CST4 Protein (His tag)
CST4
Origin: Human
Host: HEK-293 Cells
Recombinant
> 95 % as determined by SDS-PAGE and Coomassie blue staining
AbP, STD
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- Target See all CST4 Proteins
- CST4 (Cystatin S (CST4))
- Protein Type
- Recombinant
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Origin
- Human
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Source
- HEK-293 Cells
- Purification tag / Conjugate
- This CST4 protein is labelled with His tag.
- Application
- Antibody Production (AbP), Standard (STD)
- Characteristics
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- Recombinant human Cystatin-S protein expressed in HEK293 cells.
- Produced with end-sequenced ORF clone
- Purity
- > 95 % as determined by SDS-PAGE and Coomassie blue staining
- Endotoxin Level
- < 0.1 EU per μg protein as determined by LAL test
- Top Product
- Discover our top product CST4 Protein
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Cystatin S (CST4) (AA 1-141) protein (GST tag)
CST4 Origin: Human Host: Wheat germ Recombinant WB, ELISA, AA, AP
Cystatin S (CST4) protein (Myc-DYKDDDDK Tag)CST4 Origin: Human Host: HEK-293 Cells Recombinant > 80 % as determined by SDS-PAGE and Coomassie blue staining AbP, STD
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- Application Notes
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Recombinant human proteins can be used for:
Native antigens for optimized antibody production
Positive controls in ELISA and other antibody assays - Comment
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The tag is located at the C-terminal.
- Restrictions
- For Research Use only
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- Buffer
- Lyophilized from a 0.2 μM filtered solution of 20 mM MES, 150 mM NaCl, pH 5.5. Stable for at least 6 months from date of receipt under proper storage and handling conditions.
- Storage
- -80 °C
- Storage Comment
- Store at -80°C. Thaw on ice, aliquot to individual single-use tubes, and then re-freeze immediately. Only 2-3 freeze thaw cycles are recommended.
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- Target
- CST4 (Cystatin S (CST4))
- Alternative Name
- Cystatin-S (CST4 Products)
- Synonyms
- CST4 Protein, Cst4 Protein, cystatin S Protein, CST4 Protein, Cyss Protein
- Background
- The cystatin superfamily encompasses proteins that contain multiple cystatin-like sequences. Some of the members are active cysteine protease inhibitors, while others have lost or perhaps never acquired this inhibitory activity. There are three inhibitory families in the superfamily, including the type 1 cystatins (stefins), type 2 cystatins and the kininogens. The type 2 cystatin proteins are a class of cysteine proteinase inhibitors found in a variety of human fluids and secretions. The cystatin locus on chromosome 20 contains the majority of the type 2 cystatin genes and pseudogenes. This gene is located in the cystatin locus and encodes a type 2 salivary cysteine peptidase inhibitor. The protein is an S-type cystatin, based on its high level of expression in saliva, tears and seminal plasma. The specific role in these fluids is unclear but antibacterial and antiviral activity is present, consistent with a protective function.
- Molecular Weight
- 15.2 kDa
- NCBI Accession
- NP_001890
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