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:	S1254
P-Site Sequence:	AFFPNSPSPFTPPPP
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	S1254	AFFPNSPSPFTPPPP	100 / 9 AA	152
Phosphosite 1:	Sos1	Q07889	S1252	GNAFFPNSPSPFTPP	100 / 7 AA	152
Phosphosite 2:	DENND1A	Q8TEH3	T809	PATPNVATPFTPQFS	66 / 9 AA	111
Phosphosite 3:	DEF	Q68CQ4	S273	SGPQKSSSPFTPLQK	66 / 9 AA	87
Phosphosite 4:	BRCA1	P38398	S1191	GELSRSPSPFTHTHL	100 / 6 AA	208
Phosphosite 5:	SPATA6	Q9NWH7	S219	SSKSHSPSPYTKRRM	71 / 7 AA	56
Phosphosite 6:	Wnk4	Q96J92	S841	PPCHPSPSPFSPISS	85 / 7 AA	135
Phosphosite 7:	Dicer1	Q9UPY3	S436	KPETNFPSPFTNILC	85 / 7 AA	219
Phosphosite 8:	LDB3	O75112	T427	PGANYSPTPYTPSPA	62 / 8 AA	77
Phosphosite 9:	NEB	P20929	T6350	NLGKATPTPFTPEME	71 / 7 AA	773
Phosphosite 10:	Sos1	Q07889	T1257	PNSPSPFTPPPPQTP	100 / 6 AA	152
Phosphosite 11:	GCLC	P48506	S215	FKDKNTPSPFIETFT	71 / 7 AA	73
Phosphosite 12:	CCDC87	Q9NVE4	S300	PTSRASPSPFCPELR	85 / 7 AA	96
Phosphosite 13:	TLR3	O15455	S500	KNVDSSPSPFQPLRN	75 / 8 AA	104
Phosphosite 14:	TELO2	Q9Y4R8	S639	TPQPGSPSPNTPCLP	77 / 9 AA	92
Phosphosite 15:	NEB	P20929	T6353	KATPTPFTPEMERVK	83 / 6 AA	773
Phosphosite 16:	SPATA6	Q9NWH7	Y221	KSHSPSPYTKRRMCE	83 / 6 AA	56
Phosphosite 17:	C1orf59	Q5T8I9	S329	EKAKIENSPTPFCVG	83 / 6 AA	45
Phosphosite 18:	NEK9	Q8TD19	S829	IPMPDSPSPLSAAFS	62 / 8 AA	107
Phosphosite 19:	HS3ST3B1	Q9Y662	S121	QSPEVPDSPSPISSF	71 / 7 AA	43
Phosphosite 20:	C1orf59	Q5T8I9	T331	AKIENSPTPFCVGDK	83 / 6 AA	45