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:	S604
P-Site Sequence:	GYTSPFSSQQRPHRH
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	S604	GYTSPFSSQQRPHRH	100 / 9 AA	116
Phosphosite 1:	CDKL5	O76039	S603	LGYTSPFSSQQRPHR	100 / 8 AA	116
Phosphosite 2:	HIPK2	Q9H2X6	S937	SSNTSPYSVQQRAGH	75 / 8 AA	131
Phosphosite 3:	EP400	Q96L91	S476	KVSAAFSSQQQPFQQ	66 / 9 AA	344
Phosphosite 4:	DENND4A	Q7Z401	S360	MHKVPFPSPQRPRIL	75 / 8 AA	209
Phosphosite 5:	DENND4C	Q5VZ89	S124	MQNIPFPSPQRPRIL	75 / 8 AA	187
Phosphosite 6:	KIAA0476	O75064	S365	IHNVPFPSPQRPRIL	75 / 8 AA	164
Phosphosite 7:	ICA1	Q05084	S124	GKALCFSSQQRLALR	100 / 6 AA	55
Phosphosite 8:	VCAN	P13611	S647	LSTTPFPSQHRTEIE	62 / 8 AA	373
Phosphosite 9:	ATP2C2	O75185	S486	RKKEIPFSSEQKWMA	71 / 7 AA	103
Phosphosite 10:	TBX5	Q99593	S276	SNHSPFSSESRALST	66 / 9 AA	58
Phosphosite 11:	ATP2C1	P98194	S455	RKAEYPFSSEQKWMA	71 / 7 AA	101
Phosphosite 12:	GLDC	P23378	S1013	EVYESPFSEQKRASS	75 / 8 AA	113
Phosphosite 13:	ATP2C2	O75185	S487	KKEIPFSSEQKWMAV	71 / 7 AA	103
Phosphosite 14:	NPAS2	Q99743	T558	VSLSFSSTQRPEAQQ	85 / 7 AA	92
Phosphosite 15:	TBX5	Q99593	S275	ASNHSPFSSESRALS	75 / 8 AA	58
Phosphosite 16:	LHX6	Q9UPM6	S308	IHYTPFSSPERARMV	62 / 8 AA	40
Phosphosite 17:	POM121L2	Q96KW2	S534	PMIAPFSSKQTPPPF	66 / 9 AA	103
Phosphosite 18:	ARID1A	O14497	S1356	PSGSPFPSQQTTMYQ	85 / 7 AA	242
Phosphosite 19:	LHX6	Q9UPM6	S307	DIHYTPFSSPERARM	62 / 8 AA	40
Phosphosite 20:	PATZ1	Q9HBE1	S648	PALGSPFSPQQNMSL	85 / 7 AA	74