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(chǎn)品提供形式:
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.
復(fù)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(zhì)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.
Sodium/ascorbate cotransporter. Mediates electrogenic uptake of vitamin C, with a stoichiometry of 2 Na(+) for each ascorbate.
基因功能參考文獻(xiàn):
enhanced expression of the high affinity ascorbic acid transporter SVCT2, which tightly regulates intracellular ascorbic acid concentrations. PMID: 26646539
mutant KRAS can be bypassed by L-ascorbic acid in an SVCT-2-dependent manner. Furthermore, SVCT-2 in mutant KRAS colon cancer may act as a potent marker for potentiating L-ascorbic acid co-treatment with cetuximab. PMID: 27012422
These data suggest that both fruit intake and genetic marker in SLC23A2 may play an independent role in chronic lymphocytic leukemia biology. PMID: 26838684
Ascorbic acid kills cholangiocarcinoma cells via DNA damage, ATP depletion, and inhibition of mTOR pathway in a SVCT-2 dependent manner. PMID: 28385602
Our findings show, for the first time, that transporters of the water-soluble vitamin ascorbic acid (i.e., the vitamin C transporters SVCT-1 and SVCT-2) are differentially expressed along the length of the intestinal tract and that the pattern of expression is mediated, at least in part, by transcriptional and epigenetic mechanism(s) affecting both Slc23a1 and Slc23a2 genes. PMID: 27932501
Significant methylation changes in the SLC23A2 and NCOR2 regulatory regions. PMID: 25821969
Vitamin C supplementation significantly increases skeletal muscle SVCT2 protein expression. PMID: 25242204
ascorbic acid uptake mechanism, kinetics, and regulation by sodium dependent vitamin C transporter (SVCT2) in MDA-MB231, T47D and ZR-75-1 cells. PMID: 25102111
Together, these data clarify previous inconsistencies in the literature andimplicate SVCT2 as the pericyte ascorbate transporter. PMID: 25645015
The functional expression of SVCT2 was detected in HEK293 cells.The kinetic analysis suggested that an ascorbate-dependent mechanism accounts for targeted SVCT2 expression in the developing kidney during medullary epithelial cell differentiation. PMID: 22990596
We propose that the mitochondrial localization of SVCT2 is a property shared across cells, tissues, and species. PMID: 24594434
Demonstrate that the expression of SVCT2 transporter is significantly down-regulated in human grade 3 osteoarthritic tissues. PMID: 24401033
polymorphisms in SLC23A1/2 genes influenced ascorbate concentration in aqueous humor and lens nucleus. PMID: 24815519
Genetic variation in the sodium-dependent vitamin C transporter 2 may have a role in acute coronary syndrome in women PMID: 23990905
Data show that the mRNA level of svct2 was approximately 600- to 900-fold higher than that of svct1 indicating SVCT2 is a main isoform in fibroblast OUMS-36 cells, and no significant difference in svct2 mRNA and protein between young and old cells. PMID: 23613229
Low SVCT2 transporter is associated with Type I diabetes. PMID: 23999113
Data suggest that N-terminal and C-terminal sorting signals interact, directly or indirectly, within each gene family (here, SVCT1 and SVCT2) in basolateral targeting of transmembrane proteins to basolateral cell membrane. PMID: 23837633
confirmed the association between rs1279683 (SLC23A2) and primary open-angle glaucoma PMID: 23401652
The novel demonstration of SVCT2-dependent mitochondrial transport of ascorbic acid. PMID: 23288661
glutathione depletion failed to affect ascorbic acid transport, and SVCT1 and SVCT2 expression in hepatoma cells. Therefore, our data indicate an essential role for glutathione in controlling vitamin C metabolism in rat hepatocytes and rat hepatoma cells PMID: 22348976
The rs1279683 single-nucleotide polymorphisms in SLC23A2 was significantly associated with lower plasma concentrations of vitamin C and with higher risk of primary open-angle glaucoma in GG subjects. PMID: 22171153
In patients with hepatocellular cholestasis, primary biliary cirrhosis, haemochromatosis and non-alcoholic steatohepatitis, using real-time RT-PCR, an enhanced hepatic expression of both SLC23A1 and SLC23A2 was found. PMID: 21733302
