Skip to main content
. Author manuscript; available in PMC: 2007 Oct 10.
Published in final edited form as: J Biol Chem. 2006 Dec 22;282(8):5367–5377. doi: 10.1074/jbc.M610993200

TABLE 4.

Protein kinase A activity using human CTP synthetase 1 synthetic peptides

Peptidea Sequenceb Protein kinase A activity
nmol/min/mg
T83 LDIRLTKDNN NAc
S219 VVCRCSNPLD 0.57 ± 0.1
T378 FGVRGTEGKI 0.45 ± 0.2
T455 LGKRRTLFQT 107.1 ± 20
A455 LGKRRALFQT NA
S552 SVGRLSHYLQ 27 ± 1
A552 SVGRLAHYLQ NA
S562 QKGCRLSPRD NA
T566 PRDTYSDRSG 0.11 ± 0.1
S573 YSDRSGSSSP NA
a

Protein kinase A activity measured with 0.5 mM peptide.

b

Putative phosphorylation site is underlined

c

No activity.