Cofactor

S:E

Km (µM)

kcat (s−1)

k c a t K m 1 (s−1∙µM−1)

Coenzyme B12 (1)

2:1

1.12 ± 0.04

1.24 ± 0.36

1.11

7:1

0.7 ± 0.05

0.9 ± 0.4

1.29

14:1

0.52 ± 0.06

1.24 ± 0.36

2.39

Adenosylpeptide B12 (3)

2:1

1.07 ± 0.04

0.12 ± 0.01

0.1

14:1

0.35 ± 0.05

0.09 ± 0.01

0.26