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:	S251
P-Site Sequence:	VGETFHASQPSMTVD
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	S251	VGETFHASQPSMTVD	100 / 9 AA	48
Phosphosite 1:	Smad2	Q15796	S293	VGETFHASQPSLTVD	88 / 9 AA	52
Phosphosite 2:	MAGE-D4	Q96JG8	S375	VPPTWRASQPSLTVR	66 / 9 AA	81
Phosphosite 3:	NPAS2	Q99743	S744	LHPSFPASQPSPLQP	75 / 8 AA	92
Phosphosite 4:	APOB	P04114	S3605	ALVQVHASQPSSFHD	100 / 6 AA	516
Phosphosite 5:	Uncharacterized protein FLJ76381	Q8NFD4	S60	WTLPAHASQPSPRTV	100 / 6 AA	17
Phosphosite 6:	PRAM1	Q96QH2	S25	IKAKFQASQPEPSDL	71 / 7 AA	79
Phosphosite 7:	SATB1	Q01826	S292	PAQLSHGSQPSVRTP	71 / 7 AA	86
Phosphosite 8:	FAM71F1	Q96KD3	S238	VQKKLQASQPSESLI	62 / 8 AA	39
Phosphosite 9:	TRIB1	Q96RU8	S287	GRYPFHDSDPSALFS	71 / 7 AA	41
Phosphosite 10:	PHKA1	P46020	S726	PTKLFQASRPSFNLL	62 / 8 AA	137
Phosphosite 11:	AHNAK2	Q8IVF2	S3270	TAPDVEVSQPSMEVD	83 / 6 AA	617
Phosphosite 12:	SATL1	Q86VE3	S208	QSGGSQPSMRQVGTS	83 / 6 AA	56
Phosphosite 13:	TFG	Q92734	S345	NYTVAPASQPGMAPS	83 / 6 AA	43
Phosphosite 14:	SATL1	Q86VE3	S205	DMRQSGGSQPSMRQV	83 / 6 AA	56
Phosphosite 15:	ROBO1	Q9Y6N7	S1435	GRRHFHASQCPRPTS	100 / 5 AA	181
Phosphosite 16:	Smad2	Q15796	T289	LNQRVGETFHASQPS	100 / 5 AA	52
Phosphosite 17:	SMAD3	P84022	T247	LNQRVGETFHASQPS	100 / 5 AA	48
Phosphosite 18:	SEC6L1	O60645	S537	GVSPSQPSMDGILDA	83 / 6 AA	87
Phosphosite 19:	Smad2	Q15796	S296	TFHASQPSLTVDGFT	83 / 6 AA	52
Phosphosite 20:	MAGE-D4	Q96JG8	S378	TWRASQPSLTVRAQL	83 / 6 AA	81