TABLE 1.

Calmodulin peptides identified in CPK28-YFP co-immunopurification experiments

Peptidea	Sampleb	Mr (experimental)	Δ (ppm)	Peptide ID probability (%)
R.VFDKDQNGFISAAELR.H	CPK28-YFP	1808.91	2.5	97.3
R.VFDKDQNGFISAAELR.H	CPK28-YFP	1808.91	1.3	99.7
R.VFDKDQNGFISAAELR.H	CPK28-YFP	1808.91	1.3	99.7
R.VFDKDQNGFISAAELR.H	CPK28-YFP	1808.91	2.5	99.7
R.VFDKDQNGFISAAELR.H	CPK28-YFP	1808.91	0.9	99.7
R.VFDKDQNGFISAAELR.H	CPK28-YFP	1808.91	0.9	95.9
R.VFDKDQNGFISAAELR.H	CPK28-YFP	1808.91	0.9	99.7
K.(ox)MKDTDSEEELKEAFR.V	CPK28D188A-YFP	1842.83	1.3	98.9
K.(ox)MKDTDSEEELKEAFR.V	CPK28D188A-YFP	1842.83	0.3	99.0
K.(ox)MKDTDSEEELKEAFR.V	CPK28D188A-YFP	1842.83	0.3	99.0
K.(ox)MKDTDSEEELKEAFR.V	CPK28D188A-YFP	1842.83	1.3	99.7
R.VFDKDQNGFISAAELR.H	CPK28D188A-YFP	1808.91	2.1	99.7
R.VFDKDQNGFISAAELR.H	CPK28D188A-YFP	1808.91	1.9	99.7
R.VFDKDQNGFISAAELR.H	CPK28D188A-YFP	1808.91	1.9	99.7

^a (ox)M represents oxidized methionine.

^b Overexpression of CPK28-YFP or CPK28^D188A-YFP is in the cpk28-1 knockout background.