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:	SOS2
Human P-Site:	Y913
P-Site Sequence:	SQDHFKKYLVKLKSI
UniProt:	Q07890
Intern. Prot. ID:	IPI00020134

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	SOS2	Q07890	Y913	SQDHFKKYLVKLKSI	100 / 9 AA	153
Phosphosite 1:	Sos1	Q07889	Y915	SEDHYKKYLAKLRSI	77 / 9 AA	152
Phosphosite 2:	XRN1	Q8IZH2	Y339	NLPRFEKYLVKLSDF	77 / 9 AA	194
Phosphosite 3:	HOXB2	P14652	Y167	KEFHFNKYLCRPRRV	62 / 8 AA	38
Phosphosite 4:	HOXA2	O43364	Y167	KEFHFNKYLCRPRRV	62 / 8 AA	41
Phosphosite 5:	HOXD1	Q9GZZ0	Y253	KEFHFNKYLTRARRI	62 / 8 AA	34
Phosphosite 6:	HOXA1	P49639	Y253	KEFHFNKYLTRARRV	62 / 8 AA	37
Phosphosite 7:	TNNT1	P13805	Y164	MGAHFGGYLVKAEQK	75 / 8 AA	33
Phosphosite 8:	HOXD3	P31249	Y218	KEFHFNRYLCRPRRV	50 / 8 AA	46
Phosphosite 9:	HOXB3	P14651	Y212	KEFHFNRYLCRPRRV	50 / 8 AA	44
Phosphosite 10:	HOXA3	O43365	Y215	KEFHFNRYLCRPRRV	50 / 8 AA	46
Phosphosite 11:	HOXB1	P14653	Y227	KEFHFNKYLSRARRV	62 / 8 AA	32
Phosphosite 12:	HOXC5	Q00444	Y179	KEFHFNRYLTRRRRI	50 / 8 AA	25
Phosphosite 13:	HOXA4	Q00056	Y239	KEFHFNRYLTRRRRI	50 / 8 AA	34
Phosphosite 14:	HOXA7	P31268	Y154	KEFHFNRYLTRRRRI	50 / 8 AA	25
Phosphosite 15:	HOXA6	P31267	Y179	KEFHFNRYLTRRRRI	50 / 8 AA	26
Phosphosite 16:	HOXA5	P20719	Y219	KEFHFNRYLTRRRRI	50 / 8 AA	29
Phosphosite 17:	HOXC6	P09630	Y165	KEFHFNRYLTRRRRI	50 / 8 AA	27
Phosphosite 18:	HOXB5	P09067	Y218	KEFHFNRYLTRRRRI	50 / 8 AA	29
Phosphosite 19:	HOXD4	P09016	Y178	KEFHFNRYLTRRRRI	50 / 8 AA	28
Phosphosite 20:	RBM44	Q6ZP01	Y853	LRSHFQKYQVSEISI	71 / 7 AA	118