Functional Information from GO Data
| Chain | GOid | namespace | contents | 
| A | 0004517 | molecular_function | nitric-oxide synthase activity | 
| 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 | 19 | 
| Details | BINDING SITE FOR RESIDUE HEM A 901 | 
| Chain | Residue | 
| A | TRP60 | 
| A | GLU243 | 
| A | TRP329 | 
| A | TYR355 | 
| A | TYR357 | 
| A | SK6904 | 
| A | GOL905 | 
| A | HOH2024 | 
| A | HOH2032 | 
| A | HOH2147 | 
| A | HOH2239 | 
| A | SER63 | 
| A | ARG65 | 
| A | CYS66 | 
| A | PHE235 | 
| A | ASN236 | 
| A | GLY237 | 
| A | TRP238 | 
| A | MET240 | 
| site_id | AC2 | 
| Number of Residues | 13 | 
| Details | BINDING SITE FOR RESIDUE SK6 A 904 | 
| Chain | Residue | 
| A | HIS128 | 
| A | ILE218 | 
| A | PHE235 | 
| A | TRP238 | 
| A | TYR239 | 
| A | GLU243 | 
| A | ARG247 | 
| A | THR328 | 
| A | TRP329 | 
| A | PHE342 | 
| A | HEM901 | 
| A | POL906 | 
| A | POL910 | 
| site_id | AC3 | 
| Number of Residues | 8 | 
| Details | BINDING SITE FOR RESIDUE GOL A 905 | 
| Chain | Residue | 
| A | MET221 | 
| A | TYR355 | 
| A | PHE356 | 
| A | TYR357 | 
| A | HEM901 | 
| A | HOH2022 | 
| A | HOH2023 | 
| A | HOH2240 | 
| site_id | AC4 | 
| Number of Residues | 5 | 
| Details | BINDING SITE FOR RESIDUE POL A 906 | 
| Chain | Residue | 
| A | GLU243 | 
| A | ARG247 | 
| A | ASN248 | 
| A | SK6904 | 
| A | HOH2239 | 
| site_id | AC5 | 
| Number of Residues | 8 | 
| Details | BINDING SITE FOR RESIDUE GOL A 907 | 
| Chain | Residue | 
| A | GLU156 | 
| A | GLY159 | 
| A | TRP160 | 
| A | ARG161 | 
| A | SER298 | 
| A | ILE299 | 
| A | GLN308 | 
| A | HOH2106 | 
| site_id | AC6 | 
| Number of Residues | 8 | 
| Details | BINDING SITE FOR RESIDUE GOL A 908 | 
| Chain | Residue | 
| A | ARG142 | 
| A | GLY144 | 
| A | ASP166 | 
| A | ARG254 | 
| A | TYR255 | 
| A | LYS257 | 
| A | HOH2094 | 
| A | HOH2167 | 
| site_id | AC7 | 
| Number of Residues | 6 | 
| Details | BINDING SITE FOR RESIDUE POL A 909 | 
| Chain | Residue | 
| A | ILE197 | 
| A | THR198 | 
| A | SER206 | 
| A | GLU209 | 
| A | LEU210 | 
| A | HOH2241 | 
| site_id | AC8 | 
| Number of Residues | 5 | 
| Details | BINDING SITE FOR RESIDUE POL A 910 | 
| Chain | Residue | 
| A | TRP327 | 
| A | THR328 | 
| A | SK6904 | 
| A | HOH2028 | 
| A | HOH2231 | 
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 | 1 | 
| Details | Binding site: {"description":"axial binding residue"} |