Cst3 Gene Summary [Rat]

Enables peptidase inhibitor activity and protease binding activity. Involved in several processes, including Sertoli cell development; cellular response to hydrogen peroxide; and embryo implantation. Located in several cellular components, including multivesicular body; neuronal cell body; and nuclear membrane. Biomarker of intracranial aneurysm; iron deficiency anemia; and obesity. Human ortholog(s) of this gene implicated in CST3-related cerebral amyloid angiopathy and age related macular degeneration 11. Orthologous to human CST3 (cystatin C). [provided by Alliance of Genome Resources, Jul 2025]

Details

Type
Protein Coding
Official Symbol
Cst3
Official Name
cystatin C [Source:RGD Symbol;Acc:2432]
Ensembl ID
ENSRNOG00000005195
Bio databases IDs NCBI: 25307 Ensembl: ENSRNOG00000005195
Aliases cystatin C
Synonyms CYSC, cystatin C
Species
Rat, Rattus norvegicus
OrthologiesMouse

Protein Domains

A protein domain is a distinct structural or functional region within a protein that can evolve, function, and exist independently of the rest of the protein chain. These domains in rat Cst3 often fold into stable, three-dimensional structures and are associated with specific biological functions, such as binding to DNA, other proteins, or small molecules.
  • CY
  • endopeptidase inhibitor
  • cysteine protease inhibitor activity
  • protease binding
  • protease inhibitor
  • beta-amyloid binding
  • identical protein binding

Top Findings

The most significant associations for this gene, including commonly observed domains, pathway involvement, and functional highlights based on current data.
disease
  • epithelial cancer
  • epithelial neoplasia
  • cancer
  • Sjögren syndrome
  • hyperplasia
  • pancreatic cancer
  • ischemic injury
  • pancreatic epithelial cancer
  • pancreatic neoplasia
  • retroperitoneal cancer
regulated by
  • UMOD
  • INS
  • APP
  • E. coli B4 lipopolysaccharide
  • silicon dioxide
  • lipopolysaccharide
  • doxorubicin
  • methylprednisolone
  • insulin
  • nitrofurantoin
regulates
role in cell
  • proliferation
  • production in
  • activity
  • loss
  • response by
  • synthesis in

Subcellular Expression

Locations within the cell where the protein is known or predicted to be active, providing insight into its function and cellular context.
  • Extracellular Space
  • perinuclear region
  • Plasma Membrane
  • vesicles
  • lysosome
  • Golgi Apparatus
  • nuclear envelope
  • myofibrils
  • multivesicular bodies
  • cellular protrusions
  • perikaryon
  • axons
  • basement membrane
  • cytosolic fraction

Gene-Specific Assays for Results You Can Trust

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