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Protein Page:
CST3 (human)
p Phosphorylation
a Acetylation
m Methylation
m1 Mono-methylation
m2 Di-methylation
m3 Tri-methylation
u Ubiquitination
s Sumoylation
n Neddylation
gl O-GlcNAc
ga O-GalNAc
h Palmitoylation
ad Adenylylation
sn S-Nitrosylation
ca Caspase cleavage

Overview
CST3 As an inhibitor of cysteine proteinases, this protein is thought to serve an important physiological role as a local regulator of this enzyme activity. Defects in CST3 are the cause of amyloidosis type 6 (AMYL6); also known as hereditary cerebral hemorrhage with amyloidosis (HCHWA), cerebral amyloid angiopathy (CAA) or cerebroarterial amyloidosis Icelandic type. AMYL6 is a hereditary generalized amyloidosis due to cystatin C amyloid deposition. Cystatin C amyloid accumulates in the walls of arteries, arterioles, and sometimes capillaries and veins of the brain, and in various organs including lymphoid tissue, spleen, salivary glands, and seminal vesicles. Amyloid deposition in the cerebral vessels results in cerebral amyloid angiopathy, cerebral hemorrhage and premature stroke. Cystatin C levels in the cerebrospinal fluid are abnormally low. Genetic variations in CST3 are associated with age- related macular degeneration type 11 (ARMD11). ARMD is a multifactorial eye disease and the most common cause of irreversible vision loss in the developed world. In most patients, the disease is manifest as ophthalmoscopically visible yellowish accumulations of protein and lipid that lie beneath the retinal pigment epithelium and within an elastin-containing structure known as Bruch membrane. Belongs to the cystatin family. Note: This description may include information from UniProtKB.
Protein type: Secreted, signal peptide; Inhibitor protein; Secreted
Cellular Component: extracellular space; extracellular region
Molecular Function: protein binding; protease binding; beta-amyloid binding; endopeptidase inhibitor activity; cysteine protease inhibitor activity
Biological Process: negative regulation of proteolysis; fibril organization and biogenesis; negative regulation of peptidase activity; defense response; regulation of tissue remodeling
Reference #:  P01034 (UniProtKB)
Alt. Names/Synonyms: ARMD11; bA218C14.4 (cystatin C); CST3; cystatin 3; cystatin C; Cystatin-3; Cystatin-C; CYTC; Gamma-trace; MGC117328; Neuroendocrine basic polypeptide; Post-gamma-globulin
Gene Symbols: CST3
Molecular weight: 15,799 Da
Basal Isoelectric point: Predict pI for various phosphorylation states
Select Structure to View Below

CST3

Protein Structure Not Found.


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Modification Sites and Domains Show Modification Legend
Click here to view phosphorylation modifications only

Modification Sites in Parent Protein, Orthologs, and Isoforms Show Modification Legend
 

Show Multiple Sequence Alignment


 SS 

SS: The number of records in which this modification site was determined using site-specific methods. SS methods include amino acid sequencing, site-directed mutagenesis, modification site-specific antibodies, specific MS strategies, etc.


 MS 

MS: The number of records in which this modification site was assigned using ONLY proteomic discovery-mode mass spectrometry.


       human

 
0 1 K62 FAVGEYNKASNDMYH
  mouse

 
K56-u FAVSEYNkGSNDAYH
  rat

 
K56 FAVSEYNKGSNDAYH
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