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:	SMAD3
Human P-Site:	S416
P-Site Sequence:	KVLTQMGSPSIRCSS
UniProt:	P84022
Intern. Prot. ID:	IPI00024305

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	SMAD3	P84022	S416	KVLTQMGSPSIRCSS	100 / 9 AA	48
Phosphosite 1:	Smad2	Q15796	S458	KVLTQMGSPSVRCSS	88 / 9 AA	52
Phosphosite 2:	SMAD3	P84022	S418	LTQMGSPSIRCSSVS	100 / 7 AA	48
Phosphosite 3:	Smad2	Q15796	S460	LTQMGSPSVRCSSMS	85 / 7 AA	52
Phosphosite 4:	RPTOR	Q8N122	S188	DLQTWMGSPSIFVYD	87 / 8 AA	149
Phosphosite 5:	RUNX2	Q13950	S312	SYLSQMTSPSIHSTT	66 / 9 AA	57
Phosphosite 6:	SMAD1	Q15797	S456	KVLTQMGSPHNPISS	100 / 6 AA	52
Phosphosite 7:	Smad8	O15198	S458	KVLTQMGSPHNPISS	100 / 6 AA	52
Phosphosite 8:	Smad5	Q99717	S456	KVLTQMGSPLNPISS	100 / 6 AA	52
Phosphosite 9:	BSDC1	Q9NW68	S166	ISELLVGSPSIRALY	85 / 7 AA	47
Phosphosite 10:	SMARCD3	Q6STE5	S53	PGSPYMGSPAVRPGL	71 / 7 AA	55
Phosphosite 11:	FSD2	A1L4K1	S551	ALNMGGPSVRSEPAT	71 / 7 AA	85
Phosphosite 12:	POPDC3	Q9HBV1	T270	PNFYQMSTPEIRRSP	62 / 8 AA	34
Phosphosite 13:	GHF1	P28069	S126	EEPIDMDSPEIRELE	55 / 9 AA	33
Phosphosite 14:	TBC1D14	Q9P2M4	S688	SREMEKGSPSLRH__	62 / 8 AA	77
Phosphosite 15:	BCL9L	Q86UU0	S926	ISINQMGSPGMGHLK	62 / 8 AA	157
Phosphosite 16:	PSD4	Q8NDX1	S118	VELTHLGSPSAQREH	55 / 9 AA	116
Phosphosite 17:	KIAA1486	Q9P242	S233	SSLSQMGSPAGDPEE	71 / 7 AA	71
Phosphosite 18:	CEP68	Q76N32	S435	GKHLDMGSPQLRTRD	62 / 8 AA	81
Phosphosite 19:	WNT-12	O00744	S326	ERDPTMGSPGTRGRA	71 / 7 AA	43
Phosphosite 20:	KIAA1009	Q5TB80	S904	KAESGNPSIRQKIRL	83 / 6 AA	162