Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0016787 | molecular_function | hydrolase activity |
| A | 0020037 | molecular_function | heme binding |
| B | 0016787 | molecular_function | hydrolase activity |
| B | 0020037 | molecular_function | heme binding |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 5 |
| Details | binding site for residue DLE A 601 |
| Chain | Residue |
| A | SER63 |
| A | TYR154 |
| A | MET226 |
| A | ALA308 |
| A | ARG446 |
| site_id | AC2 |
| Number of Residues | 4 |
| Details | binding site for residue SO4 A 602 |
| Chain | Residue |
| A | ARG33 |
| A | ASP34 |
| A | ARG322 |
| A | LEU324 |
| site_id | AC3 |
| Number of Residues | 5 |
| Details | binding site for residue SO4 A 603 |
| Chain | Residue |
| A | TYR124 |
| A | MET127 |
| A | ARG128 |
| A | GLY129 |
| A | ARG134 |
| site_id | AC4 |
| Number of Residues | 4 |
| Details | binding site for residue SO4 A 604 |
| Chain | Residue |
| A | ARG416 |
| A | SER417 |
| A | GLY418 |
| B | ARG20 |
| site_id | AC5 |
| Number of Residues | 1 |
| Details | binding site for residue YT3 A 605 |
| site_id | AC6 |
| Number of Residues | 4 |
| Details | binding site for residue YT3 A 606 |
| Chain | Residue |
| A | GLU123 |
| A | GLU126 |
| A | ASP362 |
| A | HOH740 |
| site_id | AC7 |
| Number of Residues | 8 |
| Details | binding site for residue E7L B 501 |
| Chain | Residue |
| B | SER63 |
| B | TYR154 |
| B | MET226 |
| B | LEU284 |
| B | ASP306 |
| B | GLY307 |
| B | ALA308 |
| B | ARG446 |
| site_id | AC8 |
| Number of Residues | 3 |
| Details | binding site for residue SO4 B 502 |
| Chain | Residue |
| B | ARG33 |
| B | ARG322 |
| B | LEU324 |
| site_id | AC9 |
| Number of Residues | 4 |
| Details | binding site for residue SO4 B 503 |
| Chain | Residue |
| A | ARG20 |
| B | ARG416 |
| B | SER417 |
| B | HOH616 |
| site_id | AD1 |
| Number of Residues | 5 |
| Details | binding site for residue YT3 B 504 |
| Chain | Residue |
| B | GLU123 |
| B | ASP125 |
| B | GLU126 |
| B | ASP299 |
| B | ASP321 |
Functional Information from PROSITE/UniProt
| site_id | PS00191 |
| Number of Residues | 8 |
| Details | CYTOCHROME_B5_1 Cytochrome b5 family, heme-binding domain signature. FVREHPAG |
| Chain | Residue | Details |
| A | PHE429-GLY436 | |
