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Table 4 Nucleotide and amino acid sequence comparison of the eight WNV isolates collected in Florida during 2005.

From: Diversification of West Nile virus in a subtropical region

  No. nucleotide bases  
Gene Analyzed Variable Informative* Mean Nucleotide Distance (%)
Envelope 1296 72 17 0.46
NS3/4A 1611 85 22 0.49
  No. amino acid residues  
Gene Analyzed Variable Informative* Mean Amino Acid Distance (%)
Envelope 432 23 7 0.50
NS3/4A 537 17 3 0.22
  1. *Phylogenetically informative (differences occurring in two or more isolates) nucleotide and amino acid sites.