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. 2018 Feb 17;18:36. doi: 10.1186/s12870-018-1252-2

Fig. 6.

Fig. 6

The evolution pattern of PRPs in the 7-deoxyloganetin glucosyltransferase family. a. The selective pressure acting on total amino acid sites. The significant positively selected sites are marked by red circles. b. The positively selected site S120 mutated to K120 among PRPs and non-PRPs. Red taxa refer to PRPs and black taxa refer to non-PRPs. c. The divergence time of 7-deoxyloganetin glucosyltransferase family. The red line refers to 0.4871, indicating the divergence time of PRPs and non-PRPs in the blue clade