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 | 11 |
| Details | BINDING SITE FOR RESIDUE HEM A 95 |
| Chain | Residue |
| A | LEU32 |
| A | VAL67 |
| A | LEU70 |
| A | HIS39 |
| A | PRO40 |
| A | ALA54 |
| A | ASN57 |
| A | PHE58 |
| A | VAL61 |
| A | HIS63 |
| A | SER64 |
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 | PHE35-GLY42 | |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 2 |
| Details | BINDING: axial binding residue |
| Chain | Residue | Details |
| A | PRO40 | |
| A | SER64 | |
| Chain | Residue | Details |
| A | ASP3 | |
| A | TYR6 | |
| A | HIS15 | |
