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:	S358
P-Site Sequence:	FWPTAQNSGGSAYSE
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	S358	FWPTAQNSGGSAYSE	100 / 9 AA	59
Phosphosite 1:	LRIG3	Q6UXM1	S681	YSCTAQNSAGSISAN	87 / 8 AA	123
Phosphosite 2:	C1orf124	Q9H040	S444	STTTAQNSSSSSSQS	66 / 9 AA	55
Phosphosite 3:	EHMT2	Q96KQ7	S783	VDVNAQDSGGWTPII	62 / 8 AA	132
Phosphosite 4:	SVIL	O95425	S1433	VNLTEQNSNNSAVPY	66 / 9 AA	248
Phosphosite 5:	ERRFI1	Q9UJM3	S369	KALQRQNSEGSASKV	85 / 7 AA	51
Phosphosite 6:	PCSK6	P29122	T683	EDYTAQSTPGSANIL	66 / 9 AA	106
Phosphosite 7:	TCP10	Q12799	S231	SSRSPQNSGGRKSPV	71 / 7 AA	38
Phosphosite 8:	LETM2	Q2VYF4	S484	SQMTAQNSKASSKGA	75 / 8 AA	56
Phosphosite 9:	C5orf45	Q6NTE8	S168	CSRGVQDSGGSEVAW	62 / 8 AA	38
Phosphosite 10:	MAST1	Q9Y2H9	S346	VHLEEQDSGGSNTPE	71 / 7 AA	171
Phosphosite 11:	INADL	Q8NI35	S1629	ARTTSQNSQGSQQSA	75 / 8 AA	196
Phosphosite 12:	RGAG1	Q8NET4	S291	QPTSTQNSGGIPTPL	71 / 7 AA	144
Phosphosite 13:	MYCBP2	O75592	S2039	PVRTVQNSGYGPKLT	83 / 6 AA	510
Phosphosite 14:	DMP1	Q13316	S254	EQANTQDSGGSQLLE	71 / 7 AA	56
Phosphosite 15:	TTN	Q8WZ42	S22863	YILTVENSSGSKSAF	62 / 8 AA	3816
Phosphosite 16:	TCEB2	Q15370	S108	DVMKPQDSGSSANEQ	55 / 9 AA	13
Phosphosite 17:	Cbl-c	Q9ULV8	S413	GQATAEDSGNSSDQE	62 / 8 AA	52
Phosphosite 18:	LMO7	Q8WWI1	S68	ILRTEQNSGRTILIK	83 / 6 AA	193
Phosphosite 19:	XPB	P19447	S227	ISKTAESSGGPSTSR	71 / 7 AA	89
Phosphosite 20:	MYOCD	Q8IZQ8	S175	RSEDPQNSAGSPPDA	62 / 8 AA	102