Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0005739 | cellular_component | mitochondrion |
| A | 0005758 | cellular_component | mitochondrial intermembrane space |
| A | 0006790 | biological_process | sulfur compound metabolic process |
| A | 0008482 | molecular_function | sulfite oxidase activity |
| A | 0016491 | molecular_function | oxidoreductase activity |
| A | 0020037 | molecular_function | heme binding |
| A | 0030151 | molecular_function | molybdenum ion binding |
| A | 0043546 | molecular_function | molybdopterin cofactor binding |
| A | 0046872 | molecular_function | metal ion binding |
| B | 0005739 | cellular_component | mitochondrion |
| B | 0005758 | cellular_component | mitochondrial intermembrane space |
| B | 0006790 | biological_process | sulfur compound metabolic process |
| B | 0008482 | molecular_function | sulfite oxidase activity |
| B | 0016491 | molecular_function | oxidoreductase activity |
| B | 0020037 | molecular_function | heme binding |
| B | 0030151 | molecular_function | molybdenum ion binding |
| B | 0043546 | molecular_function | molybdopterin cofactor binding |
| B | 0046872 | molecular_function | metal ion binding |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 11 |
| Details | BINDING SITE FOR RESIDUE SO4 A 503 |
| Chain | Residue |
| A | ARG138 |
| A | HOH913 |
| A | HOH1147 |
| A | CYS185 |
| A | GLY187 |
| A | ARG190 |
| A | GLY201 |
| A | LEU202 |
| A | TRP204 |
| A | TYR322 |
| A | ARG450 |
| site_id | AC2 |
| Number of Residues | 9 |
| Details | BINDING SITE FOR RESIDUE SO4 A 504 |
| Chain | Residue |
| A | HIS140 |
| A | TRP317 |
| A | HOH984 |
| A | HOH1132 |
| A | HOH1181 |
| A | HOH1206 |
| B | ARG337 |
| B | HOH1204 |
| B | HOH1298 |
| site_id | AC3 |
| Number of Residues | 10 |
| Details | BINDING SITE FOR RESIDUE SO4 B 503 |
| Chain | Residue |
| B | ARG138 |
| B | CYS185 |
| B | ARG190 |
| B | GLY201 |
| B | LEU202 |
| B | TRP204 |
| B | TYR322 |
| B | ARG450 |
| B | HOH912 |
| B | HOH913 |
| site_id | AC4 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE SO4 B 504 |
| Chain | Residue |
| A | ARG337 |
| B | HIS140 |
| B | TRP317 |
| B | HOH953 |
| B | HOH1079 |
| B | HOH1138 |
| B | HOH1310 |
| site_id | AC5 |
| Number of Residues | 18 |
| Details | BINDING SITE FOR RESIDUE MTE A 501 |
| Chain | Residue |
| A | PHE135 |
| A | PHE136 |
| A | THR137 |
| A | ARG138 |
| A | HIS140 |
| A | CYS185 |
| A | ASP244 |
| A | TYR252 |
| A | HIS283 |
| A | ARG288 |
| A | GLY296 |
| A | ALA297 |
| A | SER299 |
| A | VAL300 |
| A | LYS301 |
| A | TRP302 |
| A | TYR322 |
| A | MO505 |
| site_id | AC6 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE MO A 505 |
| Chain | Residue |
| A | CYS185 |
| A | MTE501 |
| A | HOH913 |
| A | HOH1329 |
| site_id | AC7 |
| Number of Residues | 14 |
| Details | BINDING SITE FOR RESIDUE HEM A 502 |
| Chain | Residue |
| A | VAL33 |
| A | PHE36 |
| A | HIS40 |
| A | PRO41 |
| A | GLY42 |
| A | LYS46 |
| A | ILE47 |
| A | ALA50 |
| A | PHE58 |
| A | TRP59 |
| A | HIS65 |
| A | HIS69 |
| A | HOH1030 |
| A | HOH1199 |
| site_id | AC8 |
| Number of Residues | 18 |
| Details | BINDING SITE FOR RESIDUE MTE B 501 |
