Conserved Locations in Hemagglutinin

All models are derived from 3FKU.pdb
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The Hemagglutinin Trimer

Conserved Residues in the A subunit of Hemagglutinin

Conserved Residues in the B subunit of Hemagglutinin

Conserved Residues in the A and B subunits of Hemagglutinin

Amino Acid "Hotspots"(trp21 and thr41)...One Area of Focus in Designing HA vaccines