Fig. 5

Partial sequence alignment and secondary structure prediction. a N-terminal domain sequence alignment of RPS4 in chlorophyll-deficient mutant (cdm) and wild-type (‘FT) of Brassica campestris ssp., Arabidopsis thaliana, Brassica napus, Glycine max, Lactuca sativa, Oryza rufipogon, Portulaca oleracea, Spinacia oleracea, and Cyanophora paradoxa (P23402). Vertical arrow indicates the substituted amino acid site. b Predicted secondary structure of the RPS4 N-terminal domain. Black box indicates sites altered secondary structure. c Predicted three-dimensional structure of RPS4. d Predicted protein domain of RPS4