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:	S745
P-Site Sequence:	SLPSESSSGTNHSKR
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	S745	SLPSESSSGTNHSKR	100 / 9 AA	116
Phosphosite 1:	CDKL5	O76039	S744	SSLPSESSSGTNHSK	100 / 8 AA	116
Phosphosite 2:	STON2	Q8WXE9	S50	PDQSESSSGENHVVD	88 / 9 AA	101
Phosphosite 3:	CDKL5	O76039	T747	PSESSSGTNHSKRQP	100 / 7 AA	116
Phosphosite 4:	CDKL5	O76039	S743	VSSLPSESSSGTNHS	100 / 7 AA	116
Phosphosite 5:	EIF2AK3	Q9NZJ5	S1097	RSRSLSSSGTKHSRQ	77 / 9 AA	125
Phosphosite 6:	Ig kappa chain V-I region Ni	P01613	S71	SRFSESGSGTDFTFT	66 / 9 AA	12
Phosphosite 7:	KIAA0947	Q9Y2F5	S288	NVEKQSSSGTNCSSD	85 / 7 AA	248
Phosphosite 8:	GPRASP1	Q5JY77	S297	EVYVESSSGSEHEDH	75 / 8 AA	157
Phosphosite 9:	KAL1	P23352	S479	TTGSEASSGMTHENY	66 / 9 AA	76
Phosphosite 10:	Fbx4	Q9UKT5	S8	MAGSEPRSGTNSPPP	75 / 8 AA	44
Phosphosite 11:	C5	P01031	S1417	PSREESSSGSSHAVM	75 / 8 AA	188
Phosphosite 12:	EAF1	Q96JC9	S202	SSDSESSSGSDDDSS	66 / 9 AA	29
Phosphosite 13:	HEY2	Q9UBP5	S320	SSPQQTSSGTNNKPY	62 / 8 AA	36
Phosphosite 14:	ZNF735	P0CB33	T229	FNHSSSGTTHKRILT	85 / 7 AA	48
Phosphosite 15:	endofin	Q7Z3T8	Y73	CASSETSYGTNESSL	75 / 8 AA	169
Phosphosite 16:	SIPA1	Q96FS4	S143	GSHSEASSGTLASAE	85 / 7 AA	112
Phosphosite 17:	AFF3	P51826	S431	SSSDSESSSGSDSET	75 / 8 AA	133
Phosphosite 18:	C1orf185	Q5T7R7	S124	CDPSETSSTTNRSSV	66 / 9 AA	22
Phosphosite 19:	endofin	Q7Z3T8	S72	SCASSETSYGTNESS	75 / 8 AA	169
Phosphosite 20:	AFF4	Q9UHB7	S437	SHSGSESSSGSDSES	75 / 8 AA	127