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:	IL21
Human P-Site:	S117
P-Site Sequence:	KHRLTCPSCDSYEKK
UniProt:	Q9HBE4
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	IL21	Q9HBE4	S117	KHRLTCPSCDSYEKK	100 / 9 AA	18
Phosphosite 1:	IL21	Q9HBE4	T114	RRQKHRLTCPSCDSY	100 / 6 AA	18
Phosphosite 2:	IL21	Q9HBE4	S120	LTCPSCDSYEKKPPK	100 / 6 AA	18
Phosphosite 3:	ZEB1	P37275	Y174	SQLLTCPYCDRGYKR	75 / 8 AA	124
Phosphosite 4:	ZFHX1B	O60315	Y215	AQLLTCPYCDRGYKR	75 / 8 AA	136
Phosphosite 5:	SCUBE3	Q8IX30	S431	TCALTCPSRARFLPE	55 / 9 AA	109
Phosphosite 6:	PRAMEF16	Q5VWM1	S459	FGPIPCPSCGSWPSE	55 / 9 AA	55
Phosphosite 7:	PRAMEF17	Q5VTA0	S459	FGPIPCPSCGSWPSE	55 / 9 AA	55
Phosphosite 8:	HERC2P3	Q9BVR0	S552	ALRLIGPSCDSVEED	75 / 8 AA	129
Phosphosite 9:	BAZ2A	Q9UIF9	S1542	IRGWTCPSPDSTRED	75 / 8 AA	211
Phosphosite 10:	VWA5B1	Q5TIE3	S1119	PRHPSCDSFSLEPLA	83 / 6 AA	134
Phosphosite 11:	VWA5B1	Q5TIE3	S1116	SSPPRHPSCDSFSLE	83 / 6 AA	134
Phosphosite 12:	RNF11	Q9Y3C5	T135	DWLMRSFTCPSCMEP	83 / 6 AA	17
Phosphosite 13:	DTX2	Q86UW9	S471	DGSLQCPSCKTIYGE	55 / 9 AA	67
Phosphosite 14:	RECQL5	O94762	S790	EAEGACPSCEGVQGP	57 / 7 AA	109
Phosphosite 15:	ADCY9	O60503	S632	DNLKTCPSCGITFAP	83 / 6 AA	151
Phosphosite 16:	NACC1	Q96RE7	S127	FLKVSSPSCDSQGLH	62 / 8 AA	57
Phosphosite 17:	NOX5	Q96PH1	T613	RHQKRKHTCPSCQHS	100 / 5 AA	86
Phosphosite 18:	TRIM4	Q9C037	T11	EDIQEELTCPICLDY	83 / 6 AA	57
Phosphosite 19:	DPH3	Q96FX2	T47	ENGEDVATCPSCSLI	100 / 5 AA	9
Phosphosite 20:	ADCY9	O60503	T629	KTFDNLKTCPSCGIT	100 / 5 AA	151