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:	T656
P-Site Sequence:	EIPEPEPTEADRIAI
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	T656	EIPEPEPTEADRIAI	100 / 9 AA	152
Phosphosite 1:	SOS2	Q07890	T654	EIPEPEPTDADKLAI	77 / 9 AA	153
Phosphosite 2:	EPB41	P11171	T611	EQAEPEPTEAWKVEK	100 / 7 AA	97
Phosphosite 3:	METT10D	Q86W50	T463	QEENPEPTEDERSEE	75 / 8 AA	64
Phosphosite 4:	BLOC1S3	Q6QNY0	T74	PEPEPEPTAAPRDLP	77 / 9 AA	21
Phosphosite 5:	FBX38	Q6PIJ6	T742	GSSEPSPTEVDVSRQ	75 / 8 AA	134
Phosphosite 6:	SRRM2	Q9UQ35	T2599	EGRPPEPTPAKRKRR	75 / 8 AA	300
Phosphosite 7:	ARFGEF1	Q9Y6D6	T296	SSAENEQTEADQATA	66 / 9 AA	209
Phosphosite 8:	EIF2S2	P20042	T49	KEVEPEPTEDKDLEA	100 / 6 AA	38
Phosphosite 9:	IF2BL	A6NK07	T49	KEVEPEPTEDKDLEA	100 / 6 AA	38
Phosphosite 10:	GTF2E1	P29083	T209	EILEPEPTEIPALKQ	100 / 6 AA	49
Phosphosite 11:	SORBS1	Q9BX66	S107	PGLEPEPSSADEWRL	75 / 8 AA	142
Phosphosite 12:	MAF	O75444	T39	VKKEPVETDRIISQC	71 / 7 AA	42
Phosphosite 13:	C16orf73	Q8N635	T430	SCKLADPTEASRNLS	62 / 8 AA	49
Phosphosite 14:	FLJ20272	Q6P3X3	T14	AILRGFPTEAERQQW	83 / 6 AA	97
Phosphosite 15:	CASKIN1	Q8WXD9	T640	SPPPPEPTPADCQSP	75 / 8 AA	150
Phosphosite 16:	BCAS1	O75363	T489	TPPEPEPTGAPQKGK	85 / 7 AA	62
Phosphosite 17:	MAST4	O15021	T2432	PGPQKPPTEADKPNG	83 / 6 AA	284
Phosphosite 18:	SLC2A4RG	Q9NR83	T333	ARLEPQPTEVGACPP	62 / 8 AA	41
Phosphosite 19:	SEC63D1	A2PYH4	T778	EGVNFKPTEAGRLMA	83 / 6 AA	163
Phosphosite 20:	NUMB	P49757	S438	AGHRRTPSEADRWLE	83 / 6 AA	71