Table 1

Fibroblast prolidase activities (expressed as mmol/h per mg protein) in patient 1

Substrate
Leucyl-prolineGlycyl-proline
−Mn2++Mn2+−Mn2++Mn2+
Patient 10.0370.730.0370.17
Controls, n=6 (SEM)2.78 (0.79)3.80 (0.90)0.98 (0.32)6.94 (0.64)

  • −Mn2+ = in the absence of 1 mmol/l MnSO4; +Mn2+ = in the presence of 1 mmol/l MnSO4.