Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0004517 | molecular_function | nitric-oxide synthase activity |
| A | 0005575 | cellular_component | cellular_component |
| A | 0006809 | biological_process | nitric oxide biosynthetic process |
| A | 0016491 | molecular_function | oxidoreductase activity |
| A | 0020037 | molecular_function | heme binding |
| A | 0046872 | molecular_function | metal ion binding |
| B | 0004517 | molecular_function | nitric-oxide synthase activity |
| B | 0005575 | cellular_component | cellular_component |
| B | 0006809 | biological_process | nitric oxide biosynthetic process |
| B | 0016491 | molecular_function | oxidoreductase activity |
| B | 0020037 | molecular_function | heme binding |
| B | 0046872 | molecular_function | metal ion binding |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 16 |
| Details | BINDING SITE FOR RESIDUE HEM A 901 |
| Chain | Residue |
| A | TRP60 |
| A | TYR355 |
| A | TYR357 |
| A | 12S904 |
| A | HOH2231 |
| A | HOH2334 |
| A | HOH2367 |
| A | HOH2368 |
| A | ARG65 |
| A | CYS66 |
| A | PHE235 |
| A | ASN236 |
| A | GLY237 |
| A | TRP238 |
| A | GLU243 |
| A | TRP329 |
| site_id | AC2 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE CL A 903 |
| Chain | Residue |
| A | GLN129 |
| A | ARG132 |
| A | TYR239 |
| A | ASN248 |
| site_id | AC3 |
| Number of Residues | 11 |
| Details | BINDING SITE FOR RESIDUE 12S A 904 |
| Chain | Residue |
| A | HIS128 |
| A | PHE235 |
| A | TRP238 |
| A | GLU243 |
| A | ARG247 |
| A | THR328 |
| A | TRP329 |
| A | TYR357 |
| A | HEM901 |
| A | HOH2137 |
| B | PHE342 |
| site_id | AC4 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE GOL A 905 |
| Chain | Residue |
| A | GLY159 |
| A | TRP160 |
| A | ARG161 |
| A | TRP238 |
| A | SER298 |
| A | ILE299 |
| A | GLN308 |
| A | HOH2300 |
| site_id | AC5 |
| Number of Residues | 14 |
| Details | BINDING SITE FOR RESIDUE HEM B 901 |
| Chain | Residue |
| B | TRP60 |
| B | ARG65 |
| B | CYS66 |
| B | PHE235 |
| B | ASN236 |
| B | GLY237 |
| B | TRP238 |
| B | GLU243 |
| B | TRP329 |
| B | TYR355 |
| B | TYR357 |
| B | 12S904 |
| B | HOH2329 |
| B | HOH2330 |
| site_id | AC6 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE CL B 903 |
| Chain | Residue |
| B | GLN129 |
| B | ARG132 |
| B | TYR239 |
| B | ASN248 |
| B | HOH2143 |
| site_id | AC7 |
| Number of Residues | 10 |
| Details | BINDING SITE FOR RESIDUE 12S B 904 |
| Chain | Residue |
| A | PHE342 |
| B | HIS128 |
| B | PHE235 |
| B | TRP238 |
| B | GLU243 |
| B | ARG247 |
| B | THR328 |
| B | TRP329 |
| B | TYR357 |
| B | HEM901 |
| site_id | AC8 |
| Number of Residues | 10 |
| Details | BINDING SITE FOR RESIDUE GOL B 907 |
| Chain | Residue |
| B | GLU156 |
| B | TRP160 |
| B | ARG161 |
| B | TRP238 |
| B | SER298 |
| B | ILE299 |
| B | HOH2168 |
| B | HOH2279 |
| B | HOH2286 |
| B | HOH2331 |
| site_id | AC9 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE PEG B 908 |
| Chain | Residue |
| A | GLU363 |
| B | TRP8 |
| B | LYS36 |
| B | ASP40 |
Functional Information from PROSITE/UniProt
| site_id | PS60001 |
| Number of Residues | 8 |
| Details | NOS Nitric oxide synthase (NOS) signature. RCIGRLfW |
| Chain | Residue | Details |
| A | ARG65-TRP72 | |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 2 |
| Details | BINDING: axial binding residue |
| Chain | Residue | Details |
| A | CYS66 | |
| B | CYS66 | |
