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:	Y371
P-Site Sequence:	SEERDRPYGLVSIDT
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	Y371	SEERDRPYGLVSIDT	100 / 9 AA	59
Phosphosite 1:	TMEM214	Q6NUQ4	Y171	QHTHDYPYSLVSREL	66 / 9 AA	77
Phosphosite 2:	ZNF650	Q6ZT12	T1251	PSSEDRPTGLVVLLQ	85 / 7 AA	84
Phosphosite 3:	ZNF528	Q3MIS6	Y409	IHTRERPYGCSQCGK	83 / 6 AA	72
Phosphosite 4:	TUBGCP3	Q96CW5	S316	DQRSLDRSFGLVGQS	71 / 7 AA	104
Phosphosite 5:	GPR98	Q8WXG9	Y1703	IKASDHPYGLLQFST	71 / 7 AA	693
Phosphosite 6:	ABCF3	Q9NUQ8	Y206	NLAWGRRYGLVGRNG	55 / 9 AA	80
Phosphosite 7:	TMEM214	Q6NUQ4	S172	HTHDYPYSLVSRELR	75 / 8 AA	77
Phosphosite 8:	PPWD1	Q96BP3	Y576	TLRHDRPYTLSMANA	71 / 7 AA	74
Phosphosite 9:	SARM1	Q6SZW1	Y503	PRFRQYTYGLVSCGL	66 / 9 AA	79
Phosphosite 10:	ELL	P55199	Y10	ALKEDRSYGLSCGRV	83 / 6 AA	68
Phosphosite 11:	ELL	P55199	S9	AALKEDRSYGLSCGR	83 / 6 AA	68
Phosphosite 12:	ATAD2B	Q9ULI0	Y284	GEENDRPYNLRQRKT	83 / 6 AA	165
Phosphosite 13:	LANCL2	Q9NS86	Y415	CRIPDRPYSLFEGMA	83 / 6 AA	51
Phosphosite 14:	LANCL2	Q9NS86	S416	RIPDRPYSLFEGMAG	83 / 6 AA	51
Phosphosite 15:	C3orf48	A8MPX8	Y407	VISSNEPYGLVEGQV	62 / 8 AA	72
Phosphosite 16:	EWS	Q01844	Y656	QERRDRPY_______	100 / 5 AA	68
Phosphosite 17:	CARD10	Q9BWT7	Y834	PERSLRPYSLVRPLL	83 / 6 AA	116
Phosphosite 18:	URP2	Q86UX7	Y504	SAEGLNPYGLVAPRF	83 / 6 AA	76
Phosphosite 19:	DSP	P15924	Y1947	DKLRQRPYGSHRETQ	83 / 6 AA	332
Phosphosite 20:	GZF1	Q9H116	Y435	THTGDRPYGCTECGA	100 / 5 AA	80