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 |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 11 |
| Details | BINDING SITE FOR RESIDUE ARG A 2000 |
| Chain | Residue |
| A | GLN125 |
| A | HOH439 |
| A | HEM901 |
| A | ARG128 |
| A | TYR209 |
| A | PRO212 |
| A | ILE214 |
| A | TRP234 |
| A | TYR235 |
| A | GLU239 |
| A | ASN244 |
| site_id | AC2 |
| Number of Residues | 15 |
| Details | BINDING SITE FOR RESIDUE HEM A 901 |
| Chain | Residue |
| A | TRP56 |
| A | SER59 |
| A | CYS62 |
| A | PRO104 |
| A | PHE231 |
| A | ASN232 |
| A | GLY233 |
| A | TRP234 |
| A | GLU239 |
| A | TRP325 |
| A | TYR351 |
| A | TYR353 |
| A | HOH417 |
| A | H4B903 |
| A | ARG2000 |
| site_id | AC3 |
| Number of Residues | 10 |
| Details | BINDING SITE FOR RESIDUE H4B A 903 |
| Chain | Residue |
| A | ARG243 |
| A | THR324 |
| A | TRP325 |
| A | PHE338 |
| A | HIS339 |
| A | HOH430 |
| A | HOH519 |
| A | HOH558 |
| A | HOH561 |
| A | HEM901 |
Functional Information from PROSITE/UniProt
| site_id | PS60001 |
| Number of Residues | 8 |
| Details | NOS Nitric oxide synthase (NOS) signature. RCIGRLfW |
| Chain | Residue | Details |
| A | ARG61-TRP68 | |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 1 |
| Details | BINDING: axial binding residue |
| Chain | Residue | Details |
| A | LEU89 | |
Catalytic Information from CSA
| site_id | CSA1 |
| Number of Residues | 4 |
| Details | Annotated By Reference To The Literature 3nos |
| Chain | Residue | Details |
| A | TRP234 | |
| A | CYS62 | |
| A | ARG65 | |
| A | GLU239 | |