| Chain | Residue |
| B | PHE135 |
| B | PHE136 |
| B | THR137 |
| B | ARG138 |
| B | HIS140 |
| B | CYS185 |
| B | ASP244 |
| B | TYR252 |
| B | HIS283 |
| B | ARG288 |
| B | GLY296 |
| B | ALA297 |
| B | SER299 |
| B | VAL300 |
| B | LYS301 |
| B | TRP302 |
| B | TYR322 |
| B | MO505 |
| site_id | AC9 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE MO B 505 |
| Chain | Residue |
| B | CYS185 |
| B | MTE501 |
| B | HOH912 |
| B | HOH1316 |
| site_id | BC1 |
| Number of Residues | 15 |
| Details | BINDING SITE FOR RESIDUE HEM B 502 |
| Chain | Residue |
| B | LYS46 |
| B | ILE47 |
| B | ALA50 |
| B | LEU55 |
| B | PHE58 |
| B | TRP59 |
| B | TYR62 |
| B | VAL64 |
| B | HIS65 |
| B | HIS69 |
| B | LEU74 |
| B | VAL33 |
| B | PHE36 |
| B | HIS40 |
| B | PRO41 |
| site_id | BC2 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE EPE B 911 |
| Chain | Residue |
| B | GLY161 |
| B | LEU163 |
| B | ARG173 |
| B | ARG197 |
| B | PRO198 |
| B | HIS225 |
| B | HOH1125 |
| B | HOH1213 |
| site_id | BC3 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE GOL A 912 |
| Chain | Residue |
| A | ARG337 |
| A | THR338 |
| A | ALA339 |
| A | PRO340 |
| A | HOH1259 |
| B | HOH1223 |
Functional Information from PROSITE/UniProt
| site_id | PS00191 |
| Number of Residues | 8 |
| Details | CYTOCHROME_B5_1 Cytochrome b5 family, heme-binding domain signature. FVELHPGG |
| Chain | Residue | Details |
| A | PHE36-GLY43 | |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 158 |
| Details | Domain: {"description":"Cytochrome b5 heme-binding","evidences":[{"source":"PROSITE-ProRule","id":"PRU00279","evidenceCode":"ECO:0000255"}]} |
| site_id | SWS_FT_FI2 |
| Number of Residues | 454 |
| Details | Region: {"description":"Moco domain","evidences":[{"source":"PubMed","id":"9428520","evidenceCode":"ECO:0000305"}]} |
| site_id | SWS_FT_FI3 |
| Number of Residues | 270 |
| Details | Region: {"description":"Homodimerization","evidences":[{"source":"PubMed","id":"9428520","evidenceCode":"ECO:0000269"}]} |
| site_id | SWS_FT_FI4 |
| Number of Residues | 4 |
| Details | Binding site: {"description":"axial binding residue","evidences":[{"source":"PubMed","id":"9428520","evidenceCode":"ECO:0000269"}]} |
| site_id | SWS_FT_FI5 |
| Number of Residues | 22 |
| Details | Binding site: {"evidences":[{"source":"PubMed","id":"9428520","evidenceCode":"ECO:0000269"}]} |
Catalytic Information from CSA
| site_id | CSA1 |
| Number of Residues | 1 |
| Details | a catalytic site defined by CSA, PubMed 12424234 |
| Chain | Residue | Details |
| A | ARG138 | |
| site_id | MCSA1 |
| Number of Residues | 5 |
| Details | M-CSA 121 |
| Chain | Residue | Details |
| A | HIS40 | metal ligand |
| A | HIS65 | metal ligand |
| A | ARG138 | steric role |
| A | CYS185 | metal ligand |
| A | TYR322 | hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor, proton relay |
| site_id | MCSA2 |
| Number of Residues | 5 |
| Details | M-CSA 121 |
| Chain | Residue | Details |
| B | HIS40 | metal ligand |
| B | HIS65 | metal ligand |
| B | ARG138 | steric role |
| B | CYS185 | metal ligand |
| B | TYR322 | hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor, proton relay |
