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:	S266
P-Site Sequence:	GFTDPSNSERFCLGL
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	S266	GFTDPSNSERFCLGL	100 / 9 AA	48
Phosphosite 1:	Smad2	Q15796	S308	GFTDPSNSERFCLGL	100 / 9 AA	52
Phosphosite 2:	PLEC1	Q15149	T4463	GGIIDPSTGERFPVT	75 / 8 AA	532
Phosphosite 3:	Smad2	Q15796	S306	VDGFTDPSNSERFCL	100 / 7 AA	52
Phosphosite 4:	SMAD3	P84022	S264	VDGFTDPSNSERFCL	100 / 7 AA	48
Phosphosite 5:	SCN7A	Q01118	S1092	YECIDPTSGERFPSS	62 / 8 AA	193
Phosphosite 6:	FTSJD2	Q8N1G2	S440	ITSRPANSERYVVCK	62 / 8 AA	95
Phosphosite 7:	PROL1	Q99935	S21	SCFTPSESQRFSRRP	62 / 8 AA	27
Phosphosite 8:	NKCC2	Q13621	T18	LDSVPSNTNRFQVSV	71 / 7 AA	121
Phosphosite 9:	CNOT3	O75175	S631	HMPHPSDSERIRQYL	71 / 7 AA	82
Phosphosite 10:	REST	Q13127	S510	DVHTGSNSEKFSKTK	71 / 7 AA	122
Phosphosite 11:	eIF4B	P23588	S131	VRLPREPSNPERLKG	71 / 7 AA	69
Phosphosite 12:	PHF16	Q92613	S684	VTQKDSSSEMFCDQE	71 / 7 AA	94
Phosphosite 13:	DNAI2	Q9GZS0	S64	MSEHEANSERFEMET	83 / 6 AA	69
Phosphosite 14:	FAM135A	Q9P2D6	S800	QGQGPCNSERLFPQL	62 / 8 AA	170
Phosphosite 15:	TBC1D18	Q5R372	S108	LQLILDPSNTEISTP	83 / 6 AA	92
Phosphosite 16:	ING2	Q9H160	S131	CFQDPAESERASDKA	71 / 7 AA	33
Phosphosite 17:	SHH	Q15465	S70	EGKISRNSERFKELT	100 / 5 AA	50
Phosphosite 18:	PDE9A	O76083	S71	DPTMPANSERTPYKV	83 / 6 AA	68
Phosphosite 19:	TBC1D18	Q5R372	T110	LILDPSNTEISTPRP	83 / 6 AA	92
Phosphosite 20:	SMYD2	Q9NRG4	S14	GGLERFCSPGKGRGL	100 / 4 AA	50