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:	S77
P-Site Sequence:	VEERVQKSFPHPIDK
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	S77	VEERVQKSFPHPIDK	100 / 9 AA	152
Phosphosite 1:	SOS2	Q07890	T77	VEERVQKTFPHPIDK	88 / 9 AA	153
Phosphosite 2:	KIAA1731	Q9C0D2	S1566	DSERTQKSFPTKSND	85 / 7 AA	295
Phosphosite 3:	PREX1	Q8TCU6	S1548	ELCRLMKSFVHPKPG	66 / 9 AA	186
Phosphosite 4:	CENPP	Q6IPU0	S38	EKSRVQKSFQAIHQF	85 / 7 AA	33
Phosphosite 5:	RNGTT	O60942	S534	MRQRTDKSFPNAYNT	55 / 9 AA	69
Phosphosite 6:	F8	P00451	S56	FPPRVPKSFPFNTSV	85 / 7 AA	267
Phosphosite 7:	KLK1	P06870	S95	QFVHVSESFPHPGFN	66 / 9 AA	29
Phosphosite 8:	PEX6	Q13608	T585	DLPADVQTAFPHELE	71 / 7 AA	104
Phosphosite 9:	MEGF11	A6BM72	Y42	AVTVQESYAHPFDQI	62 / 8 AA	111
Phosphosite 10:	SAP30L	Q9HAJ7	S54	FSKRVQKSISQKKLK	62 / 8 AA	21
Phosphosite 11:	ATP7B	P35670	Y953	DFGVVQRYFPNPNKH	62 / 8 AA	157
Phosphosite 12:	cIAP2	Q13489	S337	FIRQVQASYPHLLEQ	62 / 8 AA	68
Phosphosite 13:	PLEC1	Q15149	S2130	AEERVQKSLAAEEEA	71 / 7 AA	532
Phosphosite 14:	ZNF607	Q96SK3	S122	ECKQCQKSFSHLTEL	62 / 8 AA	81
Phosphosite 15:	KLK3	P07288	S95	QVFQVSHSFPHPLYD	66 / 9 AA	29
Phosphosite 16:	cIAP2	Q13489	Y338	IRQVQASYPHLLEQL	71 / 7 AA	68
Phosphosite 17:	POLH	Q9Y253	S662	FALELQKSFLQPHSS	62 / 8 AA	78
Phosphosite 18:	GPBP1	Q86WP2	S237	KENKVGTSFPHESTF	62 / 8 AA	53
Phosphosite 19:	OLFML2A	Q68BL7	S242	KYGSVQKSFADRGLP	71 / 7 AA	73
Phosphosite 20:	CCDC88C	Q9P219	S1023	EGQHLQNSFKHPAGK	55 / 9 AA	228