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-1RA
Human P-Site:	S399
P-Site Sequence:	PKTVGEGSTSDCDIF
UniProt:	P14778
Intern. Prot. ID:	IPI00027508

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	IL-1RA	P14778	S399	PKTVGEGSTSDCDIF	100 / 9 AA	65
Phosphosite 1:	IRS1	P35568	S402	SSTSGHGSTSDCLFP	87 / 8 AA	132
Phosphosite 2:	INPPL1	O15357	S1038	HPRVGEGSSSDEESG	87 / 8 AA	139
Phosphosite 3:	IRS1	P35568	S404	TSGHGSTSDCLFPRR	85 / 7 AA	132
Phosphosite 4:	SCN10A	Q9Y5Y9	T1088	TSSSEGSTVDCLDPE	85 / 7 AA	221
Phosphosite 5:	SCN10A	Q9Y5Y9	S1087	DTSSSEGSTVDCLDP	85 / 7 AA	221
Phosphosite 6:	PHLDB3	Q6NSJ2	S63	EEEVGEGSSTESSRD	55 / 9 AA	32
Phosphosite 7:	ActR2B	Q13705	S490	RSVNGTTSDCLVSLV	71 / 7 AA	58
Phosphosite 8:	SEMA3D	O95025	S274	SSQEGSTSDKTILSR	100 / 6 AA	90
Phosphosite 9:	SEMA3D	O95025	S272	RESSQEGSTSDKTIL	100 / 6 AA	90
Phosphosite 10:	SCN10A	Q9Y5Y9	S470	KPRVSEGSTEDNKSP	75 / 8 AA	221
Phosphosite 11:	ActR2B	Q13705	T488	IRRSVNGTTSDCLVS	71 / 7 AA	58
Phosphosite 12:	CUX2	O14529	T1293	PLLPGGSTPDCPSLH	83 / 6 AA	154
Phosphosite 13:	CUX2	O14529	S1292	GPLLPGGSTPDCPSL	83 / 6 AA	154
Phosphosite 14:	INPPL1	O15357	S1039	PRVGEGSSSDEESGG	85 / 7 AA	139
Phosphosite 15:	VPS13C	Q709C8	S2697	THELAEGSTADVLHS	55 / 9 AA	422
Phosphosite 16:	RAB11FIP5	Q9BXF6	S40	GKSSGAGSTSDAYTV	85 / 7 AA	70
Phosphosite 17:	TNKS1BP1	Q9C0C2	S786	GQGAGEGSTREWASR	62 / 8 AA	182
Phosphosite 18:	GPLD1	P80108	S274	FMLENGTSDCNLPEN	71 / 7 AA	92
Phosphosite 19:	CCT2	P78371	T99	DDEVGDGTTSVTVLA	71 / 7 AA	57
Phosphosite 20:	TCP1	P17987	T90	DKEVGDGTTSVVIIA	71 / 7 AA	60