NP_001186668.1
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NCBI GenBank Nucleotide #
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UniProt Primary Accession #
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UniProt Secondary Accession #
UniProt Related Accession #
Molecular Weight
31,626 Da
NCBI Official Full Name
cathepsin S isoform 2 preproprotein
NCBI Official Synonym Full Names
cathepsin S
NCBI Protein Information
cathepsin S
UniProt Protein Name
Cathepsin S
UniProt Entry Name
CATS_HUMAN
NCBI Summary for CTSS
The protein encoded by this gene, a member of the peptidase C1 family, is a lysosomal cysteine proteinase that may participate in the degradation of antigenic proteins to peptides for presentation on MHC class II molecules. The encoded protein can function as an elastase over a broad pH range in alveolar macrophages. Alternatively spliced transcript variants encoding distinct isoforms have been found for this gene. [provided by RefSeq, Dec 2010]
UniProt Comments for CTSS
CTSS: Thiol protease. Key protease responsible for the removal of the invariant chain from MHC class II molecules. The bond- specificity of this proteinase is in part similar to the specificities of cathepsin L and cathepsin N. Belongs to the peptidase C1 family. 2 isoforms of the human protein are produced by alternative splicing.
Protein type: EC 3.4.22.27; Protease
Chromosomal Location of Human Ortholog: 1q21
Cellular Component: extracellular region; extracellular space; intracellular membrane-bound organelle; lysosomal lumen; lysosome; membrane
Molecular Function: collagen binding; cysteine-type endopeptidase activity; fibronectin binding; laminin binding; proteoglycan binding
Biological Process: adaptive immune response; antigen processing and presentation; antigen processing and presentation of exogenous peptide antigen via MHC class I; antigen processing and presentation of exogenous peptide antigen via MHC class I, TAP-independent; antigen processing and presentation of exogenous peptide antigen via MHC class II; antigen processing and presentation of peptide antigen; antigen processing and presentation of peptide antigen via MHC class I; collagen catabolic process; extracellular matrix disassembly; extracellular matrix organization and biogenesis; immune response; innate immune response; positive regulation of inflammatory response; protein processing; proteolysis; proteolysis involved in cellular protein catabolic process; response to acidity; toll-like receptor signaling pathway
Research Articles on CTSS
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Products associated with anti-CTSS antibody
Pathways associated with anti-CTSS antibody
Diseases associated with anti-CTSS antibody
Organs/Tissues associated with anti-CTSS antibody
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