Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0005576 | cellular_component | extracellular region |
| A | 0016491 | molecular_function | oxidoreductase activity |
| A | 0033484 | biological_process | intracellular nitric oxide homeostasis |
| A | 0034776 | biological_process | response to histamine |
| A | 0042311 | biological_process | vasodilation |
| A | 0044552 | biological_process | vasodilation in another organism |
| A | 0046872 | molecular_function | metal ion binding |
| A | 0050819 | biological_process | negative regulation of coagulation |
| A | 0051381 | molecular_function | histamine binding |
| A | 0070026 | molecular_function | nitric oxide binding |
| A | 0070527 | biological_process | platelet aggregation |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 17 |
| Details | binding site for residue HEM A 201 |
| Chain | Residue |
| A | GLU27 |
| A | TYR107 |
| A | VAL109 |
| A | ILE121 |
| A | ILE123 |
| A | LEU135 |
| A | SER137 |
| A | HSM202 |
| A | HOH402 |
| A | TYR30 |
| A | PHE41 |
| A | PHE43 |
| A | GLU56 |
| A | LEU58 |
| A | HIS60 |
| A | PHE69 |
| A | PHE88 |
| site_id | AC2 |
| Number of Residues | 6 |
| Details | binding site for residue HSM A 202 |
| Chain | Residue |
| A | ASP32 |
| A | LEU125 |
| A | GLY133 |
| A | ASP134 |
| A | HEM201 |
| A | HOH301 |
Functional Information from SwissProt/UniProt
| Chain | Residue | Details |
| A | HIS60 | |
