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:	Smad4
Human P-Site:	S232
P-Site Sequence:	PASILGGSHSEGLLQ
UniProt:	Q13485
Intern. Prot. ID:	IPI00013404

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	Smad4	Q13485	S232	PASILGGSHSEGLLQ	100 / 9 AA	60
Phosphosite 1:	KIAA1409	Q9P2D8	S210	PMAILGSSRREGVPA	66 / 9 AA	295
Phosphosite 2:	UBR7	Q8N806	S41	ACAVLGGSDSEKCSY	75 / 8 AA	48
Phosphosite 3:	HSPG2	P98160	S2527	IQQRLSGSHSQGVAY	75 / 8 AA	469
Phosphosite 4:	OVCH2	Q7RTZ1	S56	FSRILGGSQVEKGSY	75 / 8 AA	63
Phosphosite 5:	EPSTI1	Q96J88	S113	VPRRLGGSQSETEVR	85 / 7 AA	37
Phosphosite 6:	USP32	Q8NFA0	S1454	RGHVLGGSQPELVTP	62 / 8 AA	182
Phosphosite 7:	SPON1	Q9HCB6	S238	WSAIIGGSHSKNYVL	75 / 8 AA	91
Phosphosite 8:	LOC136288	Q8NEG2	S50	GLSNLGDSHSENLPG	85 / 7 AA	33
Phosphosite 9:	SLC3A2	P08195	S22	IPRQLPGSHSEAGVQ	75 / 8 AA	68
Phosphosite 10:	LAMA3	Q16787	S2890	QSLRLGGSNFEGCIS	75 / 8 AA	367
Phosphosite 11:	RGPR-p117	Q96JE7	S589	DHLVLLGSSHSQEFL	62 / 8 AA	117
Phosphosite 12:	FAM5B	Q9C0B6	S598	NPFGGSHSESWFMPV	100 / 6 AA	89
Phosphosite 13:	FAM5C	Q76B58	S581	NPFGGSHSESWFMPV	100 / 6 AA	88
Phosphosite 14:	SAPS2	O75170	S830	SSSGGSHSEDGDQKA	100 / 6 AA	105
Phosphosite 15:	SAPS2	O75170	S828	DSSSSGGSHSEDGDQ	100 / 6 AA	105
Phosphosite 16:	GCN1L1	Q92616	S157	LLEVLGGSHKHAVDG	83 / 6 AA	293
Phosphosite 17:	PRKD2	Q9BZL6	S353	DSGVIPGSHSENALH	62 / 8 AA	97
Phosphosite 18:	TLN2	Q9Y4G6	S229	RDDILNGSHPVSFEK	71 / 7 AA	272
Phosphosite 19:	TLN1	Q9Y490	S227	RDDILNGSHPVSFDK	71 / 7 AA	270
Phosphosite 20:	GRAMD3	Q96HH9	S26	KRESKLGSAHSEAEN	71 / 7 AA	48