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Table 2 Nucleotide and amino acid sequence identities between NG/17–0500 and reference HEV strains within the family Hepeviridaea

From: A new hepatitis E virus genotype 2 strain identified from an outbreak in Nigeria, 2017

Hepeviridae Degree of identity (%)
Complete genome ORF1 ORF2 ORF3
ntb nt aa nt aa nt aa
HEV-1 75.0 72.3 83.5 81.0 94.8 90.9 87.8
HEV-2 83.5 82.3 92.7 86.8 98.2 94.1 91.1
HEV-3 73.1 71.2 81.5 78.7 91.2 83.9 76.4
HEV-4 73.5 71.1 80.6 80.7 91.1 80.6 78.9
HEV-5 72.6 70.1 80.1 78.6 89.1 75.0 74.1
HEV-6 72.8 70.9 79.4 78.0 88.5 75.5 70.5
HEV-7 72.3 69.8 80.6 78.8 89.8 79.0 79.8
HEV-8 72.2 70.0 79.9 77.9 89.4 78.5 81.6
Avian HEV 46.3 44.9 41.3 46.2 43.3 25.6 21.1
Rat HEV 52.1 50.1 48.0 55.1 54.8 38.1 27.1
Bat HEV 47.2 45.8 41.6 55.1 48.1 30.6 15.9
  1. aThe sequences were aligned using MAFFT software version 7.222. The evolutionary analyses were conducted using MEGA 7 software version 7.0.26. The GenBank accession numbers are for HEV-1 (M73218), HEV-2 (KX578717), HEV-3 (AF082843), HEV-4 (AJ272108), HEV-5 (AB573435), HEV-6 (AB602441), HEV-7 (KJ496143), HEV-8 (KX387865), Avian HEV (AY535004), Rat HEV (GU345042), and Bat HEV (JQ001749)
  2. bnt and aa represent nucleotide and amino acid, respectively