Abcam, ab48779, Recombinant Human Alpha B Crystallin protein

Size: 100µg / 1mg
Recombinant Human Alpha B Crystallin protein is a Human Full Length protein, in the 1 to 175 aa range, expressed in Escherichia coli, with >95%, suitable for WB, SDS-PAGE.
Key facts
Purity:>95% SDS-PAGE,
Expression system:Escherichia coli,
Tags:Tag free,
Applications:SDS-PAGE, WBSee reactivity dataSee the reactivity data table below for information on validated species and application combinations.,
Biologically active:No,
Accession:P02511,
Animal free:No,
Carrier free:No,
Species:Human,
Storage buffer:pH: 7.5Constituents: 0.316% Tris HCl, 0.29% Sodium chloride, 0.0292% EDTA

Properties and Storage Information:
Shipped at conditions-Blue Ice, Appropriate short-term storage conditions--20°C, Appropriate long-term storage conditions--20°C, Aliquoting information-Upon delivery aliquot, Storage information-Avoid freeze / thaw cycle

Supplementary Information:
This supplementary information is collated from multiple sources and compiled automatically.
Alpha B Crystallin also known as CRYAB or alpha B crystallin protein is a small heat shock protein with a molecular mass of approximately 20 kDa. It is expressed in various tissues including the eye lens heart skeletal muscles and the brain. Alpha B Crystallin functions mechanically as a chaperone helping to prevent the aggregation of unfolded proteins by stabilizing them. This protein plays an important role in maintaining proper cellular function especially under stress conditions.
Biological function summary
Alpha B crystallin performs as part of the larger small heat shock protein family which contributes to the cellular defense system. It acts primarily as a chaperone binding to denatured proteins to protect the cells from damage during environmental stresses such as heat and oxidative stress. Alpha B crystallin often forms oligomeric complexes which increases its protective properties. This protein exhibits significant anti-apoptotic functions by interacting with various apoptosis-regulating factors contributing to cellular survival.
Pathways
Alpha B crystallin integrates into the cellular stress response and apoptosis pathways. It involves the PI3K/Akt signaling pathway known for regulating cell survival and preventing programmed cell death. Alpha B crystallin also interacts with other proteins such as Bcl-2 further enhancing its role in anti-apoptotic activities. Its contribution to these pathways highlights its protective function during cellular stress situations.
Alpha B crystallin is associated with cataracts and dilated cardiomyopathy. It plays a significant role in maintaining lens transparency and mutations or dysfunctions in alpha B crystallin can lead to cataract development. Similarly in cardiac tissue abnormal alpha B crystallin expression links to dilated cardiomyopathy. The protein is also known to associate with other structural proteins like desmin where disruptions may contribute to muscle-related diseases.