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:	T1263
P-Site Sequence:	FTPPPPQTPSPHGTR
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	T1263	FTPPPPQTPSPHGTR	100 / 9 AA	152
Phosphosite 1:	Sos1	Q07889	S1265	PPPPQTPSPHGTRRH	100 / 7 AA	152
Phosphosite 2:	LOC149950	Q5W150	T107	RQIPPPQTPSTDPQT	100 / 7 AA	15
Phosphosite 3:	BTBD12	Q8IY92	T1320	PQTPPPQTPSSCLTP	100 / 7 AA	200
Phosphosite 4:	EP300	Q09472	T2344	PHHVSPQTSSPHPGL	85 / 7 AA	264
Phosphosite 5:	SRCAP	Q6ZRS2	T353	GPSSPSQTPSSHDSD	66 / 9 AA	344
Phosphosite 6:	EP300	Q09472	S2346	HVSPQTSSPHPGLVA	85 / 7 AA	264
Phosphosite 7:	EP300	Q09472	S2345	HHVSPQTSSPHPGLV	85 / 7 AA	264
Phosphosite 8:	IRF2BP2	Q7Z5L9	T404	FVSPPPPTASPHSNR	77 / 9 AA	61
Phosphosite 9:	E2F4	Q16254	T14	QAPPPPGTPSRHEKS	77 / 9 AA	44
Phosphosite 10:	Hpk1	Q92918	T445	RPGPPPSTSSPHLTA	77 / 9 AA	91
Phosphosite 11:	Putative viral protein-binding protein C1	Q6Q795	T101	MTLPVPQTPLPHVTQ	77 / 9 AA	13
Phosphosite 12:	CREBBP	Q92793	T2380	PHHVSPQTGSPHPGL	85 / 7 AA	265
Phosphosite 13:	TOX4	O94842	T313	DPAPPSQTPSPPPMA	87 / 8 AA	66
Phosphosite 14:	CLCA1	A8K7I4	T874	PPQTPPETPSPDETS	75 / 8 AA	100
Phosphosite 15:	ARID2	Q68CP9	S689	SRIPQNPSPHTHQQQ	85 / 7 AA	197
Phosphosite 16:	CREBBP	Q92793	S2382	HVSPQTGSPHPGLAV	85 / 7 AA	265
Phosphosite 17:	SYNPO2L	Q9H987	S95	ADEGPVQSPSPHELQ	75 / 8 AA	102
Phosphosite 18:	PML	P29590	T28	PTMPPPETPSEGRQP	85 / 7 AA	98
Phosphosite 19:	LOC73072	Q9H6K5	T75	LTTPPPETPSSIATP	85 / 7 AA	60
Phosphosite 20:	ITIH5L	Q6UXX5	T876	ISLSKPETPNPHMPQ	71 / 7 AA	143