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:	S450
P-Site Sequence:	NRHSFMESSQSKAGT
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	S450	NRHSFMESSQSKAGT	100 / 9 AA	116
Phosphosite 1:	CDKL5	O76039	S451	RHSFMESSQSKAGTL	100 / 8 AA	116
Phosphosite 2:	RELN	P78509	S764	LITSFLDSSQSRFLQ	66 / 9 AA	388
Phosphosite 3:	PAPPA2	Q9BXP8	S978	TSFFMESSQVLFDTE	100 / 6 AA	199
Phosphosite 4:	FAM40A	Q5VSL9	S440	IEMFLESSRSKFIGY	75 / 8 AA	96
Phosphosite 5:	RECK	O95980	S268	WQCFLESSQSVHPGV	85 / 7 AA	106
Phosphosite 6:	RELN	P78509	S765	ITSFLDSSQSRFLQF	62 / 8 AA	388
Phosphosite 7:	FAM40A	Q5VSL9	S439	DIEMFLESSRSKFIG	75 / 8 AA	96
Phosphosite 8:	MAGE-C1	O60732	S647	LPQSFPESSQSPPEG	87 / 8 AA	124
Phosphosite 9:	C2orf16	Q68DN1	S939	PAELMEPSQSLPEKG	71 / 7 AA	224
Phosphosite 10:	SCN3A	Q9NY46	S1881	MEDRFMASNPSKVSY	62 / 8 AA	226
Phosphosite 11:	ANO5	Q75V66	S497	TFASFMESDASLKQV	75 / 8 AA	107
Phosphosite 12:	RIMS4	Q9H426	S4	____MERSQSRLSLS	71 / 7 AA	29
Phosphosite 13:	RHEBL1	Q8TAI7	S148	WGATFMESSARENQL	83 / 6 AA	21
Phosphosite 14:	ZNF750	Q32MQ0	S424	PTDFMQTSQTCEGLY	57 / 7 AA	77
Phosphosite 15:	SUGT1	Q9Y2Z0	S335	MNKSFMESGGTVLST	83 / 6 AA	41
Phosphosite 16:	ELFN1	P0C7U0	S528	SKGSYMESSVAEIST	83 / 6 AA	88
Phosphosite 17:	RAB11FIP4	Q86YS3	S161	YTDSPMESTQSLEGS	75 / 8 AA	72
Phosphosite 18:	CCDC27	Q2M243	S578	TRVALESSQSRLERL	71 / 7 AA	75
Phosphosite 19:	CCDC27	Q2M243	S577	HTRVALESSQSRLER	71 / 7 AA	75
Phosphosite 20:	ELFN1	P0C7U0	Y525	PKASKGSYMESSVAE	83 / 6 AA	88