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:	S146
P-Site Sequence:	KMIHQHLSSRTHGSE
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	S146	KMIHQHLSSRTHGSE	100 / 9 AA	18
Phosphosite 1:	IL21	Q9HBE4	S147	MIHQHLSSRTHGSED	100 / 8 AA	18
Phosphosite 2:	FLJ40925	Q8N7K9	S335	LSPGAHLSSRTQSSP	85 / 7 AA	60
Phosphosite 3:	FLJ40925	Q8N7K9	S336	SPGAHLSSRTQSSPE	85 / 7 AA	60
Phosphosite 4:	FNDC1	Q4ZHG4	S773	SVSSHLSSRTQVSEG	85 / 7 AA	199
Phosphosite 5:	FNDC1	Q4ZHG4	S772	SSVSSHLSSRTQVSE	85 / 7 AA	199
Phosphosite 6:	ARF5	P84085	S150	LGLQHLRSRTWYVQA	75 / 8 AA	21
Phosphosite 7:	SLC2A4	P14672	S281	SLLQLLGSRTHRQPL	75 / 8 AA	55
Phosphosite 8:	KLHL8	Q9P2G9	S297	RNYHLHLSSRAVPDF	75 / 8 AA	69
Phosphosite 9:	ZNF385C	Q66K41	S311	QLKQHMSSRRHKDRL	75 / 8 AA	44
Phosphosite 10:	ZNF385C	Q66K41	S310	TQLKQHMSSRRHKDR	75 / 8 AA	44
Phosphosite 11:	KIF7	Q2M1P5	S214	ATHLNHLSSRSHTVF	85 / 7 AA	151
Phosphosite 12:	KIF7	Q2M1P5	S215	THLNHLSSRSHTVFT	85 / 7 AA	151
Phosphosite 13:	TNFAIP8L3	Q5GJ75	T242	ELVQRHLTPRTHGRI	55 / 9 AA	33
Phosphosite 14:	KIAA1549	Q9HCM3	S187	DAYSHLSSRTLPEIV	100 / 6 AA	203
Phosphosite 15:	KIAA1549	Q9HCM3	S186	TDAYSHLSSRTLPEI	100 / 6 AA	203
Phosphosite 16:	FLJ40925	Q8N7K9	S383	PDSGAQLSSRTQSSS	71 / 7 AA	60
Phosphosite 17:	ZNF385D	Q9H6B1	S288	QLKQHISSRRHKDRA	75 / 8 AA	42
Phosphosite 18:	ZNF385D	Q9H6B1	S287	TQLKQHISSRRHKDR	75 / 8 AA	42
Phosphosite 19:	ZNF385	Q96PM9	S261	VQLKQHISSRRHRDG	75 / 8 AA	38
Phosphosite 20:	ZNF385B	Q569K4	S369	QLKQHISSRRHKDRV	75 / 8 AA	50