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:	PLK4
Human P-Site:	S303
P-Site Sequence:	ASSSTSISGSLFDKR
UniProt:	O00444
Intern. Prot. ID:	IPI00410344

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PLK4	O00444	S303	ASSSTSISGSLFDKR	100 / 9 AA	109
Phosphosite 1:	PLK4	O00444	S305	SSTSISGSLFDKRRL	100 / 7 AA	109
Phosphosite 2:	KDM4D	Q6B0I6	S141	PIYGADISGSLFDEN	66 / 9 AA	59
Phosphosite 3:	KDM4D	Q6B0I6	S143	YGADISGSLFDENTK	100 / 6 AA	59
Phosphosite 4:	SCN9A	Q15858	S542	SPLSIRGSLFSARRS	85 / 7 AA	226
Phosphosite 5:	SCN3A	Q9NY46	S565	SLLSIRGSLFSPRRN	85 / 7 AA	226
Phosphosite 6:	SCN2A	Q99250	S565	SLLSIRGSLFSPRRN	85 / 7 AA	228
Phosphosite 7:	SCN1A	P35498	S562	SLLSIRGSLFSPRRN	85 / 7 AA	229
Phosphosite 8:	C4orf21	Q86YA3	S761	DKSNTHISNSLFYPL	66 / 9 AA	119
Phosphosite 9:	PNLIP	P16233	S77	AADSSSISGSNFKTN	77 / 9 AA	51
Phosphosite 10:	JMJD2B	O94953	S138	PIYGADISGSLYDDD	55 / 9 AA	122
Phosphosite 11:	JMJD2B	O94953	S140	YGADISGSLYDDDVA	83 / 6 AA	122
Phosphosite 12:	NUP214	P35658	S1768	SSTPTSTSGSVFGAA	66 / 9 AA	214
Phosphosite 13:	MSSK1	Q9UPE1	S320	STSSSGFSGSLFSPA	66 / 9 AA	59
Phosphosite 14:	MLLT10	P55197	S276	STSNNSISGSLKRLE	75 / 8 AA	109
Phosphosite 15:	PLK4	O00444	S301	ITASSSTSISGSLFD	100 / 7 AA	109
Phosphosite 16:	PREX1	Q8TCU6	S323	RTKSINGSLYIFRGR	71 / 7 AA	186
Phosphosite 17:	NUP98	P52948	S146	PFGSTSGSLFGPSSF	85 / 7 AA	188
Phosphosite 18:	Putative zinc finger protein 852	Q6ZMS4	S24	SESSNSTSGGLFGVV	66 / 9 AA	56
Phosphosite 19:	RAB11FIP5	Q9BXF6	S359	VRHRSSISGSLPSSG	85 / 7 AA	70
Phosphosite 20:	C9orf82	Q9H8G2	S96	STDSSSVSGSLQQET	75 / 8 AA	38