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:	SMAD1
Human P-Site:	S144
P-Site Sequence:	PVLVPRHSEYNPQHS
UniProt:	Q15797
Intern. Prot. ID:	IPI00019549

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	SMAD1	Q15797	S144	PVLVPRHSEYNPQHS	100 / 9 AA	52
Phosphosite 1:	Smad8	O15198	S148	PVLVPRHSEYNPQLS	100 / 9 AA	52
Phosphosite 2:	Smad8	O15198	Y150	LVPRHSEYNPQLSLL	100 / 7 AA	52
Phosphosite 3:	SMAD1	Q15797	Y146	LVPRHSEYNPQHSLL	100 / 7 AA	52
Phosphosite 4:	SLC5A7	Q9GZV3	S522	DAVVARHSEENMDKT	75 / 8 AA	63
Phosphosite 5:	RECK	O95980	Y328	EFDRFCEYNPVEVSM	71 / 7 AA	106
Phosphosite 6:	SMAD3	P84022	T144	PVLVPRHTEIPAEFP	71 / 7 AA	48
Phosphosite 7:	COL20A1	Q9P218	Y720	GLGRHTEYDVTILAY	66 / 6 AA	136
Phosphosite 8:	KLK4	Q9Y5K2	Y108	LSVRHPEYNRPLLAN	83 / 6 AA	27
Phosphosite 9:	DMD	P11532	S1316	LENLMRHSEDNPNQI	85 / 7 AA	427
Phosphosite 10:	GENX-3414	O95210	S210	WEMVPRHSSWGDVGV	62 / 8 AA	39
Phosphosite 11:	Myb	P10242	S8	MARRPRHSIYSSDED	62 / 8 AA	72
Phosphosite 12:	SLC35B2	Q8TB61	S335	TRFMGRHSEFAAHAL	44 / 9 AA	48
Phosphosite 13:	ANKRD17	O75179	S1950	PHMVPRHSNQNSSGS	66 / 9 AA	274
Phosphosite 14:	COL8A2	P25067	Y605	LYNGHSGYNPATGIF	83 / 6 AA	67
Phosphosite 15:	BTN3A1	O00481	Y329	RGERHSAYNEWKKAL	83 / 6 AA	58
Phosphosite 16:	BTN3A1	O00481	S327	ASRGERHSAYNEWKK	83 / 6 AA	58
Phosphosite 17:	HNRNPD	Q14103	S87	SNSSPRHSEAATAQR	100 / 5 AA	38
Phosphosite 18:	TTF2	Q9UNY4	S903	GSEEPRHSEAADSPR	100 / 5 AA	130
Phosphosite 19:	ZNF650	Q6ZT12	Y1504	LYSIDSEYNPWRKLT	83 / 6 AA	84
Phosphosite 20:	RP1L1	Q8IWN7	S668	PRGHPRHSHYRKDTH	83 / 6 AA	261