| 2. Enzymes |
| Citrate synthase |
| Cyclin-dependent Kinase 2 (CdK2) |
| DNA polymerase (KLENOW fragment) + dCTP |
| |
| 3. Membrane Receptors, Channels |
| HGH Receptor + HGH |
| Rhodopsin -/+ Retinal |
| |
| 4. Signal Transduction Proteins |
| 5. Multimodular Adhesion Proteins |
| 6. DNA-Binding Proteins |
| 7. Immunological Proteins |
| 8. Miscellaneous Macromolecules |