Additional file 4 of Comparative proteomic analysis on chloroplast proteins provides new insights into the effects of low temperature in sugar beet

Additional file 4: Figure S2. a The number of proteins encoded from chloroplast DNA in this study. Ratio of proteins encoded by chloroplast DNA with those encoded by nuclear DNA. b The function of proteins encoding from chloroplast DNA. c Ratio of chloroplast DNA and nuclear DNA that encode differentially expressed proteins. d The function of different expression proteins encoding from chloroplast DNA.