| GO:0007263 | nitric oxide mediated signal transduction | 1 | 12 | 
| GO:0004872 | receptor activity | 1 | 116 | 
| GO:0005525 | GTP binding | 5 | 197 | 
| GO:0008015 | blood circulation | 1 | 31 | 
| GO:0006182 | cGMP biosynthetic process | 1 | 10 | 
| GO:0004383 | guanylate cyclase activity | 1 | 6 | 
| GO:0060087 | relaxation of vascular smooth muscle | 1 | 5 | 
| GO:0008217 | regulation of blood pressure | 1 | 42 | 
| GO:0008074 | guanylate cyclase complex, soluble | 1 | 2 | 
| GO:0020037 | heme binding | 1 | 88 | 
| GO:0030828 | positive regulation of cGMP biosynthetic process | 1 | 4 | 
| GO:0052565 | response to defense-related host nitric oxide production | 1 | 1 | 
| GO:0007596 | blood coagulation | 4 | 339 |