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  • Title: Novel form of ClpB/HSP100 protein in the cyanobacterium Synechococcus.
    Author: Eriksson MJ, Schelin J, Miskiewicz E, Clarke AK.
    Journal: J Bacteriol; 2001 Dec; 183(24):7392-6. PubMed ID: 11717299.
    Abstract:
    Synechococcus sp. strain PCC 7942 has a second clpB gene that encodes a 97-kDa protein with novel features. ClpBII is the first ClpB not induced by heat shock or other stresses; it is instead an essential, constitutive protein. ClpBII is unable to complement ClpBI function for acquired thermotolerance. No truncated ClpBII version is normally produced, unlike other bacterial forms, while ectopic synthesis of a putative truncated ClpBII dramatically decreased cell viability.
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