Table 1.

Comparison of the catalytic and kinetic properties of cytoplasmic carbonic anhydrase isozymes from rainbow trout, using gill tissue and red blood cells as enzyme sources

Km (mmol l−1)kcat (e4 s−1)Ki Az (nmol l−1)Ki Cl (mmol l−1)
Gill8.72±1.038.90±1.951.21±0.1862.03±6.75
RBC23.26±5.22*30.28±5.83*1.34±0.1061.34±2.41
  • Values are mean±s.e.m. (N=4), with statistically different groups indicated by an asterisk (unpaired t-test; P<0.05). RBC, red blood cells.