Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 15 |
| Details | BINDING SITE FOR RESIDUE HEM A 139 |
| Chain | Residue |
| A | PHE24 |
| A | GLN88 |
| A | HIS89 |
| A | LEU92 |
| A | ASN96 |
| A | PHE97 |
| A | IOL191 |
| A | GLU31 |
| A | TYR34 |
| A | PHE35 |
| A | HIS55 |
| A | LYS58 |
| A | VAL59 |
| A | MET63 |
| A | MET86 |
| site_id | AC2 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE IOL A 191 |
| Chain | Residue |
| A | PHE21 |
| A | PHE35 |
| A | HIS55 |
| A | THR56 |
| A | VAL59 |
| A | HEM139 |
| site_id | AC3 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE SO4 A 195 |
| Chain | Residue |
| A | GLY1 |
| A | PHE2 |
| A | LYS3 |
| A | HOH274 |
| B | ARG32 |
| B | VAL39 |
| B | GLY40 |
| site_id | AC4 |
| Number of Residues | 9 |
| Details | BINDING SITE FOR RESIDUE SO4 B 196 |
| Chain | Residue |
| A | ARG32 |
| A | GLY40 |
| B | GLY1 |
| B | PHE2 |
| B | LYS3 |
| B | HOH237 |
| B | HOH246 |
| B | HOH249 |
| B | HOH276 |
| site_id | AC5 |
| Number of Residues | 18 |
| Details | BINDING SITE FOR RESIDUE HEM B 139 |
| Chain | Residue |
| B | PHE24 |
| B | GLU31 |
| B | TYR34 |
| B | HIS55 |
| B | LYS58 |
| B | VAL59 |
| B | MET63 |
| B | MET86 |
| B | GLN88 |
| B | HIS89 |
| B | LEU92 |
| B | ASN96 |
| B | PHE97 |
| B | LEU127 |
| B | IOL192 |
| B | HOH403 |
| B | HOH482 |
| B | HOH509 |
| site_id | AC6 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE IOL B 192 |
| Chain | Residue |
| B | PHE21 |
| B | PHE35 |
| B | HIS55 |
| B | THR56 |
| B | VAL59 |
| B | HEM139 |
3LB1
