slr0156 | ATP-dependent chaperone clpB
AS08 355 | Clonality: Polyclonal | Host: Rabbit | Reactivity: Cyanobacteria
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recombinant slr0156 protein, derived from Synechocystis PCC 6803 strain slr0156 sequence. This protein is annotated as ClpB1 in a data base but was originally named ClpB2 according to the paper of Giese and Vierling (2002).
101.4 | 100 kDa (Synechocystis)
10 μg of total protein from Synechocystis PCC 6803 (with deleted slr 1641, two left lanes) in controlled (C) and heat shocked conditions (HS) was separated on 8% PAA gel and blotted on nitrocellulose membrane. Filters were blocked (1h), incubated with 1: 3000 anti-slr0156 antibodies (2h) followed by incubation with 1: 2500 secondary anti-rabbit (1h) coupled to HRP and visualization with chemiluminescent detection reagent. Deletion of slr0156 protein is not possible, therefore there is still a band in two left lanes.
Courtesy of Courtesy of Dr. Elizabeth Vierling, University of Massachusetts, USA
ClpB2 is essential for organism and can not be complemented by a mutation in ClpB1 gene. This cytoplasmic protein is not involved in thermotolerance. Giese and Vierling (2002) Changes in oligomerization are essential for the chaperone activity of a small heat shock protein in vivo and in vitro. J Biol Chem; 277(48): 46310-8.