Skip to main content
. 2013 May 6;8(5):e61918. doi: 10.1371/journal.pone.0061918

Table 1. Steady-state kinetics constants of Shikimate Kinases (SKs) from different organisms.

MtSK1 MtSK2 E. coli SKI2 E. coli SKII2 EcSK3
kcat(s−1) 60 (±8) 44 (±2) 32 35
K MgATP (µM) 112 (±4) 83 (±4) 160 620
K SKH (µM) 650 (±28) 410 (±20) 20×103 200 310
k cat/KMgATP (M−1 s−1) 5.4 (±0.7)×105 5.3×105 2.0×105 5.6×104
k cat/KSKH (M−1 s−1) 0.9 (±0.1)×105 1.1×105 1.6×105 1.1×105
1

Results described here.

2

adapted from reference [43].

3

SK from Erwinia chrysanthemi. (values taken from reference [54]).