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. 2017 May 2;174(2):531–538. doi: 10.1104/pp.17.00166

Figure 2.

Figure 2.

Schematic structure of PM H+-ATPases. PM H+-ATPases possess 10 transmembrane domains (TM1 to TM10) and three cytosolic domains, including the N-terminal domain, catalytic domain, and C-terminal autoinhibitory domain containing the R-I and R-II regions (Palmgren, 2001). There are several phosphorylation sites in the C-terminal domain (Thr-881, Ser-899, Thr-924, Ser-931, and Thr-947). Thr-881, Ser-899, and Ser-931 are phosphorylated by PSY1R, FERONIA, and PKS5, respectively. The 14-3-3 protein binds to the phosphorylated penultimate Thr (Thr-947). The numbering of the amino acid residues corresponds to Arabidopsis H+-ATPase2.