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:	S418
P-Site Sequence:	LTQMGSPSIRCSSVS
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	S418	LTQMGSPSIRCSSVS	100 / 9 AA	48
Phosphosite 1:	Smad2	Q15796	S460	LTQMGSPSVRCSSMS	88 / 9 AA	52
Phosphosite 2:	SMAD3	P84022	S416	KVLTQMGSPSIRCSS	100 / 7 AA	48
Phosphosite 3:	Smad2	Q15796	S458	KVLTQMGSPSVRCSS	85 / 7 AA	52
Phosphosite 4:	ZNF638	Q14966	S636	DSNLGGHSIRCKSKN	62 / 8 AA	221
Phosphosite 5:	FSD2	A1L4K1	S551	ALNMGGPSVRSEPAT	62 / 8 AA	85
Phosphosite 6:	BSDC1	Q9NW68	S166	ISELLVGSPSIRALY	85 / 7 AA	47
Phosphosite 7:	SMARCD3	Q6STE5	S53	PGSPYMGSPAVRPGL	71 / 7 AA	55
Phosphosite 8:	HIC1	Q14526	S353	GRERGSPSERCEERG	75 / 8 AA	76
Phosphosite 9:	RPTOR	Q8N122	S188	DLQTWMGSPSIFVYD	100 / 6 AA	149
Phosphosite 10:	KCP	Q6ZWJ8	S988	PQPEGPPSLRCHRRQ	71 / 7 AA	160
Phosphosite 11:	C20orf194	Q5TEA3	S26	GSSRGSPSVSCSRLR	75 / 8 AA	132
Phosphosite 12:	SIPA1L2	Q9P2F8	S1353	SHHSGSPSAHCSKSS	75 / 8 AA	190
Phosphosite 13:	EOMES	O95936	S657	SSNENSPSIKCEDIN	71 / 7 AA	73
Phosphosite 14:	IRS1	P35568	S920	VAFHSSPSVRCPSQL	71 / 7 AA	132
Phosphosite 15:	GHF1	P28069	S126	EEPIDMDSPEIRELE	71 / 7 AA	33
Phosphosite 16:	CLEC16A	Q2KHT3	S361	QRSSAKPSIRCFIKP	100 / 5 AA	118
Phosphosite 17:	CEP68	Q76N32	S435	GKHLDMGSPQLRTRD	71 / 7 AA	81
Phosphosite 18:	MAGEB5	Q9BZ81	S248	QDEEESPSQRCSRNW	75 / 8 AA	32
Phosphosite 19:	RUNX2	Q13950	S314	LSQMTSPSIHSTTPL	55 / 9 AA	57
Phosphosite 20:	WNT-12	O00744	S326	ERDPTMGSPGTRGRA	71 / 7 AA	43