Class b: All beta proteins [48724] (174 folds) |
Fold b.19: Viral protein domain [49817] (1 superfamily) sandwich; 9 strands in 2 sheets; jelly-roll; form trimers |
Superfamily b.19.1: Viral protein domain [49818] (3 families) forms homotrimers |
Family b.19.1.2: Influenza hemagglutinin headpiece [49823] (1 protein) |
Hemagglutinin [49824] (1 species) includes rudiment esterase domain |
Species Influenza A virus, different strains [TaxId:11320] [49825] (39 PDB entries) |
Timeline for Family b.19.1.2: Influenza hemagglutinin headpiece: