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:	S591
P-Site Sequence:	SLSAPHESFSYGLGY
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	S591	SLSAPHESFSYGLGY	100 / 9 AA	116
Phosphosite 1:	CDKL5	O76039	S593	SAPHESFSYGLGYTS	100 / 7 AA	116
Phosphosite 2:	KERA	O60938	S315	MLPAERDSFSYGPHL	66 / 9 AA	41
Phosphosite 3:	ZFYVE20	Q9H1K0	S82	TQGYESFSYGGVDPY	85 / 7 AA	89
Phosphosite 4:	ZFYVE20	Q9H1K0	Y83	QGYESFSYGGVDPYM	100 / 6 AA	89
Phosphosite 5:	ZFYVE20	Q9H1K0	S80	SGTQGYESFSYGGVD	85 / 7 AA	89
Phosphosite 6:	PLCXD2	Q0VAA5	S59	AIPGSHDSFSYWVDE	62 / 8 AA	35
Phosphosite 7:	KERA	O60938	S317	PAERDSFSYGPHLRY	71 / 7 AA	41
Phosphosite 8:	CDKL5	O76039	Y594	APHESFSYGLGYTSP	100 / 6 AA	116
Phosphosite 9:	PLCXD2	Q0VAA5	S61	PGSHDSFSYWVDEKS	83 / 6 AA	35
Phosphosite 10:	KERA	O60938	Y318	AERDSFSYGPHLRYL	83 / 6 AA	41
Phosphosite 11:	ERM	P41161	S326	SSSHEGFSYEKDPRL	83 / 6 AA	58
Phosphosite 12:	ADAMTS7	Q9UKP4	S1077	INFHEDLSYGPSEEP	71 / 7 AA	184
Phosphosite 13:	KIAA1632	Q9HCE0	S158	LSESAPQSNFSYTQP	62 / 8 AA	292
Phosphosite 14:	Syk	P43405	Y568	LMWEAFSYGQKPYRG	83 / 6 AA	72
Phosphosite 15:	C20orf152	Q96M20	Y266	AKIERFSYGQLISKD	83 / 6 AA	67
Phosphosite 16:	C20orf152	Q96M20	S265	MAKIERFSYGQLISK	83 / 6 AA	67
Phosphosite 17:	DPY19L2P2	Q6ZN68	S110	WTPPLRESFSYPFLV	83 / 6 AA	43
Phosphosite 18:	DPY19L2	Q6NUT2	S300	WTPPLRESFSYPFLV	83 / 6 AA	87
Phosphosite 19:	DPY19L1	Q2PZI1	S214	WTPPLRESFSYPFLV	83 / 6 AA	77
Phosphosite 20:	PITX3	O75364	S278	AKQHASFSYPAVHGP	83 / 6 AA	32