Putative dinoflagellate-specific proteins. Amino acid sequence alignments of putative dinoflagellate-specific proteins. A) putative plastid protein that was highly represented in the A. tamarense cDNA library (cluster size = 22). A. tamarense sequences 1, 2, and 3 correspond to clones GC1-aba-e-13, GC1-abh-e14, and GC1-abd-o-22, respectively, and are aligned with highly similar ESTs from the dinoflagellates L. polyedrum (CD809498) and P. lunula (BU582532). The boxed region indicated a possible plastid targeting sequence. B) Putative dinoflagellate specific protein with significant blast hits only to other dinoflagellate ESTs. The Alexandrium sequence corresponds to clone UI-D-GC1-abh-f-23-0-UI.