Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0005506 | molecular_function | iron ion binding |
| A | 0005509 | molecular_function | calcium ion binding |
| A | 0016491 | molecular_function | oxidoreductase activity |
| A | 0019645 | biological_process | anaerobic electron transport chain |
| A | 0020037 | molecular_function | heme binding |
| A | 0030288 | cellular_component | outer membrane-bounded periplasmic space |
| A | 0042128 | biological_process | nitrate assimilation |
| A | 0042279 | molecular_function | nitrite reductase (cytochrome, ammonia-forming) activity |
| A | 0042597 | cellular_component | periplasmic space |
| A | 0046872 | molecular_function | metal ion binding |
| B | 0005506 | molecular_function | iron ion binding |
| B | 0005509 | molecular_function | calcium ion binding |
| B | 0016491 | molecular_function | oxidoreductase activity |
| B | 0019645 | biological_process | anaerobic electron transport chain |
| B | 0020037 | molecular_function | heme binding |
| B | 0030288 | cellular_component | outer membrane-bounded periplasmic space |
| B | 0042128 | biological_process | nitrate assimilation |
| B | 0042279 | molecular_function | nitrite reductase (cytochrome, ammonia-forming) activity |
| B | 0042597 | cellular_component | periplasmic space |
| B | 0046872 | molecular_function | metal ion binding |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 24 |
| Details | binding site for residue HEC A 501 |
| Chain | Residue |
| A | TYR85 |
| A | CYS202 |
| A | HIS203 |
| A | TYR206 |
| A | HIS257 |
| A | HIS381 |
| A | HEC503 |
| A | HOH632 |
| A | HOH655 |
| A | HOH690 |
| A | HOH711 |
| A | LYS86 |
| A | HOH747 |
| A | HOH762 |
| A | HOH800 |
| A | HOH921 |
| A | HOH956 |
| A | ASP97 |
| A | THR101 |
| A | ARG103 |
| A | LEU115 |
| A | CYS119 |
| A | CYS122 |
| A | LYS123 |
| site_id | AC2 |
| Number of Residues | 21 |
| Details | binding site for residue HEC A 502 |
| Chain | Residue |
| A | PHE46 |
| A | GLN49 |
| A | TYR50 |
| A | TRP53 |
| A | GLY156 |
| A | CYS157 |
| A | CYS160 |
| A | HIS161 |
| A | PRO166 |
| A | LEU168 |
| A | LYS191 |
| A | VAL276 |
| A | MET280 |
| A | PHE291 |
| A | THR292 |
| A | HIS294 |
| A | HEC503 |
| A | HOH605 |
| A | HOH636 |
| A | HOH648 |
| A | HOH950 |
| site_id | AC3 |
| Number of Residues | 25 |
| Details | binding site for residue HEC A 503 |
| Chain | Residue |
| A | SER59 |
| A | PRO88 |
| A | ARG89 |
| A | GLY90 |
| A | HIS91 |
| A | TYR93 |
| A | ALA94 |
| A | ASP97 |
| A | CYS122 |
| A | LYS123 |
| A | ILE155 |
| A | VAL198 |
| A | CYS199 |
| A | CYS202 |
| A | HIS203 |
| A | HIS279 |
| A | MET280 |
| A | VAL296 |
| A | HEC501 |
| A | HEC502 |
| A | HEC504 |
| A | HOH619 |
| A | HOH647 |
| A | HOH666 |
| A | HOH906 |
| site_id | AC4 |
| Number of Residues | 21 |
| Details | binding site for residue HEC A 504 |
| Chain | Residue |
| A | HIS203 |
| A | GLU259 |
| A | TRP263 |
| A | HIS268 |
| A | VAL273 |
| A | SER274 |
| A | CYS275 |
| A | CYS278 |
| A | HIS279 |
| A | ASN298 |
| A | PRO299 |
| A | PHE300 |
| A | LYS326 |
| A | HIS381 |
| A | GLY382 |
| A | ALA385 |
| A | HIS386 |
| A | HEC503 |
| A | HOH619 |
| A | HOH641 |
| A | HOH837 |
| site_id | AC5 |
| Number of Residues | 16 |
| Details | binding site for residue HEC A 505 |
| Chain | Residue |
| A | HIS311 |
| A | ARG325 |
| A | HOH627 |
| A | HOH691 |
| A | HOH896 |
| B | HIS311 |
| B | GLN313 |
| B | HEC505 |
| A | HIS268 |
| A | VAL273 |
| A | ASP277 |
| A | PRO299 |
| A | PHE300 |
| A | THR306 |
| A | CYS307 |
| A | CYS310 |
| site_id | AC6 |
| Number of Residues | 6 |
| Details | binding site for residue CA A 506 |
| Chain | Residue |
| A | GLU205 |
| A | TYR206 |
| A | LYS254 |
| A | GLN256 |
| A | HOH687 |
