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. 2004 Oct;136(2):2971–2981. doi: 10.1104/pp.103.034686

Figure 1.

Figure 1.

Alignment of the NTHK2 amino acid sequence with other ethylene receptor proteins. LeETR4 and LeETR5 are from tomato (Tieman and Klee, 1999). NTHK1 is from tobacco (Zhang et al., 2001a). ETR1, ETR2, and EIN4 are from Arabidopsis (Chang et al., 1993; Hua et al., 1998; Sakai et al., 1998). Boxes indicate the identity of amino acids. Regions I, II, and III represent the three transmembrane segments. Region IV represents the putative signal peptide. The regions corresponding to the five motifs H, N, G1, F, and G2 from the HK domain of ETR1 were overlined. Asterisks indicate conserved residues in the putative receiver domain. The nucleotide sequence for the NTHK2 gene has been deposited in the GenBank database under GenBank accession number AF203476.