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. Author manuscript; available in PMC: 2013 Jul 24.
Published in final edited form as: Biochemistry. 2012 Jul 9;51(29):5791–5803. doi: 10.1021/bi300391m

Table 3.

Stoichiometry of Reactions with DTNB.

Species Stoichiometry (TNB2−/subunit)
C93A 0a
C109A 0.30±0.03
C116A 0.64±0.02
C109/116A 0.87± 0.08
Wild typeb 1.98±0.15
a

No change in absorbance was observed.

b

Specific activity 18 U mg−1, all other species were catalytically inactive.