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Table 1 Uricase activities at 0.075 mM uric acid and protein levels in lysates ( n = 30)

From: Comparison of activity indexes for recognizing enzyme mutants of higher activity with uricase as model

Candidates/parameters A B C D
Total proteins by the Bradford assay 0.63 0.66 0.65 0.66
(0.09) (0.10) (0.15) (0.09)
Activity concentration 0.30 0.28 0.18 0.033
(0.07) (0.06) (0.05) (0.004)
P for normality of AC by shapiro-Wilk test 0.104 0.182 0.439 0.282
Correlation coefficient (R) >0.63 >0.81 >0.84 >0.44
Specific activity 0.49 0.43 0.28 0.050
(0.09) (0.05) (0.05) (0.006)
P for normality of SA by Shapiro-Wilk test <0.001 0.310 0.972 0.031
  1. Numbers in parentheses were SD. Correlation coefficient was that for the association of activity concentrations with levels of total proteins. R > 0.361 and > 0.464 indicated P < 0.05 and P < 0.01 for the association of activity concentrations with proteins levels, respectively. SA: specific activity; AC: activity concentration.