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. Author manuscript; available in PMC: 2014 Aug 1.
Published in final edited form as: FEBS J. 2013 Jun 24;280(15):3709–3720. doi: 10.1111/febs.12363

Fig. 1.

Fig. 1

Model of cytokinin signal transduction pathway. The cytokinin receptor has the following domains: CHASE, cyclases/histidine kinases-associated sensory extracellular domain; HK, histidine kinase domain; REC, receiver domain. The asterisk designates the intracellular portion of the sensory kinase receptor (consisting of HK and REC), in this paper referred to as MtCRE1′. Histidine-containing phosphotransfer proteins (HPts) are activated by the sensory kinase that perceives the signal, and subsequently translocate to the nucleus to transfer the phosphate group to an Asp residue of a response regulator (RR). Adapted with modifications from [6].