Functional Information from GO Data
| Chain | GOid | namespace | contents |
| X | 0004517 | molecular_function | nitric-oxide synthase activity |
| X | 0005575 | cellular_component | cellular_component |
| X | 0006809 | biological_process | nitric oxide biosynthetic process |
| X | 0016491 | molecular_function | oxidoreductase activity |
| X | 0020037 | molecular_function | heme binding |
| X | 0046872 | molecular_function | metal ion binding |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 22 |
| Details | BINDING SITE FOR RESIDUE HEM X 901 |
| Chain | Residue |
| X | TRP56 |
| X | GLU239 |
| X | TRP325 |
| X | TYR351 |
| X | TYR353 |
| X | NO902 |
| X | H2B903 |
| X | HAR909 |
| X | HOH923 |
| X | HOH929 |
| X | HOH937 |
| X | SER59 |
| X | HOH950 |
| X | HOH1132 |
| X | HOH1198 |
| X | ARG61 |
| X | CYS62 |
| X | PHE231 |
| X | ASN232 |
| X | GLY233 |
| X | TRP234 |
| X | MET236 |
| site_id | AC2 |
| Number of Residues | 11 |
| Details | BINDING SITE FOR RESIDUE H2B X 903 |
| Chain | Residue |
| X | ARG243 |
| X | THR324 |
| X | TRP325 |
| X | PHE338 |
| X | HEM901 |
| X | HOH937 |
| X | HOH975 |
| X | HOH1035 |
| X | HOH1070 |
| X | HOH1132 |
| X | HOH1190 |
| site_id | AC3 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE NO X 902 |
| Chain | Residue |
| X | ILE214 |
| X | PHE231 |
| X | HEM901 |
| X | HAR909 |
| site_id | AC4 |
| Number of Residues | 15 |
| Details | BINDING SITE FOR RESIDUE HAR X 909 |
| Chain | Residue |
| X | GLN125 |
| X | ARG128 |
| X | TYR209 |
| X | ILE214 |
| X | GLY233 |
| X | TRP234 |
| X | TYR235 |
| X | GLU239 |
| X | ASN244 |
| X | HEM901 |
| X | NO902 |
| X | HOH925 |
| X | HOH1067 |
| X | HOH1097 |
| X | HOH1185 |
Functional Information from PROSITE/UniProt
| site_id | PS60001 |
| Number of Residues | 8 |
| Details | NOS Nitric oxide synthase (NOS) signature. RCIGRLfW |
| Chain | Residue | Details |
| X | ARG61-TRP68 | |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 1 |
| Details | BINDING: axial binding residue |
| Chain | Residue | Details |
| X | LEU89 | |
