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:	S462
P-Site Sequence:	GSPLNPISSVS____
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	S462	GSPLNPISSVS____	100 / 8 AA	52
Phosphosite 1:	CCT4	P50991	S475	NAGLNPISTVTELRN	75 / 8 AA	58
Phosphosite 2:	Smad5	Q99717	S463	SPLNPISSVS_____	100 / 7 AA	52
Phosphosite 3:	SMAD1	Q15797	S463	SPHNPISSVS_____	100 / 7 AA	52
Phosphosite 4:	Smad8	O15198	S465	SPHNPISSVS_____	100 / 7 AA	52
Phosphosite 5:	SMAD1	Q15797	S462	GSPHNPISSVS____	100 / 7 AA	52
Phosphosite 6:	Smad8	O15198	S464	GSPHNPISSVS____	100 / 7 AA	52
Phosphosite 7:	SYT12	Q8IV01	S141	ADSLNSISSVSNTFG	87 / 8 AA	47
Phosphosite 8:	NCOA2	Q15596	S399	GKPLNPISSNSPAHQ	87 / 8 AA	159
Phosphosite 9:	SYT12	Q8IV01	S139	QSADSLNSISSVSNT	85 / 7 AA	47
Phosphosite 10:	Vax2	Q9UIW0	S233	SPRLNPLSSASASPP	75 / 8 AA	31
Phosphosite 11:	ONECUT1	Q9UBC0	S116	LQPLPPISTVSDKFP	75 / 8 AA	51
Phosphosite 12:	CCT4	P50991	T476	AGLNPISTVTELRNR	71 / 7 AA	58
Phosphosite 13:	Ets-1	P14921	S192	YQTLHPISSEELLSL	83 / 6 AA	50
Phosphosite 14:	CPEB3	Q8NE35	S290	PSPLNPISPLKKPFS	71 / 7 AA	76
Phosphosite 15:	Nav3	Q8IVL0	T905	STDDLNTTSSVSSYS	75 / 8 AA	256
Phosphosite 16:	SYT12	Q8IV01	S142	DSLNSISSVSNTFGQ	85 / 7 AA	47
Phosphosite 17:	Nav3	Q8IVL0	S906	TDDLNTTSSVSSYSN	75 / 8 AA	256
Phosphosite 18:	C6	P13671	S189	RKYNPIPSVQLMGNG	83 / 6 AA	105
Phosphosite 19:	NUFIP2	Q7Z417	S121	DEATNPISRVLNGNQ	83 / 6 AA	76
Phosphosite 20:	CACNA1E	Q15878	S815	LNPLNPLSSLNPLNA	62 / 8 AA	262