Thus CpG methylation at the upstream USF-binding site functions in establishing and maintaining cell-specific transcription from the CpG-poor SVCT2 exon 1a promoter. PMID: 21770893
Differential occupancy of transcription factors on the GC-rich consensus sequences in the sodium-dependent vitamin C transporter (SVCT2) exon 1b promoter contributes to the regulation of cell and tissue expression of SVCT2. PMID: 21335086
hSVCT1 and 2 promoters establish that ascorbic acid uptake by human liver epithelial cells is adaptively regulated and show that transcriptional mechanisms via HNF-1 in the hSVCT1 promoter may, in part, be involved in this regulation. PMID: 20471816
Observational study of gene-disease association and gene-environment interaction. (HuGE Navigator) PMID: 19170196
both NH(2)- and COOH-terminal sequences are essential for proper localization of hSVCT2, cell surface delivery is dependent on intact microtubules, and peripheral microfilaments regulate insertion and retrieval of hSVCT2 into the plasma membrane PMID: 19926816
These findings suggest a mechanism of ascorbic acid uptake regulation whereby an alternative sodium-ascorbate cotransporter 2 (SVCT2) gene product inhibits transport through the two known ascorbic acid transporters. PMID: 15060139
Functionally expressed in human endothelial cells and negatively regulated by inflammatory cytokines. May provide new insight into treatment of cardiovascular diseases with ascorbic acid. PMID: 15340249
SVCT2 mediates the secondary active and concentrative transport of ascorbic acid in human chondrocytes PMID: 15921655
Functionally, SVCT1 expression led to more transport activity from the apical membrane, while SVCT2 expression only increased the uptake under the condition when basolateral membrane was exposed. PMID: 15993839
Findings link genetic variants in the vitamin C transporter gene SLC23A2 to spontaneous preterm birth. PMID: 16357110
The promoter functionality of the two genomic regions of the hSVCT2 upstream of these alternative first exons in human Vascular Smooth Muscle Cells was tested. PMID: 16380174
SVCT2 may switch between a number of states with characteristic properties, including an inactive conformation in the absence of Ca(2+)/Mg(2+) PMID: 17012227
SVCT2 mRNA expression in human first-trimester chorionic villi but not in term placental tissue. PMID: 17092984
SVCT2 expression can be regulated at the translational level by ascorbic acid and the redox state. PMID: 17291984
SVCT1 is responsible for epidermal ascorbic acid supply, whereas SVCT2 mainly facilitates ascorbic acid transport in the dermal compartment PMID: 17664139
The results suggest that uncharged His109 of hSVCT2, directly or indirectly, contributes to substrate binding through the hydrogen bond. PMID: 18247577
all three proximal tubule segments expressed the transporter but the S3 segment had the highest expression; Ascorbic acid transport in these cells was regulated by a single kinetic component that depended on the sodium concentration, pH and temperature PMID: 18614995
N-Glycosylation is therefore essential for SVCT2 functionality. PMID: 18619416
estrogen receptor 1, vitamin C receptors SLC23A1 and SLC23A2, and matrix metalloproteinase MMP3 and MMP9 are associated with susceptibility to lymphoma PMID: 18636124
For SLC23A2, overall, there was no colorectal adenoma association with haplotypes, but two SNPs located in intron 8 and exon 11 could be associated (odds ratio = 0.49, 95% confidence interval = 0.25-0.95 for haplotype G-C vs. haplotype C-C). PMID: 18791929
hSVCT2 protein and mRNA are expressed at higher levels in HepG2 cells and native human liver, and the cloned hSVCT2 promoter has more activity in HepG2 cells. PMID: 18845575
transports Vitamin C, a vital antioxidant, into the brain PMID: 19162177
These results collectively suggested a default apical targeting of SVCT, which is consistent with the evolution-based prediction. PMID: 19216494
increased expression during macrophage differentiation PMID: 19232538
common variants in SLC23A2, a gene that directly regulates active transport of ascorbic acid, can impact gastric cancer risk PMID: 19243932
SLC23A2 genetic variation alters HPV16-associated HNSCC while also highlighting the important role of citrus exposure in this disease. PMID: 19346260