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Recombinant Human CST1 Protein, His-tagged

Cat.No.: CST1-2038H
Product Overview: Recombinant Human Cystatin SN/CST1 Protein is produced by HEK293 expression system. The target protein is expressed with sequence (Trp21-Ser141) of human Cystatin SN/CST1 (Accession #NP_001889.2) fused with a 6×His tag at the C-terminus.
Description: 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, where they appear to provide protective functions. 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 cysteine proteinase inhibitor found in saliva, tears, urine, and seminal fluid.
Source: HEK293
Species: Human
Tag : His
Form: Lyophilized from sterile PBS, pH 7.4, 5 % trehalose, 5 % mannitol.
Protein length: Trp21-Ser141
Endotoxin: < 1.0 EU per μg of the protein as determined by the LAL method.
Purity: > 90% as determined by SDS-PAGE
Stability: Samples are stable for up to twelve months from date of receipt at -70ºC.
Storage: Store it under sterile conditions at -20ºC~-70ºC. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Reconstitution: It is recommended that sterile water be added to the vial to prepare a stock solution of 0.2 ug/ul. Centrifuge the vial at 4ºC before opening to recover the entire contents.
Gene Name: CST1 cystatin SN [ Homo sapiens ]
Official Symbol: CST1
Synonyms: CST1; cystatin SN; cystatin-SN; cystatin 1; cystatin-1; cystain-SA-I; cystatin SA-I; salivary cystatin-SA-1; cysteine proteinase inhibitor, type 2 family;
Gene ID: 1469
mRNA Refseq: NM_001898
Protein Refseq: NP_001889
MIM: 123855
UniProt ID: P01037

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