Note - Blast analyses are based on comparisons of the phosphosites and the bordering four amino acids on each side of these phosphosites.

Phosphosite
Human Protein:	CDKL5
Human P-Site:	S502
P-Site Sequence:	SKSVSNLSEARAQIA
UniProt:	O76039
Intern. Prot. ID:	IPI00297671

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	CDKL5	O76039	S502	SKSVSNLSEARAQIA	100 / 9 AA	116
Phosphosite 1:	EVX1	P49640	S28	GKRVSNLSEAVGSPL	100 / 7 AA	42
Phosphosite 2:	UGT2B4	P06133	S317	GSMVSNTSEERANVI	77 / 9 AA	61
Phosphosite 3:	STXBP4	Q6ZWJ1	S452	STPLSNLSERRAVLA	77 / 9 AA	62
Phosphosite 4:	RB1CC1	Q8TDY2	S1054	KLKVSDLSDTRCKLE	62 / 8 AA	183
Phosphosite 5:	KIAA0652	O75143	S356	TETVSNSSEGRASPH	77 / 9 AA	57
Phosphosite 6:	ROR1	Q01973	S782	ASPVSNLSNPRYPNY	75 / 8 AA	104
Phosphosite 7:	CLIP1	P30622	S200	SESISNLSEAGSIKK	85 / 7 AA	162
Phosphosite 8:	NUMA1	Q14980	S479	QSSISNLSQAKEELE	62 / 8 AA	238
Phosphosite 9:	PRRX2	Q99811	S144	LARRVNLSEARVQVW	100 / 6 AA	27
Phosphosite 10:	ROR2	Q01974	S782	TSPVSNVSNARYVGP	75 / 8 AA	105
Phosphosite 11:	CDKL5	O76039	S499	LSDSKSVSNLSEARA	100 / 6 AA	116
Phosphosite 12:	EPPK1	P58107	S2642	VLFSSYLSEARRDEL	85 / 7 AA	553
Phosphosite 13:	C11orf80	Q8N6T0	S513	LQEVSNLSEWLSPSP	100 / 6 AA	58
Phosphosite 14:	DDX25	Q9UHL0	S26	NSHFSNLSQPRKNLW	71 / 7 AA	55
Phosphosite 15:	NRAP	Q86VF7	S1268	KTNAANLSDARYKES	71 / 7 AA	197
Phosphosite 16:	DLK	Q12852	S22	GGFVSTLSEASMRKL	85 / 7 AA	93
Phosphosite 17:	RAB25	P57735	S130	VGNKSDLSQAREVPT	71 / 7 AA	23
Phosphosite 18:	YDJC	A8MPS7	S67	TGLHANLSEGRPVGP	71 / 7 AA	34
Phosphosite 19:	PRRX1	P54821	T134	LARRVNLTEARVQVW	83 / 6 AA	27
Phosphosite 20:	C20orf19	Q2M2Z5	S266	RHGKSNLSEGKKSAE	71 / 7 AA	75