Recombinant Mouse Cathepsin S protein (His tag C-Terminus)

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This supplementary information is collated from multiple sources and compiled automatically.

Biological function summary

Cathepsin S participates in immune system modulation and matrix degradation. It stands out in its role in the immune response cleaving antigenic proteins for presentation by MHC class II therefore influencing T-cell activation. Although synonymous with lysosomal activity it also operates extracellularly contributing to tissue remodeling and inflammation. Cathepsin S is not part of a larger complex but interacts with MHC class II impacting antigen presentation.

Pathways

This protease is critical in the immune system and extracellular matrix degradation pathways. In the context of the immune pathway CTSS interacts with other proteases such as Cathepsin L and Cathepsin B to perform antigen trimming and processing. Moreover CTSS supports the activation of T lymphocytes by ensuring the correct presentation of peptide fragments on MHC class II molecules. In matrix degradation CTSS indirectly influences collagen breakdown and interaction with other matrix metalloproteinases.