Integrating Phosphoproteomics and Bioinformatics to Study Brassinosteroid-Regulated Phosphorylation Dynamics in Arabidopsis

Table 2 The enriched motifs of all identified phosphopeptides

Motif	Corresponding kinase	No. of occurrence	No. phosphorylation change (two-fold)^a
pSDDE	CK2	32	5
pSDXE	CK2	99	16
pSDXD	CK2	73	5
pSP	GSK3, MAPK, CDK	139	24
pSEXE	CK2	58	7
pSXDXE	Unknown	41	3
DpS	Similar to human kinases: LAST1 and NEK2	141	20
EpS	Similar to human kinase: PRPF4B	133	23
RXXpS	SnRK2, CaMK	75	18
pSXP	Similar to human kinases: CSNK1G3, DYRK4, and PDIK1L	76	14
pSXXD	CK2	147	14
pSXXE	CK2	233	28
pSXXS	CK1	107	21
pTP	MAPK, CDK	34	9
pTXXE	CK2	36	7

^aNo. of occurrence on sites with two-fold phosphorylation change at any time point

ISSN: 1471-2164