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. Author manuscript; available in PMC: 2024 Jun 20.
Published in final edited form as: Biochemistry. 2023 Jun 7;62(12):1964–1975. doi: 10.1021/acs.biochem.3c00083

Table 3.

Kinetic parameters of different MmCDO and BsCDO species as determined by activity assays

Sample % Crosslinked
In SDS-PAGE Gel
KM (mM) kcat (sec−1) kcat/KM (mM−1sec−1)
MmCDO
Prep 2
Not measured 5.5 ± 0.3 0.8 ± 0.1 0.15 ± 0.03
BsCDO 0 6.6 ± 0.8 0.4 ± 0.1 0.05 ± 0.02
G82C BsCDO
High Iron Prep 1
62 10.7 ± 0.3 0.17 ± 0.02 0.016 ± 0.002
G82C BsCDO
Low Iron Prep 2
34 11.5 ± 0.1 0.0041 ± 0.0003 0.00036 ± 0.00003