Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0020037 | molecular_function | heme binding |
| B | 0020037 | molecular_function | heme binding |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 17 |
| Details | BINDING SITE FOR RESIDUE HEM A 101 |
| Chain | Residue |
| A | ILE29 |
| A | ILE71 |
| A | TYR74 |
| A | ILE75 |
| A | HOH276 |
| K | SER52 |
| K | TYR53 |
| L | LYS152 |
| L | GLY155 |
| A | PHE39 |
| A | HIS43 |
| A | PRO44 |
| A | VAL49 |
| A | VAL58 |
| A | PHE62 |
| A | LEU65 |
| A | HIS66 |
| site_id | AC2 |
| Number of Residues | 20 |
| Details | BINDING SITE FOR RESIDUE HEM B 101 |
| Chain | Residue |
| B | ILE29 |
| B | PHE39 |
| B | HIS43 |
| B | PRO44 |
| B | GLY45 |
| B | VAL49 |
| B | VAL58 |
| B | PHE62 |
| B | LEU65 |
| B | HIS66 |
| B | TYR74 |
| B | ILE75 |
| B | HOH325 |
| H | TYR33 |
| H | SER52 |
| H | TYR53 |
| H | GLY54 |
| H | SER56 |
| J | LYS152 |
| J | GLY155 |
Functional Information from PROSITE/UniProt
| site_id | PS00191 |
| Number of Residues | 8 |
| Details | CYTOCHROME_B5_1 Cytochrome b5 family, heme-binding domain signature. FLPNHPGG |
| Chain | Residue | Details |
| A | PHE39-GLY46 | |
| site_id | PS00290 |
| Number of Residues | 7 |
| Details | IG_MHC Immunoglobulins and major histocompatibility complex proteins signature. YSCQVTH |
| Chain | Residue | Details |
| L | TYR194-HIS200 | |
Functional Information from SwissProt/UniProt
| Chain | Residue | Details |
| A | HIS43 | |
| A | HIS66 | |
| B | HIS43 | |
| B | HIS66 | |
| Chain | Residue | Details |
| A | TYR97 | |
| B | TYR97 | |
Catalytic Information from CSA
| site_id | MCSA1 |
| Number of Residues | |
| Details | M-CSA 102 |
| site_id | MCSA2 |
| Number of Residues | |
| Details | M-CSA 102 |
