单词 | heat shock protein |
释义 | heat shock proteinheat shock proteinheat shock proteinheat shock protein[¦hēt ‚shäk ′prō‚tēn]heat shock proteinheat shock proteinheat shock proteinheat shock protein (HSP)a class of PROTEINS synthesized in organisms in response to various stresses, such as elevated temperature, reduced oxygen concentration and ionizing radiation. Heat shock proteins may be essential for survival at higher temperatures. They function mainly as CHAPERONES, permitting the correct refolding of proteins that have been unfolded during stress. In PROKARYOTES heat shock proteins may account for about 15% of the cellular protein under stress conditions. |
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