Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0020037 | molecular_function | heme binding |
| B | 0020037 | molecular_function | heme binding |
| C | 0020037 | molecular_function | heme binding |
| D | 0020037 | molecular_function | heme binding |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 14 |
| Details | BINDING SITE FOR RESIDUE HEM A 101 |
| Chain | Residue |
| A | LEU32 |
| A | VAL61 |
| A | HIS63 |
| A | SER64 |
| A | ALA67 |
| A | LEU71 |
| A | PHE35 |
| A | HIS39 |
| A | PRO40 |
| A | GLY41 |
| A | VAL45 |
| A | LEU46 |
| A | GLN49 |
| A | PHE58 |
| site_id | AC2 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE CU A 102 |
| Chain | Residue |
| A | HIS26 |
| C | ALA3 |
| C | VAL4 |
| site_id | AC3 |
| Number of Residues | 15 |
| Details | BINDING SITE FOR RESIDUE HEM B 101 |
| Chain | Residue |
| B | LEU32 |
| B | PHE35 |
| B | HIS39 |
| B | PRO40 |
| B | GLY41 |
| B | VAL45 |
| B | LEU46 |
| B | GLN49 |
| B | ALA54 |
| B | PHE58 |
| B | VAL61 |
| B | HIS63 |
| B | SER64 |
| B | LEU71 |
| D | LYS19 |
| site_id | AC4 |
| Number of Residues | 1 |
| Details | BINDING SITE FOR RESIDUE CU B 102 |
| site_id | AC5 |
| Number of Residues | 13 |
| Details | BINDING SITE FOR RESIDUE HEM C 101 |
| Chain | Residue |
| C | LEU32 |
| C | PHE35 |
| C | HIS39 |
| C | PRO40 |
| C | GLY41 |
| C | LEU46 |
| C | PHE58 |
| C | VAL61 |
| C | HIS63 |
| C | SER64 |
| C | ALA67 |
| C | LEU71 |
| C | PHE74 |
| site_id | AC6 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE CU C 102 |
| Chain | Residue |
| C | HIS26 |
| D | ALA3 |
| D | VAL4 |
| site_id | AC7 |
| Number of Residues | 15 |
| Details | BINDING SITE FOR RESIDUE HEM D 101 |
| Chain | Residue |
| D | LEU23 |
| D | PHE35 |
| D | HIS39 |
| D | PRO40 |
| D | GLY41 |
| D | LEU46 |
| D | GLN49 |
| D | ALA54 |
| D | PHE58 |
| D | VAL61 |
| D | HIS63 |
| D | SER64 |
| D | ALA67 |
| D | LEU71 |
| D | HOH206 |
| site_id | AC8 |
| Number of Residues | 1 |
| Details | BINDING SITE FOR RESIDUE CU D 102 |
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 | 304 |
| Details | Domain: {"description":"Cytochrome b5 heme-binding","evidences":[{"source":"PROSITE-ProRule","id":"PRU00279","evidenceCode":"ECO:0000255"}]} |
| site_id | SWS_FT_FI2 |
| Number of Residues | 8 |
| Details | Binding site: {"description":"axial binding residue","evidences":[{"source":"PROSITE-ProRule","id":"PRU00279","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"15299727","evidenceCode":"ECO:0000269"}]} |
| site_id | SWS_FT_FI3 |
| Number of Residues | 8 |
| Details | Modified residue: {"description":"N6-acetyllysine","evidences":[{"source":"UniProtKB","id":"P56395","evidenceCode":"ECO:0000250"}]} |
