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:	IL-21R
Human P-Site:	S497
P-Site Sequence:	FDSGFVGSDCSSPVE
UniProt:	Q9HBE5
Intern. Prot. ID:	IPI00034249

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	IL-21R	Q9HBE5	S497	FDSGFVGSDCSSPVE	100 / 9 AA	59
Phosphosite 1:	AKNA	Q7Z591	S929	TDSGFVGSETSRVSP	75 / 8 AA	155
Phosphosite 2:	Tiam1	Q13009	S368	TGRAFVGSDSGSSST	75 / 8 AA	178
Phosphosite 3:	SVEP1	Q4LDE5	S1756	VDECAVGSDCSEHAS	100 / 6 AA	390
Phosphosite 4:	ZC3H12C	Q9C0D7	S624	YRISSVASDCSSEGS	85 / 7 AA	99
Phosphosite 5:	DIAPH3	Q9NSV4	S99	NLKTAFASSDCSAAP	62 / 8 AA	137
Phosphosite 6:	DENND4A	Q7Z401	S935	EEKDKKGSDCSSLSE	100 / 6 AA	209
Phosphosite 7:	IFIH1	Q9BYX4	S200	LVQELTGSDCSESNA	71 / 7 AA	117
Phosphosite 8:	DENND4A	Q7Z401	S938	DKKGSDCSSLSESES	100 / 6 AA	209
Phosphosite 9:	SYBU	Q9NX95	S238	NSGSYKGSDCSPIMR	62 / 8 AA	72
Phosphosite 10:	UBQLNL	Q8IYU4	S154	ELAHFVGSDAPKVHT	71 / 7 AA	53
Phosphosite 11:	OSBPL11	Q9BXB4	S497	ESLTQVGSDCYTVRF	100 / 5 AA	84
Phosphosite 12:	MEGF6	O75095	S1156	CPPGFTGSGCEQACP	71 / 7 AA	161
Phosphosite 13:	WISP3	O95389	S283	KAEKFVFSGCSSTQS	75 / 8 AA	39
Phosphosite 14:	GPR39	O43194	S9	ASPSLPGSDCSQIID	71 / 7 AA	51
Phosphosite 15:	ZFHX4	Q86UP3	S1461	ASPVGSDSSSIPDDM	85 / 7 AA	394
Phosphosite 16:	LAMB4	A4D0S4	S779	HPQGSVGSSCSRLGG	75 / 8 AA	194
Phosphosite 17:	ZSCAN10	Q96SZ4	S470	DRRPFVCSDCGKAFR	83 / 6 AA	80
Phosphosite 18:	ZFHX4	Q86UP3	S1459	GKASPVGSDSSSIPD	85 / 7 AA	394
Phosphosite 19:	PAXIP1	Q6ZW49	S685	SVTGFVDSDRDDLKL	71 / 7 AA	118
Phosphosite 20:	EPS15	P42566	S628	QSDPFVGSDPFKDDP	100 / 5 AA	99