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Overview
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HSP27 is a protein encoded by the HSPB1 gene which is approximately 22, 7 kDa. HSP27 is localised to the cytoplasm and nucleus. It is involved in CDK-mediated phosphorylation and removal of Cdc6, RET signalling, the MAPK signalling pathway, apoptosis and the survival caspase cascade. It is a small heat shock protein which functions as a molecular chaperone maintaining denatured proteins in a folding-competent state. Through its molecular chaperone activity, it may regulate numerous biological processes including the phosphorylation and the axonal transport of neurofilament proteins. It also plays a role in stress resistance and actin organization. HSP27 is expressed in all tissues with the highest levels found in the heart and striated and smooth muscle. Mutations in the HSPB1 gene may result in Charcot-Marie-Tooth disease. STJ93617 was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen. This polyclonal antibody detects endogenous levels of HSP27 protein.
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Overview