| A | | e4zzbA2 | A: alpha bundles | X: Nucleotidyltransferase-like | H: Nucleotidyltransferase | T: Nucleotidyltransferase | F: | ECOD (develop294) |
| A | Ribosomal_S5_C | e4zzbA3 | A: alpha bundles | X: P-loop domains-like | H: Hemagglutinin HA2 chain | T: Hemagglutinin HA2 chain | F: Ribosomal_S5_C | ECOD (develop294) |
| B | | e4zzbB1 | A: alpha bundles | X: Nucleotidyltransferase-like | H: Nucleotidyltransferase | T: Nucleotidyltransferase | F: | ECOD (develop294) |
| B | Ribosomal_S5_C | e4zzbB2 | A: alpha bundles | X: P-loop domains-like | H: Hemagglutinin HA2 chain | T: Hemagglutinin HA2 chain | F: Ribosomal_S5_C | ECOD (develop294) |
| C | | e4zzbC1 | A: alpha bundles | X: Nucleotidyltransferase-like | H: Nucleotidyltransferase | T: Nucleotidyltransferase | F: | ECOD (develop294) |
| C | Ribosomal_S5_C | e4zzbC2 | A: alpha bundles | X: P-loop domains-like | H: Hemagglutinin HA2 chain | T: Hemagglutinin HA2 chain | F: Ribosomal_S5_C | ECOD (develop294) |
| E | | e4zzbE2 | A: alpha bundles | X: Nucleotidyltransferase-like | H: Nucleotidyltransferase | T: Nucleotidyltransferase | F: | ECOD (develop294) |
| E | Ribosomal_S5_C | e4zzbE3 | A: alpha bundles | X: P-loop domains-like | H: Hemagglutinin HA2 chain | T: Hemagglutinin HA2 chain | F: Ribosomal_S5_C | ECOD (develop294) |
| D | | e4zzbD1 | A: alpha bundles | X: Nucleotidyltransferase-like | H: Nucleotidyltransferase | T: Nucleotidyltransferase | F: | ECOD (develop294) |
| D | Ribosomal_S5_C | e4zzbD2 | A: alpha bundles | X: P-loop domains-like | H: Hemagglutinin HA2 chain | T: Hemagglutinin HA2 chain | F: Ribosomal_S5_C | ECOD (develop294) |