Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0005783 | cellular_component | endoplasmic reticulum |
| A | 0005789 | cellular_component | endoplasmic reticulum membrane |
| A | 0005829 | cellular_component | cytosol |
| A | 0016020 | cellular_component | membrane |
| A | 0019899 | molecular_function | enzyme binding |
| A | 0020037 | molecular_function | heme binding |
| A | 0046872 | molecular_function | metal ion binding |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE HEM A 400 |
| Chain | Residue |
| A | LEU30 |
| A | LEU37 |
| A | HIS44 |
| A | PRO45 |
| A | VAL50 |
| A | VAL66 |
| A | HIS68 |
| A | SER69 |
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 | 76 |
| Details | Domain: {"description":"Cytochrome b5 heme-binding","evidences":[{"source":"PROSITE-ProRule","id":"PRU00279","evidenceCode":"ECO:0000255"}]} |
| site_id | SWS_FT_FI2 |
| Number of Residues | 2 |
| Details | Binding site: {"description":"axial binding residue"} |
| site_id | SWS_FT_FI3 |
| Number of Residues | 1 |
| Details | Modified residue: {"description":"N-acetylalanine","evidences":[{"source":"PubMed","id":"2752049","evidenceCode":"ECO:0000269"}]} |
| site_id | SWS_FT_FI4 |
| Number of Residues | 3 |
| Details | Modified residue: {"description":"N6-acetyllysine","evidences":[{"source":"UniProtKB","id":"P56395","evidenceCode":"ECO:0000250"}]} |