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分子别名（Synonym）
TNFRSF17,CD269,BCM,BCMA
表达区间及表达系统（Source）
FITC-Labeled Human BCMA, Fc Tag (Cat. No. BCA-HF254) is expressed from human HEK293 cells. It contains AA Met 1 - Ala 54 (Accession # Q02223-1). It is the FITC labeled form of Human BCMA, Fc Tag (Cat. No. BC7-H5254).
Predicted N-terminus: Met 1
Request for sequence
蛋白结构（Molecular Characterization）
This protein carries a human IgG1 Fc tag at the C-terminus.
The protein has a calculated MW of 32.0 kDa. The protein migrates as 35-44 kDa under reducing (R) condition, and 60-75 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under non-reducing (NR) condition (SDS-PAGE) due to glycosylation.
偶联（Conjugate）
FITC
Excitation source: 488 nm spectral line, argon-ion laser
Excitation Wavelength: 488 nm
Emission Wavelength: 535 nm
标记（Labeling）
The primary amines in the side chains of lysine residues and the N-terminus of the protein are conjugated with FITC using standard chemical labeling method. The residual FITC is removed by molecular sieve treatment during purification process.
蛋白标记度（Protein Ratio）
The FITC to protein molar ratio is 1.5-3.
内毒素（Endotoxin）
Less than 1.0 EU per μg by the LAL method.
纯度（Purity）
>92% as determined by SDS-PAGE.
制剂（Formulation）
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.
Contact us for customized product form or formulation.
重构方法（Reconstitution）
Please see Certificate of Analysis for specific instructions.
For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.
存储（Storage）
For long term storage, the product should be stored at lyophilized state at -20°C or lower.
Please protect from light and avoid repeated freeze-thaw cycles.
This product is stable after storage at:
- -20°C to -70°C for 12 months in lyophilized state;
- -70°C for 3 months under sterile conditions after reconstitution.
产品数据图
电泳（SDS-PAGE）
FITC-Labeled Human BCMA Protein, Fc Tag on SDS-PAGE under reducing (R) and non-reducing (NR) conditions. The gel was stained with Coomassie Blue. The purity of the protein is greater than 92% (With Star Ribbon Pre-stained Protein Marker).
活性（Bioactivity）-ELISA
Immobilized Human BAFF, Fc Tag at 10 μg/mL (100 μL/well) can bind FITC-Labeled Human BCMA Protein, Fc Tag (Cat. No. BCA-HF254) with a linear range of 0.02-1.25 μg/mL (QC tested).
Protocol
活性（Bioactivity）-FACS
2e5 of anti-BCMA CAR-293 cells were stained with 100 μL of 3 μg/mL of FITC-Labeled Human BCMA Protein, Fc Tag (Cat. No. BCA-HF254) and negative control protein respectively. FITC signal was used to evaluate the binding activity (QC tested).
Protocol
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背景
Tumor necrosis factor receptor superfamily member 17 (TNFRSF17) is also known as B-cell maturation protein (BCMA), CD antigen CD269, which is a member of the TNF-receptor superfamily. TNFRSF17 contains one TNFR-Cys repeat. TNFRSF17 is expressed in mature B-cells, but not in T-cells or monocytes. TNFRSF17 is receptor for TNFSF13B/BLyS/BAFF and TNFSF13/APRIL. TNFRSF17 promotes B-cell survival and plays a role in the regulation of humoral immunity. TNFRSF17 can activate NF-kappa-B and JNK.
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