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Cystatin B Polyclonal Antibody
Datasheet
Catalog Number:
E20-71250Amount:
100ulMolecular Weight:
11140DaApplications:
WB;IHC-p;IF/ICC;ELISAReactivity:
Human;RatPurification:
The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen.Immunogen:
The antiserum was produced against synthesized peptide derived from human Stefin B. AA range:49-98Source:
Polyclonal, Rabbit,IgG
- Western Blot analysis of various cells using Cystatin B Polyclonal Antibody diluted at 1:1000
Gene Name:
CSTBDilution:
Western Blot: 1/500 - 1/2000. Immunohistochemistry: 1/100 - 1/300. Immunofluorescence: 1/200 - 1/1000. ELISA: 1/20000. Not yet tested in other applications.Protein Name:
Cystatin-BHuman Gene Id:
1476Human Swiss Prot No:
P04080Mouse Swiss Prot No:
Q62426Rat Gene Id:
25308Rat Swiss Prot No:
P01041Specificity:
Cystatin B Polyclonal Antibody detects endogenous levels of Cystatin B protein.Formulation:
Liquid in PBS containing 50% glycerol, 0.5% BSA and 0.02% sodium azide.Concentration:
1 mg/mlStorage Stability:
-20°C/1 yearOther Name:
CSTB; CST6; STFB; Cystatin-B; CPI-B; Liver thiol proteinase inhibitor; Stefin-BObserved Band(KD):
11Background:
The cystatin superfamily encompasses proteins that contain multiple cystatin-like sequences. Some of the members are active cysteine protease inhibitors, while others have lost or perhaps never acquired this inhibitory activity. There are three inhibitory families in the superfamily, including the type 1 cystatins (stefins), type 2 cystatins and kininogens. This gene encodes a stefin that functions as an intracellular thiol protease inhibitor. The protein is able to form a dimer stabilized by noncovalent forces, inhibiting papain and cathepsins l, h and b. The protein is thought to play a role in protecting against the proteases leaking from lysosomes. Evidence indicates that mutations in this gene are responsible for the primary defects in patients with progressive myoclonic epilepsy (EPM1). One type of mutation responsible for EPM1 is the expansion in the promoter region of this gene of a CCCCGCCCCGCG repFunction:
disease:Defects in CSTB are the cause of progressive myoclonic epilepsy type 1 (EPM1) [MIM:254800]. EPM1 is an autosomal recessive disorder characterized by severe, stimulus-sensitive myoclonus and tonic-clonic seizures. The onset, occurring between 6 and 13 years of age, is characterized by convulsions. Myoclonus begins 1 to 5 years later. The twitchings occur predominantly in the proximal muscles of the extremities and are bilaterally symmetrical, although asynchronous. At first small, they become late in the clinical course so violent that the victim is thrown to the floor. Mental deterioration and eventually dementia develop.,function:This is an intracellular thiol proteinase inhibitor. Tightly binding reversible inhibitor of cathepsins L, H and B.,similarity:Belongs to the cystatin family.,subunit:Able to form dimers stabilized by noncovalent forces.,Subcellular Location:
Cytoplasm . Nucleus .Expression:
Cerebellum,Placenta,
- Immunofluorescence analysis of A549 cells, using Stefin B Antibody. The picture on the right is blocked with the synthesized peptide.
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