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Recombinant Mouse Neuropilin-1/NRP1/VEGF165R/CD304 Protein (RP01869)

Recombinant Mouse Neuropilin-1/NRP1/VEGF165R/CD304 Protein was determined by SDS-PAGE with Coomassie Blue, showing a band at 120-140 kDa.

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货号: RP01869
促销价:   ¥620
货    期:现货产品
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详细信息

种属
Mouse
表达宿主
HEK293 cells
Calculated MW
94.51 kDa
Observed MW
120-140 kDa
标签
C-His
内毒素
<0.001EU/μg of the protein by LAL method.
制剂
Lyophilized from a 0.22 μm filtered solution of PBS, pH 7.4.
描述
Recombinant Mouse Neuropilin-1/NRP1/VEGF165R/CD304 Protein is produced by HEK293 cells expression system. The target protein is expressed with sequence (Phe22-Pro856) of Mouse Neuropilin-1/NRP1/VEGF165R/CD304(Accession #NP_032763.2) fused with a His tag at the C-terminus.
储存
Store at -20℃.Store the lyophilized protein at -20℃ to -80 ℃ up to 1 year from the date of receipt.
After reconstitution, the protein solution is stable at -20℃ for 3 months, at 2-8℃ for up to 1 week.未开盖的干粉蛋白在 -20°C至-80°C可保存12个月;
复溶之后,蛋白溶液在-20°C及以下可保存3个月,在2-8℃可保存1周。
复溶
Centrifuge the vial before opening. Reconstitute to a concentration of 0.1-0.5 mg/mL in sterile distilled water. Avoid vortex or vigorously pipetting the protein. For long term storage, it is recommended to add a carrier protein or stablizer (e.g. 0.1% BSA, 5% HSA, 10% FBS or 5% Trehalose), and aliquot the reconstituted protein solution to minimize free-thaw cycles.收到重组蛋白产品之后请检查蛋白冻干粉末是否贴于瓶底,如果粉末浮起,开盖之前请先低温离心。将蛋白用说明书中指定的缓冲液复溶至0.1-0.5 mg/mL(请注意蛋白复溶浓度不能低于0.1 mg/mL),室温平衡5-10 min保证充分溶解,复溶过程中请不要剧烈涡旋及吹打蛋白溶液。如需长期储存,建议复溶时添加载体蛋白或者稳定剂(如0.1% BSA, 5% HSA, 10% FBS 或者 5% 海藻糖),同时将复溶后的蛋白溶液按照需求进行分装,储存于-20°C至-80°C,随取随用,避免反复冻融。

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背景信息

Neuropilin-1 (Npn-1, previously neuropilin; also CD304 or BDCA4 in humans) is a 130140 kDa type I transmembrane (TM) glycoprotein that regulates axon guidance and angiogenesis. The full-length 923 amino acid (aa) mouse Npn-1 contains a 623 aa extracellular domain (ECD) that shares 98% aa identity with rat and 93% aa identity with human, equine, bovine and canine Npn-1 . The ECD contains two N-terminal CUB domains (termed a1a2), two domains with homology to coagulation factors V and VIII (b1b2) and a MAM (meprin) domain (c). At least one splice variant that diverges at aa 587 and lacks the TM domain has been sequenced . This form is potentially a soluble antagonist, based on results from human Npn-1 splice variants . The sema domains of Class III secreted semaphorins such as Sema3A bind Npn-1 a1a2 . Heparin, the heparin-binding forms of VEGF (VEGF165, VEGF-B and VEGF-E), PlGF (PlGF2), and the Cterminus of Sema3 bind the b1b2 region . Npn-1 and Npn-2 share 48% aa identity within the ECD and can form homo- and hetero-oligomers via interaction of their MAM domains . Neuropilins show partially overlapping expression in neuronal and endothelial cells during development. Both Neuropilins act as co-receptors with plexins, mainly plexin A3 and A4, to bind class III semaphorins that mediate axon repulsion . However, only Npn-1 binds Sema3A, and only Npn-2 binds Sema3F . Both are coreceptors with VEGF R2 (also called KDR or Flk-1) for VEGF165 binding . Sema3A signaling can be blocked by VEGF165, which has higher affinity for Npn-1 . Npn-1 is preferentially expressed in developing or remodeling arteries . Npn-1 is also expressed on dendritic cells and mediates DC-induced T cell proliferation .

基因ID
Swiss Prot
别名
BDCA4; BDCA-4; CD304 antigen; CD304; DKFZp686A03134; DKFZp781F1414; neuropilin 1; Neuropilin1; Neuropilin-1; NP1; NRP; NRP1; transmembrane receptor; Vascular endothelial cell growth factor 165 receptor; VEGF165R
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