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. 2005 Jan 20;24(3):452–463. doi: 10.1038/sj.emboj.7600554

Table 2.

Kinetic parameters for pCDK2/cyclin A and pCDK2/cyclin E1

Enzyme Substrate kcat (s−1) Km (μM) kcat/Km (s−1 μM−1)
pCDK2/cyclin A HHASPRK 34.2±2.5 793±89 0.046
pCDK2/cyclin E1 (full length) HHASPRK 30.5±5.6 766±102 0.039
pCDK2/cyclin E1 (81–363) HHASPRK 53.2±4.5 1005±127 0.053
pCDK2/cyclin A CDC6-modified peptidea 18.9±2.4 74±24 0.25
pCDK2/cyclin E1 (81–363)
CDC6-modified peptidea
22.6±1.7
181±31
0.125
Sequence: HHASPRKQGKKENGPPHSHTLKGRRLVFDN (for further details, see text).