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:	Y184
P-Site Sequence:	PETPPPGYLSEDGET
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	Y184	PETPPPGYLSEDGET	100 / 9 AA	48
Phosphosite 1:	Smad2	Q15796	Y225	PETPPPGYISEDGET	88 / 9 AA	52
Phosphosite 2:	CHAF1A	Q13111	Y640	GFFVPHGYLSEDEGV	87 / 8 AA	107
Phosphosite 3:	SMAD3	P84022	S186	TPPPGYLSEDGETSD	100 / 7 AA	48
Phosphosite 4:	SFMBT1	Q9UHJ3	Y351	HISPPPGYPSQDFDW	77 / 9 AA	98
Phosphosite 5:	C9orf50	Q5SZB4	Y356	STQKTQGYLSEDTSM	75 / 8 AA	48
Phosphosite 6:	C9orf50	Q5SZB4	S358	QKTQGYLSEDTSMNS	85 / 7 AA	48
Phosphosite 7:	Smad2	Q15796	S227	TPPPGYISEDGETSD	85 / 7 AA	52
Phosphosite 8:	NTF3	P20783	Y118	PLEPPPLYLMEDYVG	77 / 9 AA	29
Phosphosite 9:	TRIOBP	Q9H2D6	Y2105	DGHIPPGYISQEACE	62 / 8 AA	261
Phosphosite 10:	KIAA1409	Q9P2D8	Y340	GDKPPPLYLCEECSE	66 / 9 AA	295
Phosphosite 11:	CHAF1A	Q13111	S642	FVPHGYLSEDEGVTE	85 / 7 AA	107
Phosphosite 12:	QRICH2	Q9H0J4	Y952	PGYRGPGYLSADQHG	85 / 7 AA	181
Phosphosite 13:	ANKRD11	Q6UB99	Y933	KHKSVPGYLSEKDKK	85 / 7 AA	298
Phosphosite 14:	ANKRD11	Q6UB99	S935	KSVPGYLSEKDKKRR	100 / 6 AA	298
Phosphosite 15:	MEKK2	Q9Y2U5	Y169	RSSPPPGYIPDELHQ	55 / 9 AA	70
Phosphosite 16:	ZC3H14	Q6PJT7	Y531	GVPSPPGYMSDQEED	62 / 8 AA	83
Phosphosite 17:	MEKK3	Q99759	Y181	RSSPPPGYVPERQQH	75 / 8 AA	71
Phosphosite 18:	CTSD	P07339	S152	GSLSGYLSQDTVSVP	71 / 7 AA	45
Phosphosite 19:	FNDC3B	Q53EP0	Y85	PIHVPPGYISQVIED	71 / 7 AA	133
Phosphosite 20:	UPF1	Q92900	Y1008	PPMPPPGYFGQANGP	55 / 9 AA	124