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分子别名（Synonym）
FCGR3A,CD16A,FCG3,FCGR3,IGFR3
表达区间及表达系统（Source）
Human CD16a (F176), His Tag (CDA-H5220) is expressed from human 293 cells (HEK293). It contains AA Gly 17 - Gln 208 (Accession # P08637-1).
Predicted N-terminus: Gly 17
Request for sequence蛋白结构（Molecular Characterization）
This protein carries a polyhistidine tag at the C-terminus.
The protein has a calculated MW of 23.7 kDa. The protein migrates as 39-51 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE) due to glycosylation.
偶联（Conjugate）
Unconjugated
内毒素（Endotoxin）
Less than 1.0 EU per μg by the LAL method.
纯度（Purity）
95% as determined by SDS-PAGE.
90% as determined by SEC-MALS.
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 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.
质量管理控制体系（QMS）
产品展示
电泳（SDS-PAGE）
Human CD16a (F176), His Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95% (With Star Ribbon Pre-stained Protein Marker).
SEC-MALS
The purity of Human CD16a (F176), His Tag (Cat. No. CDA-H5220) is more than 90% and the molecular weight of this protein is around 30-45 kDa verified by SEC-MALS.
Report
活性（Bioactivity）-SPR
Human CD16a (F176), His Tag (Cat. No. CDA-H5220) captured on CM5 chip via anti-His antibody can bind Rituximab biosimilar (Cat. No. CD0-M36) with an affinity constant of 1.18 µM as determined in a SPR assay (Biacore 8K) (QC tested).
Protocol
Rituximab biosimilar (Cat. No. CD0-M36) captured on Protein A Chip can bind Human CD16a (F176), His Tag (Cat. No. CDA-H5220) with an affinity constant of 1.98 µM as determined in a SPR assay (Biacore 8K) (Routinely tested).
Protocol
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背景介绍
CD16a antigen is also known as Low affinity immunoglobulin gamma Fc region receptor III-A, Fc-gamma RIII-alpha. CD16b is a low-affinity, GPI-linked receptor expressed by neutrophils and eosinophils, whereas CD16a is an intermediate affinity polypeptide-anchored transmembrane glycoprotein expressed natural killer cells, macrophages, subpopulation of T-cells, immature thymocytes and placentaltrophoblasts.CD16a is involved in phagocytosis, secretion of enzymes and inflammatory mediators, antibodydependent cytotoxicity and clearance of immune complexes. Aberrant expression or mutations of CD16a is implicated in susceptibility to recurrent viral infections, systemic lupus erythematosus, and alloimmune neonatal neutropenia.
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