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:	IGSF21
Human P-Site:	S290
P-Site Sequence:	PTYFLRHSRTPSSDG
UniProt:	Q96ID5
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	IGSF21	Q96ID5	S290	PTYFLRHSRTPSSDG	100 / 9 AA	52
Phosphosite 1:	IGSF21	Q96ID5	T292	YFLRHSRTPSSDGTV	100 / 7 AA	52
Phosphosite 2:	ZCCHC2	Q9C0B9	S803	PSTFLPHSSTPALHL	66 / 9 AA	126
Phosphosite 3:	FIGLA	Q6QHK4	S98	LVPFLPQSRKPSKVD	66 / 9 AA	24
Phosphosite 4:	CSNK1D	P48730	S318	REERLRHSRNPATRG	75 / 8 AA	47
Phosphosite 5:	LTK	P29376	S605	MKSFLRHSRPHLGQP	100 / 6 AA	92
Phosphosite 6:	TSPYL3	Q9H489	S232	EVRELRHSRTGCKFK	75 / 8 AA	40
Phosphosite 7:	SMARCAL1	Q9NZC9	S557	ESHFLKNSRTARCRA	62 / 8 AA	106
Phosphosite 8:	C12orf56	Q8IXR9	S575	LKSCLRHSRTLAEYI	100 / 6 AA	71
Phosphosite 9:	C19orf50	Q9BQD3	T67	SERFLHHTRTLVEMK	71 / 7 AA	20
Phosphosite 10:	SMCR5	Q8TEV8	S66	PPAAADHSRTPSLLA	100 / 6 AA	15
Phosphosite 11:	SON	P18583	S2020	SPVRLRRSRTPLRRR	85 / 7 AA	264
Phosphosite 12:	SMCR5	Q8TEV8	T68	AAADHSRTPSLLASS	100 / 6 AA	15
Phosphosite 13:	KCNH3	Q9ULD8	S516	ARRFLYHSRTRDLRD	85 / 7 AA	117
Phosphosite 14:	SFRS16	Q8N2M8	S645	ERQYSRQSRSPSPRY	55 / 9 AA	77
Phosphosite 15:	C19orf15	Q6ZRH7	S1132	SMPSLRHSRMGSMFS	75 / 8 AA	133
Phosphosite 16:	KCNH3	Q9ULD8	Y514	MYARRFLYHSRTRDL	85 / 7 AA	117
Phosphosite 17:	C11orf82	Q8IXT1	S745	SLSDSRHSRTCSPTP	85 / 7 AA	112
Phosphosite 18:	SON	P18583	S1992	SRTPSRRSRTPSRRR	85 / 7 AA	264
Phosphosite 19:	SON	P18583	S1964	SRTPSRRSRTPSRRS	85 / 7 AA	264
Phosphosite 20:	SON	P18583	S1957	SISPSRRSRTPSRRS	85 / 7 AA	264