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:	Y195
P-Site Sequence:	NRASTETYSTPALLA
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	Y195	NRASTETYSTPALLA	100 / 9 AA	60
Phosphosite 1:	Smad4	Q13485	S196	RASTETYSTPALLAP	100 / 8 AA	60
Phosphosite 2:	Smad4	Q13485	T194	SNRASTETYSTPALL	100 / 8 AA	60
Phosphosite 3:	Smad4	Q13485	T197	ASTETYSTPALLAPS	100 / 7 AA	60
Phosphosite 4:	OASL	Q15646	Y8	MALMQELYSTPASRL	85 / 7 AA	59
Phosphosite 5:	C13orf23	Q86XN7	T262	IQNQTFSTPASQLFS	71 / 7 AA	96
Phosphosite 6:	OASL	Q15646	T10	LMQELYSTPASRLDS	85 / 7 AA	59
Phosphosite 7:	C13orf23	Q86XN7	S261	PIQNQTFSTPASQLF	71 / 7 AA	96
Phosphosite 8:	OASL	Q15646	S9	ALMQELYSTPASRLD	85 / 7 AA	59
Phosphosite 9:	FLT1	P17948	S1185	GNSGFTYSTPAFSED	100 / 6 AA	151
Phosphosite 10:	FLT1	P17948	Y1184	TGNSGFTYSTPAFSE	100 / 6 AA	151
Phosphosite 11:	FLT1	P17948	T1186	NSGFTYSTPAFSEDF	100 / 6 AA	151
Phosphosite 12:	SHC3	Q92529	Y406	RQGSSDIYSTPEGKL	62 / 8 AA	64
Phosphosite 13:	Smad4	Q13485	T192	PPSNRASTETYSTPA	100 / 6 AA	60
Phosphosite 14:	EYS	Q5T1H1	Y1261	DPISTQTYTIPPSET	55 / 9 AA	351
Phosphosite 15:	PTPN22	Q9Y2R2	Y721	QAQSIETYSTSYPDT	75 / 8 AA	92
Phosphosite 16:	EPPK1	P58107	T1058	ALSSSSETFPTPDGQ	62 / 8 AA	553
Phosphosite 17:	AHCYL2	Q96HN2	Y156	SQSSTDSYSSAASYT	55 / 9 AA	67
Phosphosite 18:	AHCYL1	O43865	Y75	SQSSTDSYSSAASYT	55 / 9 AA	59
Phosphosite 19:	MAGI1	Q96QZ7	Y589	IVNGQETYDSPASHS	71 / 7 AA	165
Phosphosite 20:	MAGI1	Q96QZ7	S591	NGQETYDSPASHSSK	71 / 7 AA	165