CST9, 29-159aa, Human

Proteins, Recombinant
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Product Name CST9, 29-159aa, Human
Applications SDS-PAGE
Background Cystatin 9, also known as CST9, is a member of the CRES (cystatin-related epididymal spermatogenic) subfamily. The CRES (cystatin-related epididymal spermatogenic) protein defines a newsubgroup in the family 2 cystatins of the cystatin superfamily. Some of the members are active cysteine protease inhibitors, while others have lost or perhaps never acquired this inhibitory activity. CST9 is expressed in heart, placenta, lung, liver, skeletal muscle and pancreas. CST9 is thought to play a role in hematopoietic differentiation or inflammation. It has also been shown to be upregulated by LPS in some cancer cell lines, such as promyelocytic leukemia (HL-60) and myelomonocytic leukemia. Recombinant human CST9 protein, fused to His-tag at N-terminus, was expressed in E.coli.
Concentration 0.5mg/ml (determined by Bradford assay)
Form Liquid, in 20mM Tris-HCl buffer (pH 8.0) containing 5mM DTT, 20% glycerol, 200mM NaCl
Species Human
Host E.coli
Intended Use For Research Use Only
Molecular Weight 24.5kD (224aa), confirmed by MALDI-TOF
NCBI Accession # NP_001008693
Purity > 90% by SDS-PAGE
References Sun H., et al. (2003) Biochem Biophys Res Commun. 301:176-182.
Von Horsten H H., et al. (2007) J Biol Chem. 282:32912-32923.
Storage Can be stored at +4C short term (1-2 weeks). For long term storage, aliquot and store at -20C or -70C. Avoid repeated freezing and thawing cycles.
Synonyms Cystatin 9, CLM
Tag His-tag

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