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:	SMAD3
Human P-Site:	T191
P-Site Sequence:	YLSEDGETSDHQMNH
UniProt:	P84022
Intern. Prot. ID:	IPI00024305

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	SMAD3	P84022	T191	YLSEDGETSDHQMNH	100 / 9 AA	48
Phosphosite 1:	SMAD3	P84022	S192	LSEDGETSDHQMNHS	100 / 8 AA	48
Phosphosite 2:	Smad2	Q15796	T232	YISEDGETSDQQLNQ	88 / 9 AA	52
Phosphosite 3:	KRI1	Q8N9T8	S147	ENSDGETSNHRLQET	75 / 8 AA	83
Phosphosite 4:	KRI1	Q8N9T8	T146	EENSDGETSNHRLQE	75 / 8 AA	83
Phosphosite 5:	MAP3K13	O43283	T863	SDGEEGNTSDHSNSP	75 / 8 AA	108
Phosphosite 6:	C6orf222	P0C671	S208	ARRGGEDSDHQSFLI	85 / 7 AA	72
Phosphosite 7:	UBP1	Q9NZI7	Y221	KQNENGEYTDHLHSA	62 / 8 AA	60
Phosphosite 8:	TNR	Q92752	S106	AEYMGQTSDHESQVT	71 / 7 AA	150
Phosphosite 9:	RELL2	Q8NC24	S290	QPSKPDTSDHQVSLP	83 / 6 AA	32
Phosphosite 10:	FRMPD4	Q14CM0	T1138	EGAPDGETSDGSGLG	100 / 6 AA	144
Phosphosite 11:	ZFP106	Q9H2Y7	S595	DESDGETSDTEKHGT	100 / 6 AA	209
Phosphosite 12:	RELL2	Q8NC24	T289	GQPSKPDTSDHQVSL	83 / 6 AA	32
Phosphosite 13:	FAM22F	A1L443	T435	PQEEDGITSDPGLLS	75 / 8 AA	81
Phosphosite 14:	DACT2	Q5SW24	S686	PETSEGESSDHTTNR	71 / 7 AA	83
Phosphosite 15:	ZFP106	Q9H2Y7	T594	EDESDGETSDTEKHG	100 / 6 AA	209
Phosphosite 16:	FRMPD4	Q14CM0	S1139	GAPDGETSDGSGLGQ	100 / 6 AA	144
Phosphosite 17:	DACT2	Q5SW24	S687	ETSEGESSDHTTNRF	71 / 7 AA	83
Phosphosite 18:	Bcr	P11274	S993	IPKEDGESTDRLMGK	62 / 8 AA	143
Phosphosite 19:	CASP8AP2	Q9UKL3	T1277	SSIEDAQTSQHATLK	62 / 8 AA	223
Phosphosite 20:	ZC3H13	Q5T200	T948	HQSEDRETSDRAHDE	75 / 8 AA	197