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:	S174
P-Site Sequence:	PAGIEPQSNIPETPP
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	S174	PAGIEPQSNIPETPP	100 / 9 AA	48
Phosphosite 1:	MED26	O95402	S23	LQAIDPQSNIRNMVA	66 / 9 AA	65
Phosphosite 2:	EXOC6	Q8TAG9	S322	RLVLQPQSNMHETVD	55 / 9 AA	94
Phosphosite 3:	ZNF83	P51522	S23	QLGLNPQSHLPELQL	55 / 9 AA	60
Phosphosite 4:	C1orf14	Q9BZQ2	S394	VELIEYQSNIKEDPS	77 / 9 AA	81
Phosphosite 5:	Smad2	Q15796	S214	PAGIEPQSNYIPETP	100 / 6 AA	52
Phosphosite 6:	ZNF385C	Q66K41	S143	GAPGEPQSKVPAAPP	71 / 7 AA	44
Phosphosite 7:	CLUAP1	Q96AJ1	T50	VKRYEPQTDIPPDVD	71 / 7 AA	48
Phosphosite 8:	TCF20	Q9UGU0	S851	KFEIEPQSSAHEPGG	66 / 9 AA	212
Phosphosite 9:	WDR65	Q96MR6	S330	RIPVDPQSNDPSQSD	62 / 8 AA	78
Phosphosite 10:	TLR3	O15455	T666	NWINETHTNIPELSS	62 / 8 AA	104
Phosphosite 11:	HTR2b	P41595	T13	RVSELQSTIPEHILQ	75 / 8 AA	54
Phosphosite 12:	HTR2b	P41595	S12	YRVSELQSTIPEHIL	75 / 8 AA	54
Phosphosite 13:	DHX35	Q9H5Z1	S417	AFDKLPQSTVPEMQR	71 / 7 AA	79
Phosphosite 14:	EFTUD1	Q7Z2Z2	S726	HQMKEDQSKIPEGIQ	75 / 8 AA	125
Phosphosite 15:	ANKRD12	Q6UB98	S1439	RDFICPNSNIPDQES	66 / 9 AA	236
Phosphosite 16:	MATN3	O15232	S184	EAGAREPSSNIPKVA	85 / 7 AA	53
Phosphosite 17:	NASP	P49321	T396	QTPIEPQTSIERLTE	71 / 7 AA	85
Phosphosite 18:	MATN3	O15232	S185	AGAREPSSNIPKVAI	85 / 7 AA	53
Phosphosite 19:	HGK	O95819	S913	PTNTRPQSDTPEIRK	71 / 7 AA	142
Phosphosite 20:	PTPRU	Q92729	S1171	MIRIDPQSNSSQLRE	83 / 6 AA	160