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:	S421
P-Site Sequence:	GENEERYSPTDNNAN
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	S421	GENEERYSPTDNNAN	100 / 9 AA	109
Phosphosite 1:	PLK4	O00444	Y420	GGENEERYSPTDNNA	100 / 8 AA	109
Phosphosite 2:	WDR33	Q9C0J8	S211	AIREASFSPTDNKFA	66 / 9 AA	146
Phosphosite 3:	Geminin coiled-coil domain-containing protein 1	A6NCL1	S156	KSKEQRYSPAEIPHP	62 / 8 AA	38
Phosphosite 4:	INVS	Q9Y283	T526	ENNEERYTPLDYALL	75 / 8 AA	118
Phosphosite 5:	SAPAP2	Q9P1A6	S74	HFNEERYSPAPRSMK	85 / 7 AA	118
Phosphosite 6:	SLCO1C1	Q9NYB5	S142	QYKYERYSPSSNSTL	75 / 8 AA	79
Phosphosite 7:	DEAF-1	O75398	S236	KQGENWYSPTEFEAM	62 / 8 AA	59
Phosphosite 8:	Transmembrane protein FLJ37396	Q8N1W0	S453	SGRVDRYSPTALVLA	83 / 6 AA	67
Phosphosite 9:	CDK12	Q9NYV4	T914	LLGEERYTPAIDVWS	71 / 7 AA	164
Phosphosite 10:	CDK13	Q14004	T892	LLGEERYTPAIDVWS	71 / 7 AA	165
Phosphosite 11:	Transmembrane protein FLJ37396	Q8N1W0	Y452	DSGRVDRYSPTALVL	83 / 6 AA	67
Phosphosite 12:	CCNL1	Q9UK58	S65	LIPEERLSPTPSMQD	85 / 7 AA	60
Phosphosite 13:	NR4A3	Q92570	Y419	RDLDYSRYCPTDQAA	83 / 6 AA	68
Phosphosite 14:	CNP	P09543	S318	PSDVDKLSPTDNLPR	62 / 8 AA	48
Phosphosite 15:	UNC5D	Q6UXZ4	T796	AFSLERYTPTTTQLS	83 / 6 AA	105
Phosphosite 16:	NR1H4	Q96RI1	Y91	PQQPEEWYSPGIYEL	83 / 6 AA	56
Phosphosite 17:	NR1H4	Q96RI1	S92	QQPEEWYSPGIYELR	83 / 6 AA	56
Phosphosite 18:	UNC5D	Q6UXZ4	Y795	CAFSLERYTPTTTQL	83 / 6 AA	105
Phosphosite 19:	CBFA2T3	O75081	S328	LNPAQRYSPSNGPPQ	50 / 8 AA	71
Phosphosite 20:	BCLAF1	Q9NYF8	S285	GNGSSRYSPSQNSPI	71 / 7 AA	106