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:	T286
P-Site Sequence:	RNAAVELTRRHIGRG
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	T286	RNAAVELTRRHIGRG	100 / 9 AA	48
Phosphosite 1:	Smad2	Q15796	T328	RNATVEMTRRHIGRG	77 / 9 AA	52
Phosphosite 2:	TMEM38A	Q9H6F2	S47	EPGAVELSRRHPIAS	87 / 8 AA	33
Phosphosite 3:	Smad5	Q99717	T326	RNSTIENTRRHIGKG	66 / 9 AA	52
Phosphosite 4:	SMAD1	Q15797	T326	RNSTIENTRRHIGKG	66 / 9 AA	52
Phosphosite 5:	Smad8	O15198	T328	RNSTIENTRRHIGKG	66 / 9 AA	52
Phosphosite 6:	ZNF546	Q86UE3	T765	FRLQAELTRHHIVHT	75 / 8 AA	98
Phosphosite 7:	ZFYVE20	Q9H1K0	S508	TEKAIELSRRQAEEE	62 / 8 AA	89
Phosphosite 8:	P4HA2	O15460	T230	LHRALELTRRLLSLD	66 / 9 AA	61
Phosphosite 9:	DUOX2	Q9NRD8	Y1038	YKRFVENYRRHIVCV	75 / 8 AA	175
Phosphosite 10:	SDAD1	Q9NVU7	Y188	LDVMIELYRRNIWND	62 / 8 AA	80
Phosphosite 11:	C6orf132	Q5T0Z8	S930	DAEGTELSRRHNWTK	62 / 8 AA	124
Phosphosite 12:	SDK1	Q7Z5N4	S2067	GFAALELSSRHLNVK	55 / 9 AA	242
Phosphosite 13:	MMRN1	Q13201	T696	NFIIKELTKRHNLLR	83 / 6 AA	138
Phosphosite 14:	SOBP	A7XYQ1	T624	RSEVVDLTRRAGSPP	83 / 6 AA	93
Phosphosite 15:	EIF2S1	P05198	S52	MILLSELSRRRIRSI	71 / 7 AA	36
Phosphosite 16:	C11orf63	Q6NUN7	S500	LNNLNELSKRHVLLS	57 / 7 AA	89
Phosphosite 17:	SPIN4	Q56A73	T36	RRKPTFLTRRNIVGC	83 / 6 AA	29
Phosphosite 18:	DUOX1	Q9NRD9	Y1041	FKRFIENYRRHIGCV	62 / 8 AA	177
Phosphosite 19:	MANEAL	Q5VSG8	T441	PSLYLELTRRWAEHF	71 / 7 AA	51
Phosphosite 20:	p40phox	Q15080	T274	LKDLLELTRREFQRE	62 / 8 AA	39