Additional file 1: of Characterization of a novel litchi R2R3-MYB transcription factor that involves in anthocyanin biosynthesis and tissue acidification LaiBiao DuLi-Na HuBing WangDan HuangXu-Ming ZhaoJie-Tang WangHui-Cong HuGui-bing 2019 Figure S1. The alignment of the amino acid sequences. (A) Sequences of PhPH1 and LcPH1. (B) Sequences of PhPH5 and LcPH5. Figure S2. Phylogenetic relationships of LcPH1 and LcPH5 with homolog proteins from other species (Sequences are from Li Y, Provenzano S, Bliek M, et al. Evolution of tonoplast P-ATPase transporters involved in vacuolar acidification. New Phytologist, 2016, 211(3):1092–1107.) Figure S3. Total flavonoid contents of leaf and petal in wild types and LcMYB5 over-expressed tobacco lines. Table S1. Primers used for real-time PCR. Table S2. Primers used in protein interaction experiments. (DOCX 1626 kb)