This PDF file includes:

• fig. S1. Complete view of the phylogenetic tree presented in Fig. 1A, with major metazoan taxonomic clades colored as in Fig. 1.
  
• fig. S2. Summary tree (cladogram) showing relationships between major well-supported clades together with sequence logo representation of conserved histidine box motifs in the same clades.
  
• fig. S3. Mass spectra of DMOX derivatives obtained from desaturation products as shown in Table 1.
  
• fig. S4. Mass spectra of DMOX derivatives obtained from desaturation products as shown in Table 2.
  
• table S1. List of databases and query sequences for retrieval of functionally characterized genes.
  
• table S2. PCR conditions for the RACE and full-length ORF amplifications.
  
• table S3. List of primers used for the cloning process and amplification of full-length ORF of ωx desaturases.

Download PDF