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:	Smad5
Human P-Site:	S463
P-Site Sequence:	SPLNPISSVS_____
UniProt:	Q99717
Intern. Prot. ID:	IPI00017730

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	Smad5	Q99717	S463	SPLNPISSVS_____	100 / 7 AA	52
Phosphosite 1:	SMAD1	Q15797	S463	SPHNPISSVS_____	100 / 7 AA	52
Phosphosite 2:	Smad8	O15198	S465	SPHNPISSVS_____	100 / 7 AA	52
Phosphosite 3:	SMAD1	Q15797	S462	GSPHNPISSVS____	100 / 7 AA	52
Phosphosite 4:	Smad8	O15198	S464	GSPHNPISSVS____	100 / 7 AA	52
Phosphosite 5:	Smad5	Q99717	S462	GSPLNPISSVS____	100 / 7 AA	52
Phosphosite 6:	CCT4	P50991	T476	AGLNPISTVTELRNR	71 / 7 AA	58
Phosphosite 7:	CCT4	P50991	S475	NAGLNPISTVTELRN	71 / 7 AA	58
Phosphosite 8:	SYT12	Q8IV01	S142	DSLNSISSVSNTFGQ	85 / 7 AA	47
Phosphosite 9:	SYT12	Q8IV01	S141	ADSLNSISSVSNTFG	85 / 7 AA	47
Phosphosite 10:	C6	P13671	S189	RKYNPIPSVQLMGNG	83 / 6 AA	105
Phosphosite 11:	NUFIP2	Q7Z417	S121	DEATNPISRVLNGNQ	83 / 6 AA	76
Phosphosite 12:	ZNF828	Q96JM3	S353	GPWKPIPSVSPGPWK	71 / 7 AA	89
Phosphosite 13:	ONECUT1	Q9UBC0	T117	QPLPPISTVSDKFPH	83 / 6 AA	51
Phosphosite 14:	ONECUT1	Q9UBC0	S116	LQPLPPISTVSDKFP	83 / 6 AA	51
Phosphosite 15:	AlphaK1	Q96L96	S703	TDSKPISSLSQAPEC	71 / 7 AA	201
Phosphosite 16:	C13orf23	Q86XN7	S677	LNGSNPLSSISLPPH	71 / 7 AA	96
Phosphosite 17:	C13orf23	Q86XN7	S678	NGSNPLSSISLPPHG	71 / 7 AA	96
Phosphosite 18:	RbBP6	Q7Z6E9	S1340	VKSTQPISSVGKPAS	83 / 6 AA	202
Phosphosite 19:	COL15A1	P39059	S1210	PPPNPISSANYEKPA	71 / 7 AA	142
Phosphosite 20:	piccolo	Q9Y6V0	S3959	MASSPISSISADSFY	71 / 7 AA	567