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:	S309
P-Site Sequence:	EVFAECLSDSAIFVQ
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	S309	EVFAECLSDSAIFVQ	100 / 9 AA	48
Phosphosite 1:	LPIN2	Q92539	S460	DSGTECLSDSAMDLP	77 / 9 AA	99
Phosphosite 2:	Smad5	Q99717	S351	YAECLSDSSIFVQSR	85 / 7 AA	52
Phosphosite 3:	SMAD1	Q15797	S351	YAECLSDSSIFVQSR	85 / 7 AA	52
Phosphosite 4:	LPIN2	Q92539	S462	GTECLSDSAMDLPDV	85 / 7 AA	99
Phosphosite 5:	TAF1	P21675	S307	PPPEQCLSDDEITMM	55 / 9 AA	213
Phosphosite 6:	NOX5	Q96PH1	S157	LQSCLRESAISLPDE	71 / 7 AA	86
Phosphosite 7:	TRAP1	Q12931	S575	SPAAECLSEKETEEL	83 / 6 AA	80
Phosphosite 8:	Rab3GAP1	Q15042	S590	EEFFECLSDTEELKG	71 / 7 AA	111
Phosphosite 9:	MFN1	Q8IWA4	S329	QIFEECISQSAVKTK	62 / 8 AA	84
Phosphosite 10:	MFN2	O95140	S350	RRFEECISQSAVKTK	62 / 8 AA	86
Phosphosite 11:	SNX32	Q86XE0	S352	CQRFERLSDSAKQEL	85 / 7 AA	46
Phosphosite 12:	C12orf69	A2RU48	S30	QQLLDCLSDSFDVTN	83 / 6 AA	25
Phosphosite 13:	PLA2G4E	Q3MJ16	S278	SQPLDCLSDGQVMTL	50 / 8 AA	96
Phosphosite 14:	PRICKLE1	Q96MT3	S525	EDSLECLSDLKPEQS	100 / 5 AA	94
Phosphosite 15:	C16orf50	Q8IY82	S778	RLKDECLSDFKQRLI	100 / 5 AA	104
Phosphosite 16:	LRPPRC	P42704	S502	LQENGCLSDSDMFSQ	71 / 7 AA	158
Phosphosite 17:	ARMC9	Q7Z3E5	S472	LKDPDCLSDYTLEYS	44 / 9 AA	92
Phosphosite 18:	ZFYVE9	O95405	S1327	DDQHNCLSDPADHSR	71 / 7 AA	156
Phosphosite 19:	HEATR2	Q86Y56	S86	PRLLRCLSDPAEGCR	83 / 6 AA	94
Phosphosite 20:	LRPPRC	P42704	S504	ENGCLSDSDMFSQAG	71 / 7 AA	158