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Heat shock proteins (HSPs) are a family of proteins produced by cells in response to exposure to stressful conditions. They were first described in relation to heat shock, [1] but are now known to also be expressed during other stresses including exposure to cold, [2] UV light [3] and during wound healing or tissue remodeling. [4]
Heat shock proteins induced by the HSR can help prevent protein aggregation that is associated with common neurodegenerative diseases such as Alzheimer's, Huntington's, or Parkinson's disease. [8] The diagram depicts actions taken when a stress is introduced to the cell. Stress will induce HSF-1 and cause proteins to misfold.
The 70 kilodalton heat shock proteins (Hsp70s or DnaK) are a family of conserved ubiquitously expressed heat shock proteins. Proteins with similar structure exist in virtually all living organisms. Proteins with similar structure exist in virtually all living organisms.
3320 15519 Ensembl ENSG00000080824 ENSMUSG00000021270 UniProt P07900 P07901 RefSeq (mRNA) NM_001017963 NM_005348 NM_010480 RefSeq (protein) NP_001017963 NP_005339 NP_034610 Location (UCSC) Chr 14: 102.08 – 102.14 Mb Chr 12: 110.66 – 110.67 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Heat shock protein HSP 90-alpha is a protein that in humans is encoded by the HSP90AA1 gene ...
HSP12, or Heat Shock Protein 12, is a small stress response protein synthesized by yeast in multiple disfavorable conditions. HSP12 originates from budding yeast (Saccharomyces cerevisiae) and is one of its two small heat shock proteins (sHSPs), which are short chaperone proteins synthesized by cells primarily in response to heat shock, but often inducible by other stressors.
Chaperonins are characterized by their barrel-shaped structure with binding sites for client proteins inside the barrels. The human HSP90 group consists of 5 members according to the HGNC: [17] [18] HSP90AA1 (heat shock protein 90 kDa alpha, class A, member 1) HSP90AA3P (heat shock protein 90 alpha family class A member 3, pseudogene)
Heat shock protein beta-6 (HSPB6) is a protein that in humans is encoded by the HSPB6 gene. [5] [6] [7]HSPB6 is a 17-kDa member of the heat shock family of proteins. HSPB6 was first identified in 1994 when it was isolated from rat and human skeletal muscle as a complex with HSPB1 (also known as HSP27) and HSPB5 (also known as αB-crystallin).
The heat shock response involves a class of stress proteins called heat shock proteins. [4] [5] These can help defend a cell against damage by acting as 'chaperons' in protein folding, ensuring that proteins assume their necessary shape and do not become denatured. [6]