Table I.
Enzyme Activity in Muscles of Wild-Type Mice (mol · kg−1h−1)
| Enzyme | Muscle | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Code no. | Full name | Function | Acronym | Plantaris | Tibialis anterior | Soleus | ||||||
| EC2.7.4.3 | Adenylate kinase | Purine salvage | AK | 289.5 ± 26.5 | 286.6 ± 13.2 | 230.4 ± 4.6 | ||||||
| EC2.7.1.1 | Hexokinase | Glycolysis | HK | 2.2 ± 0.4 | 2.7 ± 0.6 | 2.4 ± 0.1 | ||||||
| EC2.4.1.1 | Glycogen phosphorylase | Glycogen degradation | PHRL | 14.2 ± 1.0 | 11.2 ± 0.4 | 4.1 ± 0.4 | ||||||
| EC1.1.1.8 | Glycerol-3-phosphate dehydrogenase (NAD+) | Glycolysis | GOPDH | 10.7 ± 0.9 | 10.9 ± 1.8 | 2.1 ± 0.3 | ||||||
| EC2.7.1.40 | Pyruvate kinase | Glycolysis | PK | 91.3 ± 4.5 | 91.7 ± 3.4 | 37.4 ± 3.2 | ||||||
| EC1.1.1.27 | Lactate dehydrogenase | Glycolysis | LDH | 174.3 ± 7.5 | 167.1 ± 12.1 | 61.8 ± 2.9 | ||||||
| EC2.3.1.9 | Acetoacetyl-CoA thiolase | Fatty acid degradation | Thiol | 2.5 ± 0.5 | 3.3 ± 0.3 | 5.1 ± 0.4 | ||||||
| EC1.1.1.35 | β-hydroxyacyl-CoA dehydrogenase | Fatty acid degradation | BOAC | 9.3 ± 1.6 | 12.1 ± 2.1 | 15.2 ± 0.6 | ||||||
| EC4.1.3.7 | Citrate (si)-synthase | Tricarboxylic acid cycle | Cit Syn | 1.3 ± 0.3 | 1.6 ± 0.4 | 2.7 ± 0.4 | ||||||
| EC1.1.1.37 | Malate dehydrogenase | Tricarboxylic acid cycle | MDH | 25.5 ± 3.3 | 30.0 ± 3.4 | 35.0 ± 1.2 | ||||||
Data given as mean ± SEM of four muscles.