Table 2. Conserved amino acid residues of C. dromedarius interferon ε involved in different ligands and metal ions binding.
| Annotation features | Amino acid residues |
|---|---|
| Contact(s) to ligands - N-Acetyl-2-Deoxy-2-Amino-Galactose |
Arg131, Ser132 |
| Sulfate ion (SO4) | Arg36, Glu37, Lys40, Lys44, Lys188 |
| - Beta-D-Glucose, 6-Deoxy-Alpha-D-Glucose | Lys44, Glu102, Ile104, Gln105, Arg108 |
| - 1,2-Ethanediol | Asn35, Asn43, Arg46, Leu85, Gln116, Leu176 |
| - 4-(2-Hydroxyethyl)-1-Piperazine | Arg46, Ser49 |
| Contact(s) to metals -Zinc ion |
Gln143 |
| Contact(s) to nucleic acids | Gln30, Arg33, Val34, Arg36, Glu37, Leu39, Lys40, Asp107, Ser111, Glu112, Gln115, Glu118, Tyr119, Phe177, Gln181, Gly184 |