1. 重组蛋白
  2. CAR-T related Proteins CD Antigens
  3. CD19 B Cell CD Proteins Stem Cell CD Proteins Dendritic Cell CD Proteins
  4. CD19 蛋白, Cynomolgus/Rhesus Macaque (273a.a, HEK293, Fc)

CD19 蛋白, Cynomolgus/Rhesus Macaque (273a.a, HEK293, Fc)

目录号: HY-P7833
产品使用指南

CD19 是 B 细胞受体复合物的信号传导成分,能够降低抗原驱动激活的阈值。CD19 蛋白, Cynomolgus/Rhesus Macaque (273a.a, HEK293, Fc) 是重组的 CD19 蛋白,由 HEK293 表达,带有 C-hFc 标签。CD19 蛋白, Cynomolgus/Rhesus Macaque (273a.a, HEK293, Fc) 全长 273 个氨基酸,分子量为 80-110 kDa。

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描述

CD19 is a signaling component of the B-cell receptor complex that lowers the threshold for antigen-driven activation. CD19 Protein, Cynomolgus/Rhesus Macaque (273a.a, HEK293, Fc) is the recombinant Rhesus Macaque-derived CD19 protein, expressed by HEK293 , with C-hFc labeled tag. The total length of CD19 Protein, Cynomolgus/Rhesus Macaque (273a.a, HEK293, Fc) is 273 a.a., with molecular weight of 80-110 kDa.

研究背景

CD19 是 B 细胞受体复合物的信号传导成分,是通过降低抗原驱动激活的阈值来驱动 B 细胞分化和生发中心 (GC) 形成的调节因子。CD19 可多种膜蛋白(包括补体受体 2 型 (CD21) 和四跨膜蛋白 (CD81))形成复合物,从而降低抗原引发的 B 细胞激活的阈值。随后,CD19 复合物将激活磷脂酰肌醇 3-激酶信号通路,并随后释放细胞内储存的钙离子。CD19 被用于治疗淋巴细胞白血病的嵌合抗原受体 (CAR) T 细胞。抗 CD19 CAR-T 细胞法已被用于治疗 B 细胞恶性肿瘤,并在 B 细胞激活失调的系统性红斑狼疮 (SLE) 中发挥关键作用。CD19 还与冠状病毒有生物学关系,可能参与有关免疫反应或抗病毒活性。

种属

Rhesus Macaque

表达系统

HEK293

标签

C-hFc

蛋白编号

F7F486 (P20-K292)

基因 ID

705211  [NCBI]

蛋白结构
N-term
CD19 (P20-K292)
Accession # F7F486
hFc
C-term
同用名
rRhCD19 molecule/CD19, Fc; B-Lymphocyte Antigen CD19; B-Lymphocyte Surface Antigen B4; Differentiation Antigen CD19; T-Cell Surface Antigen Leu-12; CD19
氨基酸序列

PQEPLVVKVEEGDNAVLQCLEGTSDGPTQQLVWCRDSPFEPFLNLSLGLPGMGIRMGPLGIWLLIFNVSNQTGGFYLCQPGLPSEKAWQPGWTVSVEGSGELFRWNVSDLGGLGCGLKNRSSEGPSSPSGKLNSSQLYVWAKDRPEMWEGEPVCGPPRDSLNQSLSQDLTMAPGSTLWLSCGVPPDSVSRGPLSWTHVRPKGPKSSLLSLELKDDRPDRDMWVVDTGLLLTRATAQDAGKYYCHRGNWTKSFYLEITARPALWHWLLRIGGWK

分子量

80-110 kDa

纯度

Greater than 95% as determined by reducing SDS-PAGE

内毒素含量

<1 EU/μg, determined by LAL method.

文件资料
Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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The reconstitution calculator equation

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration
= ÷

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

浓度 (start) × 体积 (start) = 浓度 (final) × 体积 (final)
× = ×
C1   V1   C2   V2

The specific activity calculator equation

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)
Unit/mg = 106 ÷ ng/mL

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CD19 Protein, Cynomolgus/Rhesus Macaque (273a.a, HEK293, Fc)
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HY-P7833
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