Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 2 |
| Details | binding site for residue SO4 A 201 |
| site_id | AC2 |
| Number of Residues | 3 |
| Details | binding site for residue SO4 A 202 |
| Chain | Residue |
| A | ARG67 |
| A | ASP68 |
| A | ASN73 |
| site_id | AC3 |
| Number of Residues | 4 |
| Details | binding site for residue SO4 A 203 |
| Chain | Residue |
| A | ARG48 |
| A | ASP50 |
| A | ARG55 |
| A | GLY56 |
| site_id | AC4 |
| Number of Residues | 1 |
| Details | binding site for residue SO4 A 204 |
| site_id | AC5 |
| Number of Residues | 3 |
| Details | binding site for residue SO4 B 201 |
| Chain | Residue |
| A | PRO25 |
| B | ASP134 |
| B | ARG135 |
| site_id | AC6 |
| Number of Residues | 3 |
| Details | binding site for residue SO4 B 202 |
| Chain | Residue |
| B | ARG126 |
| B | HIS127 |
| B | HOH301 |
| site_id | AC7 |
| Number of Residues | 4 |
| Details | binding site for residue SO4 C 201 |
| Chain | Residue |
| A | ASN80 |
| A | ARG83 |
| C | ASN80 |
| C | ARG83 |
| site_id | AC8 |
| Number of Residues | 3 |
| Details | binding site for residue SO4 C 202 |
| Chain | Residue |
| C | HIS51 |
| C | ARG52 |
| C | ARG55 |
| site_id | AC9 |
| Number of Residues | 5 |
| Details | binding site for residue SO4 C 203 |
| Chain | Residue |
| A | ASN33 |
| C | THR29 |
| C | VAL30 |
| C | ASN32 |
| C | ARG101 |
| site_id | AD1 |
| Number of Residues | 3 |
| Details | binding site for residue SO4 C 204 |
| Chain | Residue |
| C | ARG67 |
| C | ASP68 |
| C | ASN73 |
| site_id | AD2 |
| Number of Residues | 18 |
| Details | binding site for residue HEM D 201 |
| Chain | Residue |
| D | SER148 |
| D | GLU150 |
| D | HOH301 |
| E | GLU45 |
| E | PHE53 |
| E | GLU54 |
| E | LEU57 |
| E | VAL60 |
| E | ASN76 |
| E | LYS77 |
| E | GLY78 |
| E | SER89 |
| F | TYR113 |
| F | GLY114 |
| F | GLY115 |
| F | PRO133 |
| F | TYR137 |
| F | TRP139 |
| site_id | AD3 |
| Number of Residues | 2 |
| Details | binding site for residue SO4 D 202 |
| Chain | Residue |
| A | ARG101 |
| D | ARG161 |
| site_id | AD4 |
| Number of Residues | 3 |
| Details | binding site for residue SO4 D 203 |
| Chain | Residue |
| D | ARG126 |
| D | HIS127 |
| D | THR144 |
| site_id | AD5 |
| Number of Residues | 3 |
| Details | binding site for residue SO4 E 201 |
| Chain | Residue |
| C | ASN33 |
| E | ARG67 |
| E | LYS92 |
Functional Information from PROSITE/UniProt
| site_id | PS00213 |
| Number of Residues | 14 |
| Details | LIPOCALIN Lipocalin signature. NFDakRYLGTWYEI |
| Chain | Residue | Details |
| A | ASN33-ILE46 | |