Figure 1 shows an amino acid sequence
alignment of the translated C. reinhardtii HydA1 and
HydA2 ORFs compared to S. obliquus HydA1 [15], a
partial amino acid sequence for the second, highly
homologous protein (which we call HydA2) found in
S. obliquus [19], and Clostridium pasteurianum CpI.