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:	T256
P-Site Sequence:	HASQPSMTVDGFTDP
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	T256	HASQPSMTVDGFTDP	100 / 9 AA	48
Phosphosite 1:	Smad2	Q15796	T298	HASQPSLTVDGFTDP	88 / 9 AA	52
Phosphosite 2:	TRS85	Q9Y2L5	T851	GTIQGSMTVDGIGAL	77 / 9 AA	161
Phosphosite 3:	Smad2	Q15796	S296	TFHASQPSLTVDGFT	85 / 7 AA	52
Phosphosite 4:	ITIH2	P19823	T122	FISNFSMTVDGKTFR	100 / 6 AA	106
Phosphosite 5:	CPAMD8	Q8IZJ3	T122	FHNQTSVTVDGRGAS	75 / 8 AA	207
Phosphosite 6:	FBX38	Q6PIJ6	T332	VRIQPSLTKDGVFSA	75 / 8 AA	134
Phosphosite 7:	Elk-1	P19419	S411	QVHIPSISVDGLSTP	62 / 8 AA	45
Phosphosite 8:	RAPGEF2	Q9Y4G8	T1136	YTLAPSGTVDNFSDS	75 / 8 AA	167
Phosphosite 9:	FAM92B	Q6ZTR7	T166	TTLQLEETVDGFQRQ	66 / 9 AA	35
Phosphosite 10:	CLC-3	P51790	T676	VLTQDNMTVDDIENM	55 / 9 AA	85
Phosphosite 11:	SNRPN	P63162	T81	GENLVSMTVEGPPPK	83 / 6 AA	25
Phosphosite 12:	snRNP B1	P14678	T81	GENLVSMTVEGPPPK	83 / 6 AA	25
Phosphosite 13:	DLG2	Q15700	T408	ATRQPSMTLQRAVSL	71 / 7 AA	98
Phosphosite 14:	DLG2	Q15700	S406	STATRQPSMTLQRAV	71 / 7 AA	98
Phosphosite 15:	ROD1	O95758	T487	SNIPPSVTVDDLKNL	55 / 9 AA	60
Phosphosite 16:	MAGE-D4	Q96JG8	S378	TWRASQPSLTVRAQL	83 / 6 AA	81
Phosphosite 17:	ITSN1	Q15811	S878	DAWAAQPSLTVPSAG	83 / 6 AA	195
Phosphosite 18:	FLJ14262	Q9H7U1	T335	SPFSGTMTVDGNKNS	83 / 6 AA	94
Phosphosite 19:	MAGE-D4	Q96JG8	T380	RASQPSLTVRAQLAP	83 / 6 AA	81
Phosphosite 20:	KBTBD2	Q8IY47	T491	GIRLPSGTVDGSSVT	85 / 7 AA	71