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Figure 1 | BMC Plant Biology

Figure 1

From: Genome-wide analysis of the omega-3 fatty acid desaturase gene family in Gossypium

Figure 1

Alignment of encoded omega-3 FAD polypeptide sequences from G. raimondii (Gra) and Arabidopsis thaliana (Ath). Polypeptide sequences were aligned using the ClustalW algorithm with default parameters (npsa-pbil.ibcp.fr; [52]). Each polypeptide sequence was evaluated using ChloroP (www.cbs.dtu.dk/services/ChloroP/; [53]) to identify putative chloroplast transit peptides, which are highlighted grey. Identical amino acids are highlighted in red, and the three conserved “histidine boxes” known to be involved in binding two iron atoms at the active site [49] are bolded and underlined. Note the substitution of a threonine residue with isoleucine in the FAD7/8-3 sequence of the second histidine box, which is highlighted blue.

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