Unit Definition:One unit is defined as the amount of enzyme required to cleave 1 nmol p-nitro-phenylphosphate(pNPP), in 1 minute at 37°C, pH10.0.The specific activity is >10370.37 U/mg.
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.
緩沖液:
Lyophilized from a 0.2 μm filtered 20 mM Tris-HCl, 0.5 M NaCl, 6% Trehalose, pH 8.0
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:
Basically, we can dispatch the products out in 3-7 working days after receiving your orders. Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
注意事項:
Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
產品描述:
Recombinant rat Alpi protein is an active protein produced in mammalian cells. Its expression region corresponds to the 21-511aa of the rat Alpi protein. It has high purity, >95% assessed by SDS-PAGE. The molecular weight of this Alpi protein on SDS-PAGE will appear at approximately 60-70kDa. Its endotoxin level is less than 1.0 EU/ug measured by the LAL method. It is expressed with a 10xHis-tag at N-terminus. The specific activity of this Alpi protein is >10370.37 U/mg.
Alpi is the encoding gene for IAP-1, a brush border metalloenzyme that hydrolyzes phosphate from the lipid A moiety of LPS and thereby significantly reduces TLR-4 agonist activity. In addition to detoxifying LPS, IAP-1 is involved in dephosphorylating pro-inflammatory nucleotides like ATP and UDP, bicarbonate secretion regulation and duodenal pH maintenance, intestinal epithelial barrier protection by modulating the levels of tight junction proteins like occludins, claudins, and zonula occludens, gut microbial community modulation, and autophagy induction. IAP-1 deficiency has been associated with a variety of diseases, including inflammatory bowel disease (IBD), type 2 diabetes, ischemic heart disease, aging, and metabolic syndrome.