurons exposed to O3. PMID: 29956773
XBP-1 and PARP protein are sensitive to variations in fluorine concentration, which indicates that oxidative stress from fluorine exposure can lead to apoptosis. XBP-1 and PARP may be the key proteins during the entire process. PMID: 26883836
Enhanced splicing of XBP-1 was observed in BCL-2 overexpressing cells implicating BCL-2 in the complex regulation of IRE1alpha activity. PMID: 26319553
that XBP1 is an important gene involved in regulation of the anti-oxidant defense in the RPE, and that impaired activation of XBP1 may contribute to RPE dysfunction and cell death during retinal degeneration and AMD. PMID: 22715395
XBP1 lymphocyte expression is down-regulated under conditions of psychological stress in rats. PMID: 25007519
XBP1s is linked to suppressed gluconeogenesis in the Ebb phase of burn injury. PMID: 23508570
The study provides evidence that spliced XBP1 (XBP1S) pathway of endoplasmic reticulum stress was suppressed in high glucose-treated renal mesangial cells and renal cortex of diabetic rats. PMID: 23457509
Failure of the transgenic unfolded protein response and XBP1 are implicated in DNA binding protein TAR(TDP)-43 pathogenesis. PMID: 22970712
Found that suppression of XBP1 activation accelerates neuronal cell death after ischemia/reperfusion. PMID: 22580202
Mild endoplasmic reticulum stress augments the proinflammatory effect of IL-1beta in pancreatic rat beta-cells via the IRE1alpha/XBP1s pathway PMID: 22529213
Partial knockdown of XBP1 is not sufficient to protect precursor oligodendrocytes from ischemic damage. PMID: 21337367
Hepatic nuclear factor 1alpha (HNF1alpha) dysfunction down-regulates X-box-binding protein 1 (XBP1) and sensitizes beta-cells to endoplasmic reticulum stress. PMID: 21784843
X-box binding protein 1 regulates brain natriuretic peptide through a novel AP1/CRE-like element in cardiomyocytes PMID: 20170659
Binding of Hsp72 to IRE1alpha enhances IRE1alpha/XBP1 signaling at the endoplasmic reticulum (ER) and inhibits ER stress-induced apoptosis. PMID: 20625543
XBP1 has a distinct inhibitory role in beta cell as compared with other cell types. Prolonged XBP1s production hampers beta cell function via inhibition of insulin, Pdx1 and Mafa expression, eventually leading to beta cell apoptosis. PMID: 20349222
In hippocampal neurons after brain ischemia and reperfusion injury, only Xbp1 and chop showed increases in mRNA. PMID: 17715997
expression correlates positively with percent volume of ameloblast endoplasmic reticulum PMID: 18946015