| 3',5' cyclic AMP phosphodiesterase | Dictyostelium discoideum | 0.18 M NaCl |
| 3'-PGA diesterase | Yeast | 0.6 M KCl in 50 mM Tris-HCl |
| 5-methyl-L-tetrahydrofolate reductase | Bovine liver | 0.4–3.0 M KCl |
| Acylation stimulating protein | Human plasma | 3 M NaCl, 0.02 M phosphate |
| Adenylate cyclase | Bovine brain | 1 mM KCl, 8 mM ATP, 16 mM MgCl2, 1 mM EDTA |
| Alkaline phosphatase | E. coli | — |
| Alkyl hydroperoxide reductase | S. typhimurium | 1.0 M KCl, 0.5 M NaCl |
| Aspergillins (RIPs) | Aspergillus | 0.5–1 M NaCl gradient |
| ATP:AMP phosphotransferase | Bovine heart | 0.4–2.0 M NaCl |
Calmodulin-dependent cyclic nucleotide phosphodiesterase | Bovine brain | 0.15–1.5 M NaCl |
| Candida acid proteinase (CAP) | C. albicans | 1.5 M NaCl in citrate buffer |
| Carbamyl phosphate synthetase | Frog liver | 1 mM dithiothreitol |
| Casein kinase I | Bovine sperm | 0.2–2.5 M NaCl gradient |
| DNA helicase | S. cerevisiae | 1 M NaCl |
| DNA polymerase | Calf thymus | 0–0.5 M KCl |
| Formamidopyrimidine-DNA glycosylase | E. coli | 0.1–0.8 M KCl |
| GAL4(63) | S. cerevisiae | STD, 250 mM NaCl |
| Glutamate dehydrogenase | Yeast | 10 mM NADH, 1 M NH4Cl |
| Glutamine synthetase | S. typhimurium | 5 mM ATP |
| Glyoxalase II | Rat erythrocytes | 0–0.2 M KCl |
| GMP reductase | Human erythrocytes | 1 mM NADPH, 2 mM GMP |
| GTP:RNA guanylytransferase | Wheat germ | 0.05–0.75 M NaCl |
| Isocitrate dehydrogenase | E. coli | 2 mM NADP |
| Isocitrate dehydrogenase | E. coli | 2 mM NADP+ |
| MB creatine kinase | Human heart | 0.25 M NaCl |
Membrane-bound phosphatidylinositol kinase | Rat brain | Triton X-100, NaCl, glycerol |
| Methylenetetrahydrofolate reductase | Porcine liver | 0–10 mM NADPH |
| Metmyoglobin reductase | Bovine heart | 1.0 M NaCl, 1 mM NADH+ |
| Mitochondrial hexokinase | Rat brain | Glucose 6-phosphate |
| Phosphodiesterase | Bovine brain | 0.2 M KCl |
| Phosphatidic acid phosphatase | Porcine thymus membranes | 0.25–3 M NaCl gradient |
Phosphoinositiede-specific phospholipase C (PIC) | Bovine heart | 2 M NaCl |
| Polyadenylate-binding protein (PABP) | P. sativum | 2 M Guanidine-HCl |
| RNA ligase | E. coli | 0.2 M NaCl, 2 mM ATP |
| Serine transhydroxymethylase | Porcine liver | 0.5 M KCl |
| Thymidylate synthetase | S. cervisiae | 0.25–1 M KCl |
| Tyrosine phenollyase | Erwinia herbicola | 1.5 M NaCl, 0.5 mM mercaptoethanol |