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CTSS, cathepsin S

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CTSS, cathepsin S

  • The preproprotein encoded by this gene, a member of the peptidase C1 family, is a lysosomal cysteine proteinase that participates in the degradation of antigenic proteins to peptides for presentation on MHC class II molecules. The mature protein cleaves the invariant chain of MHC class II molecules in endolysosomal compartments and enables the formation of antigen-MHC class II complexes and the proper display of extracellular antigenic peptides by MHC-II. The mature protein also functions as an elastase over a broad pH range. When secreted from cells, this protein can remodel components of the extracellular matrix such as elastin, collagen, and fibronectin. This gene is implicated in the pathology of many inflammatory and autoimmune diseases and, given its elastase activity, plays a significant role in some pulmonary diseases. Alternatively spliced transcript variants encoding distinct isoforms have been found for this gene. [provided by RefSeq, May 2020]

  • Gene Synonyms (cathepsin S,)
  • NCBI Gene ID: 1520
  • Species: Homo sapiens (Human)
  • UNIPROT ID#>>P25774
  • View the NCBI Database for this Gene »

The information on this page was collected from publicly accessible databases, and is periodically updated. Promega makes no claims to accuracy, or ownership of these genes.

Gene products are often involved in multiple pathways and networks within a living cell. Learn more about other interacting partners.

cathepsin S interacts with:

The information on this page was collected from publicly accessible databases, and is periodically updated. Promega makes no claims to accuracy, or ownership of these genes.

Paste a protein or nucleic acid sequence in the box below to confirm that it matches this gene’s reference sequence(s). Click on a link under RELATED ORF CLONES to see how a sequence matches to an experimentally-validated ORF clone.

The information on this page was collected from publicly accessible databases, and is periodically updated. Promega makes no claims to accuracy, or ownership of these genes.

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