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:	S476
P-Site Sequence:	SPGGVSESEAGSPLA
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	S476	SPGGVSESEAGSPLA	100 / 9 AA	59
Phosphosite 1:	ZIK1	Q3SY52	S90	VSVGVSQSKAGSSTQ	77 / 9 AA	55
Phosphosite 2:	IL-21R	Q9HBE5	S474	GRSPGGVSESEAGSP	100 / 7 AA	59
Phosphosite 3:	ALMS1	Q8TCU4	S2467	EEEGVSESEDGGGSS	87 / 8 AA	461
Phosphosite 4:	YTHDF2	Q9Y5A9	S374	DGNGVGQSQAGSGST	66 / 9 AA	62
Phosphosite 5:	PGA3	P00790	T168	QIFGLSETEPGSFLY	66 / 9 AA	42
Phosphosite 6:	PCNT	O95613	S1766	VVHEVSDSQAGSLQS	75 / 8 AA	378
Phosphosite 7:	PBXIP1	Q96AQ6	S220	FSGGLSESETGPMEE	66 / 9 AA	81
Phosphosite 8:	HIRIP3	Q9BW71	S372	LEREVSDSEAGGGPQ	85 / 7 AA	62
Phosphosite 9:	LRIG2	O94898	S872	PQEGYSNSEAGSHQQ	77 / 9 AA	117
Phosphosite 10:	AUP1	Q9Y679	S117	TCSTVSESEAESATG	87 / 8 AA	53
Phosphosite 11:	SYNJ2	O15056	S1034	NQPGVSDSELGGDDL	75 / 8 AA	166
Phosphosite 12:	ALPPL2	P10696	S431	ARPDVTESESGSPEY	75 / 8 AA	57
Phosphosite 13:	ALPP	P05187	S434	ARPDVTESESGSPEY	75 / 8 AA	58
Phosphosite 14:	PPHLN1	Q8NEY8	Y255	NLPEISEYEAGSTAP	75 / 8 AA	53
Phosphosite 15:	ALPI	P09923	S431	VRPDVNESESGSPDY	75 / 8 AA	57
Phosphosite 16:	UTP14A	Q9BVJ6	S405	ELEAHGVSESEGEER	100 / 6 AA	88
Phosphosite 17:	NPHP3	Q7Z494	S785	SHNGVSESELMELYP	100 / 6 AA	151
Phosphosite 18:	C12orf50	Q8NA57	S215	IFLGVDESEALTEEK	85 / 7 AA	47
Phosphosite 19:	PPAN	Q9NQ55	S238	LATGAGLSESEAEPD	85 / 7 AA	53
Phosphosite 20:	PPAN	Q9NQ55	S240	TGAGLSESEAEPDGD	85 / 7 AA	53