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Table 1 Activities of mitochondrial enzymes in muscle

From: Pure exercise intolerance and ophthalmoplegia associated with the m.12,294G > A mutation in the MT-TL2 gene: a case report

 

Patient

Controls mean ± SD [range] (n = 29)

Complex I/CS

0.06

0.34 ± 0.09 [0.18–0.58]

Complex II/CS

0.35

0.39 ± 0.07 [0.32–0.62]

Complex III/CS

0.51

1.20 ± 0.21 [0.75–1.71]

Complex IV/CS

1.2

3.8 ± 0.7 [2.5–5.7]

CS

634

309 ± 83 [181–468]

  1. Enzyme activity is expressed as milliunits per milliunits citrate synthase (CS). CS activity is expressed as milliunits per milligrams protein. Reference values are from 29 age-matched controls and expressed as mean ± SD with ranges in brackets