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:	S1299
P-Site Sequence:	VPPRQSTSQHIPKLP
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	S1299	VPPRQSTSQHIPKLP	100 / 9 AA	152
Phosphosite 1:	Sos1	Q07889	T1298	PVPPRQSTSQHIPKL	100 / 8 AA	152
Phosphosite 2:	Sos1	Q07889	S1297	PPVPPRQSTSQHIPK	100 / 7 AA	152
Phosphosite 3:	CLCN4	P51793	S395	PYTRQSTSELISELF	66 / 9 AA	85
Phosphosite 4:	CLCN4	P51793	T394	NPYTRQSTSELISEL	75 / 8 AA	85
Phosphosite 5:	KIAA0196	Q12768	S1112	STVEQCTSQKIPEIP	75 / 8 AA	134
Phosphosite 6:	ZZZ3	Q8IYH5	S474	PSAKESASQHITEEE	62 / 8 AA	102
Phosphosite 7:	SPATA3	Q8NHX4	S19	RRHRDSTSQHASSNS	85 / 7 AA	20
Phosphosite 8:	SPATA3	Q8NHX4	T18	ARRHRDSTSQHASSN	85 / 7 AA	20
Phosphosite 9:	SPATA3	Q8NHX4	S17	EARRHRDSTSQHASS	85 / 7 AA	20
Phosphosite 10:	VPS72	Q15906	T137	RKSMRQSTAEHTRQT	62 / 8 AA	41
Phosphosite 11:	VPS72	Q15906	S136	SRKSMRQSTAEHTRQ	71 / 7 AA	41
Phosphosite 12:	KIAA1875	A6NE52	S822	IHRRRATSQHLVPKE	62 / 8 AA	180
Phosphosite 13:	RNF43	Q68DV7	S425	LSHLQSTSQHPAACP	100 / 6 AA	86
Phosphosite 14:	SNAPC4	Q5SXM2	S578	LWVPARQSTSQPWRG	100 / 6 AA	159
Phosphosite 15:	KIAA1875	A6NE52	T821	LIHRRRATSQHLVPK	62 / 8 AA	180
Phosphosite 16:	SPIRE1	Q08AE8	S443	KENGLSTSQQVPAQR	71 / 7 AA	86
Phosphosite 17:	Nav3	Q8IVL0	S2333	STKEATTSKHIPQTD	71 / 7 AA	256
Phosphosite 18:	SNAPC4	Q5SXM2	T579	WVPARQSTSQPWRGG	100 / 6 AA	159
Phosphosite 19:	TTC28	Q96AY4	T2367	LKMFWQSTPQHSTGP	71 / 7 AA	271
Phosphosite 20:	RNF43	Q68DV7	S423	WGLSHLQSTSQHPAA	100 / 6 AA	86