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:	Sos1
Human P-Site:	S401
P-Site Sequence:	SLAKRRLSESACRFY
UniProt:	Q07889
Intern. Prot. ID:	IPI00020131

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	Sos1	Q07889	S401	SLAKRRLSESACRFY	100 / 9 AA	152
Phosphosite 1:	Sos1	Q07889	S403	AKRRLSESACRFYSQ	100 / 7 AA	152
Phosphosite 2:	GPR52	Q9Y2T5	S332	RLGLRRLSETMCTSC	75 / 8 AA	41
Phosphosite 3:	TTC4	O95801	S234	KARNIRLSEAACEDE	66 / 9 AA	45
Phosphosite 4:	COL18A1	P39060	T1702	DPNGRRLTESYCETW	75 / 8 AA	178
Phosphosite 5:	KIAA0678	O75165	S1079	PKVKRLLSDSTCLPH	66 / 9 AA	115
Phosphosite 6:	C2orf67	A0AUZ9	S714	GRKKRHLSETALGER	75 / 8 AA	112
Phosphosite 7:	TFAP2D	Q7Z6R9	S239	AEVKRRLSPPECLNA	66 / 9 AA	50
Phosphosite 8:	MSX1	P28360	S154	PPPARRLSPPACTLR	75 / 8 AA	31
Phosphosite 9:	MYST3	Q92794	S941	DLPKRRLSEGVEPWR	75 / 8 AA	225
Phosphosite 10:	HT008	Q8IWB9	S295	EDTKRRLSEVIYEPF	66 / 9 AA	125
Phosphosite 11:	FAM179A	Q6ZUX3	S134	KLKKRRLSEGLAASS	85 / 7 AA	111
Phosphosite 12:	KIAA1632	Q9HCE0	T1357	KEMKRRLTEVADFHH	75 / 8 AA	292
Phosphosite 13:	Zfp827	Q17R98	S481	VKGSPHLSDSACLGQ	62 / 8 AA	119
Phosphosite 14:	WRNIP1	Q96S55	S75	GAKRRRLSESSALKQ	75 / 8 AA	72
Phosphosite 15:	Zfp827	Q17R98	S483	GSPHLSDSACLGQQR	71 / 7 AA	119
Phosphosite 16:	Asxl3	Q9C0F0	S603	SDPEEQLSENACISE	71 / 7 AA	242
Phosphosite 17:	FAM44A	Q8NFC6	S635	SKPARRLSESLHVVD	100 / 6 AA	330
Phosphosite 18:	ZFP106	Q9H2Y7	S861	LARKRSLSESSVIMD	66 / 9 AA	209
Phosphosite 19:	RBM14	Q96PK6	S618	LSDYRRLSESQLSFR	100 / 6 AA	69
Phosphosite 20:	ZFP36L2	P47974	S438	FQLPRRLSDSPVFDA	62 / 8 AA	51