Fig. 1From: Involvement of LeMDR, an ATP-binding cassette protein gene, in shikonin transport and biosynthesis in Lithospermum erythrorhizon Molecular characterizations of LeMDR. a ABC motifs in the predicted LeMDR. Alignment of the NBD of LeMDR, A. thaliana MDR1 and MDR2, and C. japonica MDR showing the Walker A and B box and the ABC signature motifs. b Comparative phylogenetic analysis of MDRs from A. thaliana, C. japonica and L. erythrorhizon Back to article page