| A | HOH844 |
| site_id | AC7 |
| Number of Residues | 6 |
| Details | binding site for residue CA B 506 |
| Chain | Residue |
| B | GLU205 |
| B | TYR206 |
| B | LYS254 |
| B | GLN256 |
| B | HOH677 |
| B | HOH938 |
| site_id | AC8 |
| Number of Residues | 28 |
| Details | binding site for residue HEC B 501 |
| Chain | Residue |
| B | TYR85 |
| B | LYS86 |
| B | ASP97 |
| B | THR101 |
| B | ARG103 |
| B | LEU115 |
| B | PRO116 |
| B | MET117 |
| B | ALA118 |
| B | TRP120 |
| B | SER121 |
| B | CYS122 |
| B | LYS123 |
| B | CYS202 |
| B | HIS203 |
| B | TYR206 |
| B | HIS257 |
| B | HIS381 |
| B | HEC503 |
| B | HOH652 |
| B | HOH654 |
| B | HOH705 |
| B | HOH713 |
| B | HOH762 |
| B | HOH776 |
| B | HOH833 |
| B | HOH852 |
| B | HOH866 |
| site_id | AC9 |
| Number of Residues | 21 |
| Details | binding site for residue HEC B 502 |
| Chain | Residue |
| B | ASN39 |
| B | PHE46 |
| B | GLN49 |
| B | TRP53 |
| B | GLY156 |
| B | SER158 |
| B | ASP159 |
| B | CYS160 |
| B | HIS161 |
| B | PRO166 |
| B | LEU168 |
| B | VAL276 |
| B | MET280 |
| B | PHE291 |
| B | THR292 |
| B | HIS294 |
| B | HEC503 |
| B | HOH612 |
| B | HOH628 |
| B | HOH643 |
| B | HOH683 |
| site_id | AD1 |
| Number of Residues | 33 |
| Details | binding site for residue HEC B 503 |
| Chain | Residue |
| B | SER59 |
| B | PRO88 |
| B | ARG89 |
| B | GLY90 |
| B | HIS91 |
| B | TYR93 |
| B | ALA94 |
| B | ASP97 |
| B | CYS122 |
| B | LYS123 |
| B | ILE155 |
| B | ARG172 |
| B | GLU195 |
| B | SER196 |
| B | MET197 |
| B | VAL198 |
| B | ALA200 |
| B | GLN201 |
| B | CYS202 |
| B | HIS203 |
| B | CYS275 |
| B | HIS279 |
| B | MET280 |
| B | VAL296 |
| B | GLY297 |
| B | HEC501 |
| B | HEC502 |
| B | HEC504 |
| B | HOH603 |
| B | HOH621 |
| B | HOH851 |
| B | HOH853 |
| B | HOH881 |
| site_id | AD2 |
| Number of Residues | 27 |
| Details | binding site for residue HEC B 504 |
| Chain | Residue |
| B | SER196 |
| B | CYS199 |
| B | HIS203 |
| B | GLU259 |
| B | TRP263 |
| B | HIS268 |
| B | VAL273 |
| B | SER274 |
| B | VAL276 |
| B | ASP277 |
| B | CYS278 |
| B | HIS279 |
| B | ASN298 |
| B | PRO299 |
| B | PHE300 |
| B | LYS326 |
| B | HIS381 |
| B | GLY382 |
| B | ALA385 |
| B | HIS386 |
| B | HEC503 |
| B | HOH603 |
| B | HOH883 |
| B | HOH910 |
| B | HOH912 |
| B | HOH913 |
| B | HOH956 |
| site_id | AD3 |
| Number of Residues | 18 |
| Details | binding site for residue HEC B 505 |
| Chain | Residue |
| A | HIS311 |
| A | GLN313 |
| A | HEC505 |
| B | ILE267 |
| B | HIS268 |
| B | VAL273 |
| B | ASP277 |
| B | PHE300 |
| B | PHE303 |
| B | THR306 |
| B | ALA308 |
| B | THR309 |
| B | CYS310 |
| B | HIS311 |
| B | ARG325 |
| B | HOH693 |
| B | HOH737 |
| B | HOH927 |
Functional Information from SwissProt/UniProt
| Chain | Residue | Details |
| A | HIS91 | |
| B | HIS91 | |
| B | LYS123 | |
| B | HIS161 | |
| B | HIS203 | |
| B | HIS268 | |
| B | HIS279 | |
| B | HIS294 | |
| B | HIS311 | |
| B | HIS386 | |
| A | LYS123 | |
| A | HIS161 | |
| A | HIS203 | |
| A | HIS268 | |
| A | HIS279 | |
| A | HIS294 | |
| A | HIS311 | |
| A | HIS386 | |
| Chain | Residue | Details |
| A | CYS119 | |
| B | CYS307 | |
| A | CYS199 | |
| A | CYS202 | |
| A | CYS275 | |
| A | CYS307 | |
| B | CYS119 | |
| B | CYS199 | |
| B | CYS202 | |
| B | CYS275 | |
| Chain | Residue | Details |
| A | CYS122 | |
| B | CYS122 | |
| Chain | Residue | Details |
| A | CYS157 | |
| A | CYS160 | |
| A | CYS278 | |
| A | CYS310 | |
| B | CYS157 | |
| B | CYS160 | |
| B | CYS278 | |
| B | CYS310 | |
| Chain | Residue | Details |
| A | GLU205 | |
| A | LYS254 | |
| A | GLN256 | |
| B | GLU205 | |
| B | LYS254 | |
| B | GLN256 | |
| Chain | Residue | Details |
| A | TYR206 | |
| A | HIS257 | |
| B | TYR206 | |
| B | HIS257 | |
