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The Quantities Determined by Conservation Conditions
| Species | Concentration | Definition |
|---|---|---|
| Rs | z1(t) | Free Rs in membrane |
| Gs | z2(t) | Free Gs in membrane |
| UC | z3(t) | Free adenylate cyclase in the membrane |
| Ri | z4(t) | Free Ri in the membrane |
| Gi | z5(t) | Free Gi in the membrane |
| βγ | z6(t) | Free βγ subunits in the membrane |
| iPDE | z7(t) | Free PDE in the cytoplasm |
