品牌货号 产品名称 | 阿拉丁rp156087 Recombinant Human IFN-alpha-2B Protein |
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别名 | 重组人 IFN-alpha-2B 蛋白 |
英文别名 | IFN-alpha-2 | Interferon alpha-A | LeIF A |
规格或纯度 | 无动物源, Carrier Free, 生物活性, ActiBioPure™, ≥98%(SDS-PAGE&HPLC) |
产品介绍 | 干扰素(IFN)以其在宿主防御机制中的关键作用而闻名。Ⅰ型干扰素包括IFN-alpha 家族,IFN-beta, -omega,-kappa 和 Limitin/IFN-zeta,对调节病毒感染的免疫应答具有重要意义。Ⅱ型干扰素组仅包括干扰素γ。IFN-γ是一种多功能细胞因子,具有抗增殖、免疫调节和促炎症作用,对免疫应答的许多方面都很重要。Ⅲ型干扰素家族包括IL-29/IFN-lambda 1, IL-28A/IFN-lambda 2, IL-28B/IFN-lambda 3, and IFN-lambda 4。与Ⅰ型干扰素类似,Ⅲ型干扰素具有抗病毒、抗增殖和免疫调节作用。 IFN-αs are proteins secreted by leukocyte. They are mainly involved in innate immune response against viral infection. The IFN-α family has 13 subtypes and 23 different variants. The individual proteins have molecular masses between 19-26 kDa and consist of proteins with lengths of 156-166 and 172 amino acids. All IFN-α subtypes possess a common conserved sequence region between amino acid positions 115-151 while the amino-terminal ends are variable. Many IFN-alpha subtypes differ in their sequences at only one or two positions. Naturally occurring variants also include proteins truncated by 10 amino acids at the carboxy-terminal end. |
生物活性 | Fully biologically active when compared to standard. The specific activity determined by an anti-viral assay is no less than 1.6 × 10^8 IU/mg. |
内毒素水平 | <0.1 EU/μg |
表达系统 | 酵母 |
种属 | 人(Human) |
氨基酸 | 24-188 aa |
序列 | CDLPQTHSLG SRRTLMLLAQ MRRISLFSCL KDRHDFGFPQ EEFGNQFQKA ETIPVLHEMI QQIFNLFSTK DSSAAWDETL LDKFYTELYQ QLNDLEACVI QGVGVTETPL MKEDSILAVR KYFQRITLYL KEKKYSPCAW EVVRAEIMRS FSLSTNLQES LRSKE |
纯度 | >98% ( SDS-PAGE and HPLC) |
蛋白标签 | No tag |
蛋白长度 | Full length protein |
无载体 | Yes |
无动物源 | Yes |
Accession # | P01563 |
来源 | 重组表达 |
预测分子量 | 19.3 kDa |
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