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CST4 Proteins

(Cystatin S (CST4))
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. [provided by RefSeq, Jul 2008].
CST4 Protein (AA 1-141) (GST tag) CST4 Protein (AA 1-141) (GST tag) CST4 Protein (AA 1-141) (GST tag) (ABIN1350583)

CST4 Origin: Human Host: Wheat germ Recombinant WB, ELISA, AA, AP

CST4 Protein (AA 21-141) (His tag) (ABIN1096497)

CST4 Origin: Human Host: Human Cells Recombinant > 95 % as determined by reducing SDS-PAGE.

CST4 Protein (His tag) (ABIN7318378)

CST4 Origin: Human Host: Human Cells Recombinant > 95 % as determined by reducing SDS-PAGE.

CST4 Proteins by Origin

Find CST4 Proteins for a variety of species such as anti-Human CST4, anti-Rat CST4. The species listed below are among those available. Click on a link to go to the corresponding products.

CST4 Proteins by Source

Here you will find CST4 Proteins proteins organized by several key sources. By clicking on a link, you can access the products. For additional sources, please use our search function.

CST4 Proteins by Protein Type

Here you can find CST4 Proteins proteins categorized by available protein types. Additional protein types can be located using our search function.

CST4 Proteins by Application

Find CST4 Proteins validated for a specific application such as WB, ELISA, AP, AA. Some of the available applications are listed below. Click on a link to go to the corresponding products.

CST4 Proteins by Biological Activity

Find CST4 Proteins with a specific Biological Activity. The Biological Activity listed below are among those available. Click on a link to go to the corresponding products.

Popular CST4 Proteins

Product
Reactivity
Source
Validations
Cat. No.
Quantity
Datasheet
Reactivity Human
Source Wheat germ
Validations
  • (1)
Cat. No. ABIN1350583
Quantity 10 μg
Datasheet Datasheet
Reactivity Human
Source Human Cells
Validations
Cat. No. ABIN1096497
Quantity 50 μg
Datasheet Datasheet
Reactivity Human
Source Human Cells
Validations
Cat. No. ABIN7318378
Quantity 50 μg
Datasheet Datasheet
Reactivity Human
Source HEK-293 Cells
Validations
Cat. No. ABIN7519913
Quantity 50 μg
Datasheet Datasheet
Reactivity Human
Source Escherichia coli (E. coli)
Validations
Cat. No. ABIN7399703
Quantity 100 μg
Datasheet Datasheet
Reactivity Human
Source HEK-293 Cells
Validations
  • (1)
Cat. No. ABIN2712800
Quantity 20 μg
Datasheet Datasheet
Reactivity Human
Source HEK-293 Cells
Validations
Cat. No. ABIN2566495
Quantity 0.1 mg
Datasheet Datasheet
Reactivity Rat
Source Yeast
Validations
Cat. No. ABIN1474121
Quantity 1 mg
Datasheet Datasheet

Aliases for CST4 Proteins

cystatin S (CST4) Proteins
cystatin S (Cyss) Proteins
CST4 Proteins
Cst4 Proteins
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