Table 2. Properties of L-lysine decarboxylase from various sources.

Sources	Km (mM)	pH	Temperature (°C)	kcat (s−1)	kcat/Km (s−1 M−1)	References
E. coli CadA	1.5	5.5	52	None	None	Lemonnier et al. 1998 [13]
H. alvei	4.93	6.5	37	4.12	0.84×103	Wang et al. 2015 [20]
H. alvei mutants	3.23	6.5	37	5.43	1.68×103
K. pneumoniae	7.7	6.0	37	0.98	0.12×103	Kim et al. 2016 [21]
Burkholderia sp.	0.84	6.0	50	None	None	Sugawara et al. 2014 [49]
S. ruminantium	0.63	6.0	45	10.6	17×103	Takatsuka et al. 1999 [50]
Subtropical soil metagenome	1.08±0.16	6.5	40	5.09±0.63	4.73×103	This work