Recombinant Human Cystatin SN/CST1 Protein (His Tag)

Product Specifications

Background

Cystatin-SN is a member of family 2 of the Cystatin superfamily and a cysteine proteinase inhibitor found in saliva, tears, urine, and seminal fluid. Together with Cystatins S and SA, it is produced by the salivary gland and secreted largely in the submandibular/sublingual saliva. Cystatin-SN inhibits members of the Papain family including Cathepsins B, C, H and L.

Abbreviation

Cystatin SN; CST1

Synonyms

CST1; Cystain-SA-I; Cystatin-1; Cystatin-SN; Salivary Cystatin-SA-1

UniProt

P01037

Accession Number

P01037

Expression System

HEK293 Cells

Tag

C-His

Sequence

Trp21-Ser141

Field of Research

Cell biology

Endotoxin

< 1.0 EU per μg of the protein as determined by the LAL method.

Purity

> 95 % as determined by reducing SDS-PAGE.

Bioactivity

Not validated for activity

Reconstitution

Please refer to the printed manual for detailed information.

Shipping Conditions

This product is provided as lyophilized powder which is shipped with ice packs.

Storage Conditions

Generally, lyophilized proteins are stable for up to 12 months when stored at -20 to -80°C. Reconstituted protein solution can be stored at 4-8°C for 2-7 days. Aliquots of reconstituted samples are stable at < -20°C for 3 months.