Crystallin, alpha B (CRYAB) antibody

Details for Product No. ABIN361813
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Antigen
Synonyms CRYAB, CMD1II, CRYA2, CTPP2, CTRCT16, HSPB5, MFM2, Crya-2, Crya2, HspB5, AACRYA
Reactivity
Cow (Bovine), Human, Rat (Rattus)
(5), (5), (3), (2), (2)
Host
Mouse
(3), (2)
Clonality (Clone)
Monoclonal ()
Application
ELISA, Western Blotting (WB)
(5), (3), (2), (2), (2)
Pubmed 10 references available
Quantity 200 μg
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Immunogen Native Alpha B Crystallin
Clone 3A10-H4
Specificity Detects ~20 kDa (predicted mol.weight is ~21 kDa). Does not cross-react with αA-crystallin, βL-crystallin, ΒH-crystallin, γ-crystallin, HSP25, HSP27 or HSP47 proteins.
Sensitivity 0.5 µg/mL of SMC-165 was sufficient for detection of 50 ng purified alpha B crystalline by colorimetric immunoblot analysis using Goat anti-mouse IgG:HRP as the secondary antibody.
Purification Protein G Purified
Background The alpha-crystallins are major water-soluble lens structural proteins of the vertebrate eye that are related to the small heat shock protein family. The alpha-crystallins possess structural and functional similarities with HSP25 and HSP27 (1). Mammalian lens cystallins are divided into alpha, beta and gamma families. Alpha and beta families are further divided into acidic and basic groups (Alpha-A and Alpha-B respectively). In the lens, alpha-crystallin primarily functions to maintain proper refractive index, however it can also function as a molecular chaperone that binds to the denatured proteins, keeping them in solution and thereby maintaining the translucency of the lens. When cellular stress occurs, alpha-crystallin enters its' phosphorylated state and may serve a structural control function and play a role in protein maintenance (2). In addition to their interaction with proteins, alpha-crystallins also interact with native molecules such as membrane proteins, Golgi matrix protein, structural proteins, nuclear proteins and DNA (3, 4, 5, 6, and 7). Two other functions are an autokinase activity and participation in the intracellular architecture, and it has also been proven that both alpha-A and B prevent apoptosis by inhibiting caspases (8). Specifically, alpha-B cystallin is found in many cells and organs outside the lens, and alpha B is overexpressed in several neurological disorders and in cell lines under stress conditions (9).
Cellular Localization: Cytoplasm | Nucleus
Gene ID 1410
NCBI Accession NP_001876
UniProt P02511
Research Area Cancer, Tyrosine Kinases, Heat Shock Proteins
Application Notes Recommended Dilution: WB (1:2000)
Optimal dilutions for assays should be determined by the user.
Restrictions For Research Use only
Format Liquid
Concentration 1 mg/mL
Buffer PBS pH 7.2, 50 % glycerol, 0.09 % sodium azide
Preservative Sodium azide
Precaution of Use This product contains Sodium azide: a POISONOUS AND HAZARDOUS SUBSTANCE which should be handled by trained staff only.
Storage -20 °C
Product cited in: Kötter, Unger, Hamdani et al.: "Human myocytes are protected from titin aggregation-induced stiffening by small heat shock proteins." in: The Journal of cell biology, Vol. 204, Issue 2, pp. 187-202, 2014 (PubMed).

Background publications Banduseela, Ochala, Chen et al.: "Gene expression and muscle fiber function in a porcine ICU model." in: Physiological genomics, Vol. 39, Issue 3, pp. 141-59, 2009 (PubMed).

Yaung, Jin, Barron et al.: "alpha-Crystallin distribution in retinal pigment epithelium and effect of gene knockouts on sensitivity to oxidative stress." in: Molecular vision, Vol. 13, pp. 566-77, 2007 (PubMed).

Maddala, Rao: "alpha-Crystallin localizes to the leading edges of migrating lens epithelial cells." in: Experimental cell research, Vol. 306, Issue 1, pp. 203-15, 2005 (PubMed).

Bullard, Ferguson, Minajeva et al.: "Association of the chaperone alphaB-crystallin with titin in heart muscle." in: The Journal of biological chemistry, Vol. 279, Issue 9, pp. 7917-24, 2004 (PubMed).

Horwitz: "Alpha-crystallin." in: Experimental eye research, Vol. 76, Issue 2, pp. 145-53, 2003 (PubMed).

Cobb, Petrash: "alpha-Crystallin chaperone-like activity and membrane binding in age-related cataracts." in: Biochemistry, Vol. 41, Issue 2, pp. 483-90, 2002 (PubMed).

Head, Goldman: "Small heat shock proteins, the cytoskeleton, and inclusion body formation." in: Neuropathology and applied neurobiology, Vol. 26, Issue 4, pp. 304-12, 2000 (PubMed).

Merck, Groenen, Voorter et al.: "Structural and functional similarities of bovine alpha-crystallin and mouse small heat-shock protein. A family of chaperones." in: The Journal of biological chemistry, Vol. 268, Issue 2, pp. 1046-52, 1993 (PubMed).

Horwitz: "Alpha-crystallin can function as a molecular chaperone." in: Proceedings of the National Academy of Sciences of the United States of America, Vol. 89, Issue 21, pp. 10449-53, 1992 (PubMed).

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Catalog No. ABIN361813
349.80 $
Plus shipping costs $45.00
Quantity
Price
200 μg
349.80 $

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