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重组人I-309 / CCL1蛋白

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  • 产品名称:重组人I-309 / CCL1蛋白
  • 产品型号:rHuI-309/CCL1
  • 产品展商:KALANG
  • 产品文档:无相关文档
  • 发布时间:2018-07-13
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简单介绍
重组人I-309 / CCL1蛋白与其它公司提供的重组蛋白不同,rHuI-309/CCL1蛋白产品为采用CFS的无细胞麦胚蛋白合成系统表达出来的重组蛋白,可表达出对细胞有毒性、易被蛋白酶降解的蛋白;并获得具有良好的可溶性,并有翻译后修饰、从而部分具有功能的蛋白.同时独有的全自动蛋白纯化技术则简便高效,将蛋白纯化过程中对蛋白的损伤降低到*小程度.重组人I-309 / CCL1蛋白(全长序列)产品可用于Western Blot验证、抗体制备、蛋白检测、ELISA等试验中.
产品描述

重组人I-309 / CCL1蛋白

Synonyms Small-inducible cytokine A1, T lymphocyte-secreted protein I-309
Species Human
Accession P22362
GeneID 6346
Source Escherichia coli.
Molecular Weight 重组人I-309 / CCL1蛋白Approximately 8.6 kDa, a single, non-glycosylated polypeptide chain containing 74 amino acids.
Quantity 2µg/10µg/1000µg
AA Sequence SKSMQVPFSR CCFSFAEQEI PLRAILCYRN TSSICSNEGL IFKLKRGKEA CALDTVGWVQ RHRKMLRHCP SKRK
Purity >97% by SDS-PAGE and HPLC analyses.
Biological Activity 重组人I-309 / CCL1蛋白Fully biologically active when compared to standard. The biological activity determined by a chemotaxis bioassay using human T-lymphocytes is in a concentration range of 10-100 ng/ml.
Physical Appearance Sterile Filtered White lyophilized (freeze-dried) powder.
Formulation Lyophilized from a 0.2 μm filtered concentrated solution in 20 mM PB, pH 7.4, 100 mM NaCl.
Endotoxin Less than 1 EU/μg of rHuI-309/CCL1 as determined by LAL method.
Reconstitution 重组人I-309 / CCL1蛋白We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in sterile distilled water or aqueous buffer containing 0.1 % BSA to a concentration of 0.1-1.0 mg/mL. Stock solutions should be apportioned into working aliquots and stored at ≤ -20 °C. Further dilutions should be made in appropriate buffered solutions.
Storage This lyophilized preparation is stable at 2-8 °C, but should be kept at -20 °C for long term storage, preferably desiccated. Upon reconstitution, the preparation is stable for up to one week at 2-8 °C. For maximal stability, apportion the reconstituted preparation into working aliquots and store at -20 °C to -70 °C. Avoid repeated freeze/thaw cycles.
重组人I-309 / CCL1蛋白
SDS-PAGE
Reference 1. Miller MD, Krangel MS. 1992. Proc Natl Acad Sci U S A. 89:2950-4.
2. Roos RS, Loetscher M, Legler DF, et al. 1997. J Biol Chem. 272:17251-4.
3. Miller MD, Wilson SD, Dorf ME, et al. 1990. J Immunol. 145:2737-44.
Background Chemokine (C-C motif) ligand 1 (CCL1) belongs to a family inflammatory cytokines and also known as chemokines. It is a small glycoprotein secreted by activated T cells with a molecular weight of approximately 8.5 kDa. CCL1 attracts monocytes, NK cells, and immature B cells and dendritic cells by interacting with a cell surface chemokine receptor called CCR8. Human CCL1 has been assumed to be a homologue of the mouse TCA3. While the two proteins share only approximately 42 % amino acid sequence identity, both chemokines contain an extra pair of cysteine residues not found in most other chemokines.

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