Assistance for a chaperone: Chlamydomonas HEP2 activates plastidic HSP70B for cochaperone binding.

@article{Willmund2008AssistanceFA,
  title={Assistance for a chaperone: Chlamydomonas HEP2 activates plastidic HSP70B for cochaperone binding.},
  author={Felix Willmund and Manuela Hinnenberger and Sabine Nick and Miriam Schulz-Raffelt and Timo M{\"u}hlhaus and Michael Schroda},
  journal={The Journal of biological chemistry},
  year={2008},
  volume={283 24},
  pages={16363-73}
}
Previous efforts aimed at the biochemical characterization of chloroplast HSP70B were hampered by the observation that recombinant HSP70B was inactive, i.e. incompetent of interacting with its nucleotide exchange factor CGE1. In addition, because heterologously expressed mitochondrial Hsp70 was inactive unless coexpressed with the escort protein Hep1, we wondered whether homologs of Hep1 existed in the chloroplast. Data base searches revealed that algae and higher plants indeed encode at least… CONTINUE READING
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