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分子别名（Synonym）
GPC3,OCI5,Glypican-3,GTR2-2,MXR7,DGSX,SDYS ,SGB,SGBS,SGBS1
表达区间及表达系统（Source）
FITC-Labeled Human Glypican 3, His Tag (Cat. No. GP3-HF2H1) is expressed from human HEK293 cells. It contains AA Gln 25 - His 559 (Accession # P51654-1). It is the FITC labeled form of Human Glypican 3, His Tag (Cat. No. GP3-H52H4).
Predicted N-terminus: Gln 25 & Ser 359
Request for sequence
蛋白结构（Molecular Characterization）
This protein carries a polyhistidine tag at the C-terminus.
This protein contains a furin-like convertase cleavage site, 355-RQYR-358, and will be partially processed into N and C-terminal fragment with calculated MW of 38.1 kDa and 24.6 kDa respectively. The protein migrates as 30 kDa, 38-40 kDa, and 65-90 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) 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 3.5-6.5.
内毒素（Endotoxin）
Less than 1.0 EU per μg by the LAL method.
纯度（Purity）
>90% 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 Glypican 3, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 90% (With Star Ribbon Pre-stained Protein Marker).
活性（Bioactivity）-ELISA
Immobilized Anti-hGPC3 antibody (Human IgG1) at 10 μg/mL (100 μL/well) can bind FITC-Labeled Human Glypican 3, His Tag (Cat. No. GP3-HF2H1) with a linear range of 0.078-0.625 μg/mL (QC tested).
Protocol
CAR阳性表达率检测（Evaluation of CAR expression）
FACS Analysis of anti-GPC3 CAR Expression
293 cells were transfected with anti-GPC3-scFv and RFP tag. 2e5 of the cells were stained with B. FITC-Labeled Human Glypican 3, His Tag (Cat. No. GP3-HF2H1, 3 µg/ml) and C. FITC-labeled Protein Control. A. Non-transfected 293 cells and C. FITC-labeled Protein Control were used as negative control. RFP was used to evaluate CAR (anti-GPC3-scFv) expression and FITC was used to evaluate the binding activity of FITC-Labeled Human Glypican 3, His Tag (Cat. No. GP3-HF2H1) (QC tested).
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背景
Glypican-3 (GPC3) is also known as Intestinal protein OCI-5, GTR2-2, MXR7, which belongs to the glypican family. Glypican 3 / GPC-3 is highly expressed in lung, liver and kidney. Glypican-3 inhibits the dipeptidyl peptidase activity of DPP4. Glypican-3 may be involved in the suppression/modulation of growth in the predominantly mesodermal tissues and organs, and also may play a role in the modulation of IGF2 interactions with its receptor and thereby modulate its function.
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