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제품 세부정보
Synonyms
MSLN, Mesothelin, MPF
Source
Biotinylated Human Mesothelin (296-580) Protein, Fc Tag, primary amine labeling (MSN-H826x) is expressed from human 293 cells (HEK293). It contains AA Glu 296 - Gly 580 (Accession # AAH09272). It is the biotinylated form of Human Mesothelin (296-580), Fc Tag (Cat. No. MSN-H526x).
Request for sequenceMolecular Characterization
Other Tags and Version Biotin & Other Labeled Version
This protein carries a human IgG1 Fc tag at the N-terminus.
The protein has a calculated MW of 59.1 kDa. The protein migrates as 60-68 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
Labeling
The primary amines in the side chains of lysine residues and the N-terminus of the protein are conjugated with biotins using standard chemical labeling method. A standard biotin reagent (13.5 angstroms) is used in this product.
Protein Ratio
Passed as determined by the HABA assay / binding ELISA.
Endotoxin
Less than 0.1 EU per μg by the LAL method / rFC method.
Purity
>95% as determined by SDS-PAGE.
Formulation
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.
Contact us for customized product form or formulation.
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.
Shipping and Storage
This product is shipped at ambient temperature.
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.
ACRO Quality Management System
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SDS-PAGE
Biotinylated Human Mesothelin (296-580) Protein, Fc Tag, primary amine labeling on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95%.
SEC-MALS
The purity of Biotinylated Human Mesothelin (296-580) Protein, Fc Tag, primary amine labeling (Cat. No. MSN-H826x) is more than 85% and the molecular weight of this protein is around 125-153 kDa verified by SEC-MALS.
Report
Bioactivity-ELISA
Immobilized Anti-Human MSLN Mab at 0.5 μg/mL (100 μL/well) can bind Biotinylated Human Mesothelin (296-580) Protein, Fc Tag, primary amine labeling (Cat. No. MSN-H826x) with a linear range of 0.5-8 ng/mL (QC tested).
Protocol
Evaluation of CAR expression
FACS Analysis of Anti-MSLN CAR Expression
293 cells were transfected with anti-MSLN-scFv and RFP tag. 2e5 of the cells were first stained with B. Biotinylated Human Mesothelin (296-580) Protein, Fc Tag, primary amine labeling (Cat. No. MSN-H826x, 3 µg/ml) and C. Biotinylated Protein Control, followed by FITC Streptavidin. A. Non-transfected 293 cells and C. Biotinylated Protein Control were used as negative control. RFP was used to evaluate CAR (anti-MSLN-scFv) expression and FITC was used to evaluate the binding activity of Biotinylated Human Mesothelin (296-580) Protein, Fc Tag, primary amine labeling (Cat. No. MSN-H826x).
Protocol
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FAQ
- product
Can lyophilized proteins remain stable during room-temperature shipping or temporary room-temperature exposure?
In general, lyophilized proteins remain stable during room-temperature shipping or temporary exposure to room-temperature conditions.
Many ACROBiosystems recombinant proteins are supplied in lyophilized (freeze-dried) form. The lyophilization process effectively removes moisture from the product, helping reduce degradation-related reactions and improve protein stability during transportation and storage.
To evaluate the stability of lyophilized proteins under normal temperature conditions, ACROBiosystems conducted a stability study on 11 representative lyophilized protein products at 37°C. The study demonstrated that these proteins maintained good quality stability after storage at 37°C for approximately 20 days. Based on these validation results, temporary room-temperature exposure during shipping or handling is generally not expected to have a significant impact on product quality or downstream application performance.
To ensure optimal long-term stability, products should be stored according to the storage conditions specified in the product Certificate of Analysis (COA) upon receipt.
Supporting Document
배경 소개
프론티어 진행
의약품 개발 진행- 영어 이름：
Mesothelin
- 카테고리：
- 상장 의약품 수：
0 상세
- 임상 의약품 수：
55 상세
- 최고 개발 단계：
Phase 2 Clinical
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