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:	S343
P-Site Sequence:	EPAELVESDGVPKPS
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	S343	EPAELVESDGVPKPS	100 / 9 AA	59
Phosphosite 1:	ANKRD45	Q5TZF3	S19	VFLELMESEGPPESE	66 / 9 AA	32
Phosphosite 2:	ZNF407	Q9C0G0	S2138	EHMDLVESDGEISQI	85 / 7 AA	247
Phosphosite 3:	A-Myb	P10243	S367	ETLELIESDPVAWSD	66 / 9 AA	86
Phosphosite 4:	TMCO7	Q9C0B7	S436	NTAELSESDMVPGTI	77 / 9 AA	121
Phosphosite 5:	C18orf25	Q96B23	S16	KVEELIESEAPPKAS	55 / 9 AA	43
Phosphosite 6:	HSPA14	Q0VDF9	S446	VCLELYESDGKNSAK	85 / 7 AA	55
Phosphosite 7:	PIG38	Q8TC92	T528	GTKELVETNGHSHED	71 / 7 AA	73
Phosphosite 8:	HSPA14	Q0VDF9	Y444	SSVCLELYESDGKNS	85 / 7 AA	55
Phosphosite 9:	ZC3H12C	Q9C0D7	S467	NEGGLVKSNSVPCST	62 / 8 AA	99
Phosphosite 10:	KIAA0947	Q9Y2F5	S546	PLNELMESEGKTVLS	71 / 7 AA	248
Phosphosite 11:	p57Kip2	P49918	S86	WTEVDSDSVPAFYRE	71 / 7 AA	32
Phosphosite 12:	FGD6	Q6ZV73	S286	KRSTLISSDGVSKKS	62 / 8 AA	161
Phosphosite 13:	LMAN1	P49257	S60	KGPHLVQSDGTVPFW	83 / 6 AA	58
Phosphosite 14:	p57Kip2	P49918	S84	LQWTEVDSDSVPAFY	71 / 7 AA	32
Phosphosite 15:	DOLK	Q9UPQ8	S218	RSLTLVESQGDPVDF	75 / 8 AA	59
Phosphosite 16:	LRRK1	Q38SD2	S1176	PALTATESDGTPLME	71 / 7 AA	228
Phosphosite 17:	UHRF1BP1L	A0JNW5	S1130	LEEQLLESDGSDSHM	71 / 7 AA	164
Phosphosite 18:	KA35	Q6A163	S197	SLRQLVESDANGLKQ	71 / 7 AA	56
Phosphosite 19:	DNHD1	Q96M86	S984	LNRSQVDSDDVPDKC	71 / 7 AA	113
Phosphosite 20:	KRTHA5	Q92764	S198	SLRQLVESDINGLRR	83 / 6 AA	50