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:	T73
P-Site Sequence:	AHPSKCVTIQRTLDG
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	T73	AHPSKCVTIQRTLDG	100 / 9 AA	60
Phosphosite 1:	Smad5	Q99717	T67	GQPSKCVTIPRSLDG	77 / 9 AA	52
Phosphosite 2:	Smad8	O15198	T70	GQPSKCVTIPRSLDG	77 / 9 AA	52
Phosphosite 3:	SMAD1	Q15797	T66	GQPSNCVTIPRSLDG	66 / 9 AA	52
Phosphosite 4:	SMAD3	P84022	T66	NVNTKCITIPRSLDG	55 / 9 AA	48
Phosphosite 5:	PHIP	Q8WWQ0	T190	LSSVYCVTFDRTGRR	71 / 7 AA	207
Phosphosite 6:	USP36	Q9P275	T316	VPASKRFTIHRTSNV	66 / 9 AA	123
Phosphosite 7:	ARMC9	Q7Z3E5	T57	FRDSKSLTIQKDLVA	62 / 8 AA	92
Phosphosite 8:	CDX4	O14627	T199	FHCNRYITIQRKSEL	50 / 8 AA	30
Phosphosite 9:	WHRN	Q9P202	T845	QPLPRIVTIQRGGSA	62 / 8 AA	97
Phosphosite 10:	GPAM	Q9HCL2	T545	QLLGNCVTITHTSRN	55 / 9 AA	94
Phosphosite 11:	VANGL1	Q8TAA9	T47	RGSEKSVTIQPPTGE	71 / 7 AA	60
Phosphosite 12:	SPATS2	Q86XZ4	S114	PDSSKSVSIQEEQSA	71 / 7 AA	60
Phosphosite 13:	SPATS2	Q86XZ4	S112	GIPDSSKSVSIQEEQ	71 / 7 AA	60
Phosphosite 14:	GOLGA4	Q13439	S746	IIKEHEVSIQRTEKA	83 / 6 AA	261
Phosphosite 15:	TMED3	Q9Y3Q3	T146	QMESACVTIHEALKT	71 / 7 AA	25
Phosphosite 16:	AKAP13	Q12802	S1904	QSVSLSKSVSIQNIT	71 / 7 AA	308
Phosphosite 17:	VANGL1	Q8TAA9	S45	DGRGSEKSVTIQPPT	83 / 6 AA	60
Phosphosite 18:	SLA2	Q9H6Q3	T209	KDIPLPVTVQRTPLN	83 / 6 AA	29
Phosphosite 19:	ARMC9	Q7Z3E5	S55	GSFRDSKSLTIQKDL	71 / 7 AA	92
Phosphosite 20:	VANGL2	Q9ULK5	S43	DGGRGDKSVTIQAPG	83 / 6 AA	60