Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0020037 | molecular_function | heme binding |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 21 |
| Details | BINDING SITE FOR RESIDUE HEM A 101 |
| Chain | Residue |
| A | LYS10 |
| A | LEU51 |
| A | GLN54 |
| A | ASN62 |
| A | PHE63 |
| A | VAL66 |
| A | HIS68 |
| A | SER69 |
| A | ALA72 |
| A | SER76 |
| A | HOH314 |
| A | TYR12 |
| A | HOH345 |
| A | HOH354 |
| A | GLU16 |
| A | LEU37 |
| A | PHE40 |
| A | HIS44 |
| A | PRO45 |
| A | GLY46 |
| A | VAL50 |
| site_id | AC2 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE CA A 102 |
| Chain | Residue |
| A | GLU42 |
| A | GLU48 |
| A | GLN54 |
| A | ASP58 |
| A | HOH304 |
| A | HOH309 |
| site_id | AC3 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE CA A 103 |
| Chain | Residue |
| A | GLU42 |
| A | HOH307 |
| A | HOH317 |
| A | HOH319 |
| A | HOH328 |
| A | HOH329 |
| A | HOH347 |
| site_id | AC4 |
| Number of Residues | 16 |
| Details | BINDING SITE FOR RESIDUE EPE A 104 |
| Chain | Residue |
| A | ALA8 |
| A | LYS10 |
| A | LYS39 |
| A | GLU43 |
| A | SER69 |
| A | THR70 |
| A | ASP71 |
| A | ILE80 |
| A | ILE81 |
| A | HOH306 |
| A | HOH333 |
| A | HOH414 |
| A | HOH478 |
| A | HOH479 |
| A | HOH493 |
| A | HOH512 |
Functional Information from PROSITE/UniProt
| site_id | PS00191 |
| Number of Residues | 8 |
| Details | CYTOCHROME_B5_1 Cytochrome b5 family, heme-binding domain signature. FLEEHPGG |
| Chain | Residue | Details |
| A | PHE40-GLY47 | |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 2 |
| Details | BINDING: axial binding residue |
| Chain | Residue | Details |
| A | HIS44 | |
| A | HIS68 | |
| Chain | Residue | Details |
| A | LYS7 | |
| A | LYS10 | |
| A | LYS19 | |
