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- 技术资料
- 保存条件：
-20℃
- 保质期：
12个月
- 英文名：
Recombinant Interleukin 4 (IL4)
- 库存：
1000
- 供应商：
上海信裕
白介素4(IL4)重组蛋白
Recombinant Interleukin 4 (IL4)
FOR IN VITRO AND RESEARCH USE ONLY, NOT FOR USE IN CLINICAL DIAGNOSTIC PROCEDURES!
| Organism species | Rattus norvegicus (Rat) |
| Product No. | |
| Source | Eukaryotic expression |
| Host | 293F cell |
| Purity | > 95% |
| UOM | 50ug |
| Predicted Molecular Mass | 15.5kDa |
| Concentration | n/a |
| Applications | SDS-PAGE; WB; ELISA; IP. |
| Endotoxin Level | <1.0EU per 1µg (determined by the LAL method) |
| Residues | Cys25~Ser147 with a his-tag |
白介素4(IL4)重组蛋白
| Formulation | Supplied as lyophilized form in 20mM Tris, 150mM NaCl, pH8.0, containing 1mM EDTA, 1mM DTT, 0.01% sarcosyl, 5% trehalose, and preservative. |
SEQUENCES
The sequence of the target protein is listed below.
CNDSPL REIINTLNQV TEKGTPCTEM FVPDVLTATR NTTENELICR ASRVLRKFYF PRDVPPCLKN KSGVLGELRK LCRGVSGLNS LRSCTVNEST LTTLKDFLES LKSILRGKYL QSCTSMS
CNDSPL REIINTLNQV TEKGTPCTEM FVPDVLTATR NTTENELICR ASRVLRKFYF PRDVPPCLKN KSGVLGELRK LCRGVSGLNS LRSCTVNEST LTTLKDFLES LKSILRGKYL QSCTSMS
USAGE
白介素4(IL4)重组蛋白Reconstitute in sterile PBS, pH7.2-pH7.4.
STORAGE AND STABILITY
Storage: Avoid repeated freeze/thaw cycles. Store at 2-8oC for one month. Aliquot and store at -80oC for 12 months.
Stability Test: The thermal stability is described by the loss rate of the target protein. The loss rate was determined by accelerated thermal degradation test, that is, incubate the protein at 37oC for 48h, and no obvious degradation and precipitation were observed. (Referring from China Biological Products Standard, which was calculated by the Arrhenius equation.) The loss of this protein is less than 5% within the expiration date under appropriate storage condition.
Stability Test: The thermal stability is described by the loss rate of the target protein. The loss rate was determined by accelerated thermal degradation test, that is, incubate the protein at 37oC for 48h, and no obvious degradation and precipitation were observed. (Referring from China Biological Products Standard, which was calculated by the Arrhenius equation.) The loss of this protein is less than 5% within the expiration date under appropriate storage condition.
About the MARKER (complimentary)
白介素4(IL4)重组蛋白Effective Size Range: 10kDa to 70kDa.
Protein bands: 10kDa, 14kDa, 18kDa, 22kDa, 26kDa, 33kDa, 44kDa and 70kDa.
Double intensity bands: The 26kDa, 18kDa, 10kDa bands are at double intensity to make location and size approximation of proteins of interest quick and easy.
Ready-to-use: No need to heat, dilute or add reducing agents before use.
Protein bands: 10kDa, 14kDa, 18kDa, 22kDa, 26kDa, 33kDa, 44kDa and 70kDa.
Double intensity bands: The 26kDa, 18kDa, 10kDa bands are at double intensity to make location and size approximation of proteins of interest quick and easy.
Ready-to-use: No need to heat, dilute or add reducing agents before use.
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文献和实验相关实验
。 细菌来源细胞因子 上世纪70年代出现的基因工程重组技术，使得使用原核细菌宿主，如大肠杆菌进行天然蛋白的重组表达和生产风靡一时，因其速度快、生产成本低、产率高等优点，广泛用于包括细胞因子在内的多种重组蛋白表达的科研和生物制药领域。但随之而来，使用低等细菌进行蛋白表达的技术弊端也日益显现：低等原核细菌宿主表达的细胞因子，其结构和天然细胞因子蛋白有较大的差异。由于缺乏高等动物细胞中特有的各种细胞器，细菌表达的蛋白肽链无法完成翻译后修饰，缺乏必要的糖基化和磷酸化，二硫键配对完全随机；细菌
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白介素4(IL4)重组蛋白
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