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. 2008 Nov 14;283(46):31469–31476. doi: 10.1074/jbc.M803346200

TABLE 2.

In vitro activities of purified enzymes

Enzyme
RNAse refoldinga,b
Insulin reductiona
Citrate synthase inactivation
CSt½c μd
μm/min/μm Enz ×10-3ΔA650 nm/min2 min min-1
0.94 ± 0.01 0.51 ± 0.01
DsbC 0.067 ± 0.012 5.81 ± 0.21 3.15 ± 0.05 0.22 ± 0.02
FkpA-DsbA2 0.012 ± 0.001 0.45 ± 0.11 2.46 ± 0.04 0.17 ± 0.06
FkpA-DsbA3 0.013 ± 0.001 0.43 ± 0.13 2.01 ± 0.05 0.36 ± 0.06
FkpA-DsbA4 0.014 ± 0.003 0.55 ± 0.12 3.82 ± 0.06 0.45 ± 0.22
FkpA-DsbA5 0.01 ± 0.001 0.38 ± 0.16 2.71 ± 0.07 0.26 ± 0.09
a

Data are expressed as mean ± S.D. (n = 3-6).

b

The activities were determined from a plot of isomerization velocity against enzyme concentrations.

c

t½, inactivation half-time.

d

μ, inactivation rate.