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Human Cathepsin S/CTSS, Tag Free Protein (HA211465)

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Catalog# HA211465

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  • Human

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Product Details

Product Type

Protein

Product Name

Human Cathepsin S/CTSS, Tag Free Protein (HA211465)

Predicted molecular mass

36.5 kD

Protein construction description

A DNA sequence encoding the human Cathepsin S/CTSS protein (P25774-1) (Gln 17-Ile 331,C139A,H278A,N298A) was expressed with tag free.

Accession

P25774-1

Protein construction

Cathepsin S/CTSS (17-331,C139A,H278A,N298A)

Source

HEK293

Bio Activity

Testing in progress.

Purity

>95% as determined by SDS-PAGE.

Endotoxin

Less than 1.0 EU per μg by the LAL method.

Formulation

Lyophilized from a 0.2 μm filtered solution of PBS, pH7.4, 5% Trehalose, 5% mannitol.

Species

Human

Background

Cathepsin S is a protein that in humans is encoded by the CTSS gene. Transcript variants utilizing alternative polyadenylation signals exist for this gene. Cathepsin S is a member of the peptidase C1 family of cysteine cathepsins, a lysosomal cysteine protease that may participate in the degradation of antigenic proteins to peptides for presentation to the MHC class II. Cathepsin S can function as an elastase over a broad pH range in alveolar macrophages. Cathepsin S is a lysosomal enzyme that belongs to the papain-like protease of cysteine proteases. While a role in antigen presentation has long been recognized, it is now understood that cathepsin S has a role in itch and pain, or nociception . The nociceptive activity results from cathepsin S functioning as a signaling molecule via activation of protease-activated receptors 2 and 4 members of the G-protein coupled receptor family.

Usage Guide

Shipping

In general, recombinant proteins are provided as lyophilized powder which are shipped with blue ice. Bulk packages of recombinant proteins are provided as frozen liquid which are shipped with dry ice.

Storage

Please avoid repeated freeze-thaw cycles. Samples are stable for up to twelve months from date of receipt at -20℃ to -80℃ It is recommended that aliquot the reconstituted solution to minimize freeze-thaw cycles.

Reconstitution

Reconstitute at 250 μg/ml in sterile water.

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