Fig. 1From: Identification and functional analysis of the geranylgeranyl pyrophosphate synthase gene (crtE) and phytoene synthase gene (crtB) for carotenoid biosynthesis in Euglena gracilis Alignment of the deduced E. gracilis CrtE amino acid sequence with known GGPP synthases. The accession numbers are Arabidopsis thaliana GGPPS1, [GenBank: NP_175376]; GGPPS4 [GenBank: NP_179960]; Capsicum annuum GGPS, [GenBank: CAA56554] and Thermosynechococcus elongatus BP-1 CrtE, [GenBank: NP_680811]. Sequence data for GGPS of Pyropia umbilicalis [P_umbilicalis_esContig5139] was obtained from NoriBLAST [58]. Underlined sequences indicate the first and second aspartate-rich motifs, FARM and SARM, respectively. The boxed residues comprise the chain-length determination (CLD) region. Multiple sequence alignment was conducted with Clustal W using MEGA version 6.0 [59]Back to article page