| 产品编号 |
产品名称 |
产品包装 |
产品价格 |
| P5133-2μg |
Recombinant Human IL-5 |
2μg |
464.00元 |
|
Species
|
Gene ID
|
Accession
|
Source
|
Length
|
MW
|
Tag
|
|
Human
|
3567
|
P05113
|
E. coli
|
116aa
|
26.5kDa
|
－
|
|
About this protein
|
|
Name
|
Recombinant Human IL-5 (Recombinant Human Interleukin-5; rHuIL-5)；重组人白细胞介素5
|
|
Synonyms
|
BCDF mu; BCGFII; EDF; Eo-CSF; TRF; B-cell differentiation factor I; EDF; Eosinophil differentiation factor; IL-5T-cell replacing factor; interleukin 5 (colony-stimulating factor, eosinophil); interleukin-5; TRFB cell differentiation factor I
|
|
Purity
|
>98% by SDS-PAGE and HPLC analyses.
|
|
Biological Activity
|
Fully biologically active when compared to standard. The ED50 as determined by a cell proliferationassay using human TF-1 cells is less than 0.1ng/ml, corresponding to a specific activity of >1.0×107IU/mg.
|
|
Physical Appearance
|
Sterile Filtered lyophilized (freeze-dried) liquid-like powder.
|
|
Formulation
|
Lyophilized from a 0.2μm filtered concentrated solution in 20mM PB, pH7.5, 3% trehalose, 0.1% Tween-80.
|
|
Endotoxin
|
Less than 1EU/μg of rHuIL-5 as determined by LAL method.
|
|
Reconstitution
|
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 0.1-1.0mg/ml. Stock solutions should be apportioned into working aliquots and stored at ≤-20℃. Further dilutions should be made in appropriate buffered solutions.
|
|
Category
|
Cytokine
|
|
Background
|
The IL-5 gene is located on chromosome 5 in humans, in close proximity to the genes encoding IL-3, IL-4, and granulocytemacrophage colony-stimulating factor (GM-CSF), which are often co-expressed in TH2 cells. Through binding to the IL-5 receptor, IL-5 stimulates B cell growth and increases immunroglobulin secretion. It is also a key mediator in eosinophil activation. Interleukin-5 has long been associated with the cause of several allergic diseases including allergic rhinitis and asthma. IL-5 is a 115-amino acid (in human, 133 in the mouse) -long TH2 cytokine that is part of the hematopoietic family. Unlike other members of this cytokine family (namely IL-3 and GM-CSF), this glycoprotein in its active form is a homodimer.
|
|
Amino Acid Sequence
|
MIPTEIPTSA LVKETLALLS THRTLLIANE TLRIPVPVHK NHQLCTEEIF QGIGTLESQT VQGGTVERLF KNLSLIKKYI DGQKKKCGEE RRRVNQFLDY LQEFLGVMNT EWIIES
|
包装清单:
|
产品编号
|
产品名称
|
包装
|
|
P5133-2μg
|
Recombinant Human IL-5
|
2μg
|
|
P5133-10μg
|
Recombinant Human IL-5
|
10μg
|
|
P5133-100μg
|
Recombinant Human IL-5
|
100μg
|
|
P5133-1mg
|
Recombinant Human IL-5
|
1mg
|
|
-
|
说明书
|
1份
|
保存条件:
-20℃或更低温度保存，至少一年有效。由于蛋白的每次冻融均会引起部分失活，所以首次配制成相应浓度的储存液后(请根据产品简介中Reconstitution一栏的信息配制储存液)，须分装后-20℃或更低温度冻存，以避免反复冻融。
注意事项:
由于有些塑料管壁对某些蛋白有较强的吸附作用，溶液中的蛋白很容易粘附在管壁上，并且粘附后的蛋白很难与管壁分离。而载体蛋白(Carrier protein，如0.1% BSA等)的主要作用是预先封闭塑料管壁上的蛋白结合位点，使细胞因子或重组蛋白不会粘附于管壁。所以一定要使用产品简介中Reconstitution一栏的信息配制储存液。
本产品在冻干时添加了海藻糖作为保护剂，此时冻干后本产品看起来仍然像是液体，属于正常现象。在冻干工艺上，海藻糖作为常用的冻干保护剂，可显著阻止蛋白质二级结构的改变，防止冻干过程中的蛋白变性。
本产品仅限于专业人员的科学研究用，不得用于临床诊断或治疗，不得用于食品或药品，不得存放于普通住宅内。
为了您的安全和健康，请穿实验服并戴一次性手套操作。