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Table 4 List of antigenic sites observed in the hemagglutinin structure.

From: Correlating novel variable and conserved motifs in the Hemagglutinin protein with significant biological functions

Site Amino Acid Positions Overlaps with...
A 143–146 HA1, MEME7, CKII, ASN
B 187–196 HA1, MEME2, PKC
C & D 3 MEME10
  31 MEME2
  53 MEME5
  54 MEME5, ASN
  63 MEME5
  78 MEME9, Myristyl
  83 MEME9, CKII
  110 MEME1
  122 MEME1
  133 MEME7
  137 MEME7
  155 MEME7, Myristyl
  164 MEME7
  174 MEME11, PKC
  182 MEME2, ASN
  186 MEME2
  201 MEME2
  205 MEME2, CKII, PKC
  207 MEME2
  208  
  217 MEME3, PKC
  220 MEME3
  226 MEME3
  228 MEME3
  242 MEME3
  260 MEME6
  275 MEME6
  278 MEME6, PKC
  327 MEME4
  1. Antigenic sites A-D [11] were mapped to our consensus sequences and tabulated with overlapping MEME motif, entropy values and post-translational modifications sites. Site A average entropy is based on amino acid position 144 and 145, while site B average entropy is based on amino acid position 188 and 189.