Alpha B Crystallin antibody | CPTC16

Mouse anti Alpha B Crystallin

Product Type
PrecisionAb Monoclonal
Clone
CPTC16
Isotype
IgG2a
Format
Purified
Specificity
Alpha B Crystallin

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Mouse anti Human alpha B crystallin antibody recognizes the alpha-crystallin B chain, also known as epididymis secretory protein Li 101, heat shock protein beta-5, CRYAB or heat-shock 20 kDa like-protein.

Crystallins are separated into two classes: taxon-specific, or enzyme, and ubiquitous. The latter class constitutes the major proteins of vertebrate eye lens and maintains the transparency and refractive index of the lens. Since lens central fiber cells lose their nuclei during development, these crystallins are made and then retained throughout life, making them extremely stable proteins. Mammalian lens crystallins are divided into alpha, beta, and gamma families; beta and gamma crystallins are also considered as a superfamily. Alpha and beta families are further divided into acidic and basic groups. Seven protein regions exist in crystallins: four homologous motifs, a connecting peptide, and N- and C-terminal extensions. Alpha crystallins are composed of two gene products: alpha-A and alpha-B, for acidic and basic, respectively. Alpha crystallins can be induced by heat shock and are members of the small heat shock protein (sHSP also known as the HSP20) family. They act as molecular chaperones although they do not renature proteins and release them in the fashion of a true chaperone; instead they hold them in large soluble aggregates. Post-translational modifications decrease the ability to chaperone. These heterogeneous aggregates consist of 30-40 subunits; the alpha-A and alpha-B subunits have a 3:1 ratio, respectively. Two additional functions of alpha crystallins are an autokinase activity and participation in the intracellular architecture. Alpha-A and alpha-B gene products are differentially expressed; alpha-A is preferentially restricted to the lens and alpha-B is expressed widely in many tissues and organs. Elevated expression of alpha-B crystallin occurs in many neurological diseases; a missense mutation cosegregated in a family with a desmin-related myopathy (provided by RefSeq, Jul 2008).

Mouse anti Human alpha B crystallin antibody detects a band of 22 kDa. The antibody has been extensively validated for western blotting using whole cell lysates.
PrecisionAb Antibodies

Target Species
Human
Western Blotting
Anti alpha B crystallin detects a band of approximately 22 kDa in HeLa cell lysates.
Species Cross-Reactivity
Target SpeciesCross Reactivity
Mouse
Rat
N.B. Antibody reactivity and working conditions may vary between species.
Product Form
Purified IgG - liquid
Preparation
Mouse monoclonal antibody purified by affinity chromatography on Protein G from tissue culture supernatant.
Buffer Solution
Phosphate buffered saline.
Preservative Stabilisers
0.09% Sodium Azide (NaN3).
Immunogen
Recombinant protein of human alpha B crystallin
Regulatory
For research purposes only.
Guarantee
12 months from date of despatch.
Acknowledgements
PrecisionAb is a trademark of Bio-Rad Laboratories.

Store undiluted at -20°C, avoiding repeated freeze thaw cycles.

This product has been reported to work in the following applications. This information is derived from testing within our laboratories, peer-reviewed publications or personal communications from the originators. Please refer to references indicated for further information. For general protocol recommendations, please visit the antibody protocols page.
Application Name Verified Min Dilution Max Dilution
Western Blotting 1/1000
The PrecisionAb label is reserved for antibodies that meet the defined performance criteria within Bio-Rad's ongoing antibody validation programme. Click here to learn how we validate our PrecisionAb range. Where this product has not been tested for use in a particular technique this does not necessarily exclude its use in such procedures. Further optimization may be required dependent on sample type.

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UniProt
P02511
Entrez Gene
CRYAB
GO Terms
GO:0051082 unfolded protein binding
GO:0006457 protein folding
GO:0006936 muscle contraction
GO:0005212 structural constituent of eye lens
GO:0005634 nucleus
GO:0006916 anti-apoptosis
GO:0009408 response to heat
GO:0032387 negative regulation of intracellular transport
GO:0042803 protein homodimerization activity
GO:0051260 protein homooligomerization
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