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:	S546
P-Site Sequence:	PVQRRSPSSKHQLLS
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	S546	PVQRRSPSSKHQLLS	100 / 9 AA	65
Phosphosite 1:	IL-1RA	P14778	S547	VQRRSPSSKHQLLSP	100 / 8 AA	65
Phosphosite 2:	IL-1RA	P14778	S544	HMPVQRRSPSSKHQL	100 / 7 AA	65
Phosphosite 3:	ARL17A	Q8IVW1	S93	KGARSPGSTHQGSLA	75 / 8 AA	19
Phosphosite 4:	DOT1L	Q8TEK3	S1061	GSAKQSPSSKHSPLT	75 / 8 AA	185
Phosphosite 5:	LBR	Q14739	S99	KSARRSASASHQADI	66 / 9 AA	71
Phosphosite 6:	AKAP5	P24588	S94	TRRKRSESSKQQKPL	66 / 9 AA	47
Phosphosite 7:	KATNB1	Q9BVA0	S362	ESERRSPSSEDDRDE	66 / 9 AA	72
Phosphosite 8:	SLAIN1	Q8ND83	S366	RECRRSPSSQYFPSN	75 / 8 AA	61
Phosphosite 9:	EXPH5	Q8NEV8	S912	VFSRRSPSDKDPSLG	75 / 8 AA	223
Phosphosite 10:	USP31	Q70CQ4	S1028	STTKRSPSSKGTSEP	85 / 7 AA	147
Phosphosite 11:	USP31	Q70CQ4	S1026	PESTTKRSPSSKGTS	85 / 7 AA	147
Phosphosite 12:	BC060632	Q765P7	T567	GVATIRRTPSTKPTV	71 / 7 AA	80
Phosphosite 13:	AKAP5	P24588	S95	RRKRSESSKQQKPLE	75 / 8 AA	47
Phosphosite 14:	RNPS1	Q15287	S157	ERKRRSPSPKPTKVH	75 / 8 AA	34
Phosphosite 15:	MAP1A	P78559	S2090	SCSPDRRSPSPKESG	85 / 7 AA	306
Phosphosite 16:	PHRF1	Q9P1Y6	S1168	RRSRSPSSEHRAREH	85 / 7 AA	179
Phosphosite 17:	DOT1L	Q8TEK3	S1062	SAKQSPSSKHSPLTA	85 / 7 AA	185
Phosphosite 18:	MAP1A	P78559	S2092	SPDRRSPSPKESGRS	85 / 7 AA	306
Phosphosite 19:	ZNF521	Q96K83	S92	SWPASSPSSKDQTSP	85 / 7 AA	148
Phosphosite 20:	Putative protein OK/SW-CL.16	Q8NI70	T116	AKSPRSPTPKHIRIT	71 / 7 AA	15