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:	Y146
P-Site Sequence:	LVPRHSEYNPQHSLL
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	Y146	LVPRHSEYNPQHSLL	100 / 9 AA	52
Phosphosite 1:	Smad8	O15198	Y150	LVPRHSEYNPQLSLL	100 / 8 AA	52
Phosphosite 2:	SMAD1	Q15797	S144	PVLVPRHSEYNPQHS	100 / 7 AA	52
Phosphosite 3:	Smad8	O15198	S148	PVLVPRHSEYNPQLS	100 / 7 AA	52
Phosphosite 4:	RECK	O95980	Y328	EFDRFCEYNPVEVSM	71 / 7 AA	106
Phosphosite 5:	USP31	Q70CQ4	T203	ALWTLEYTPQHSRDF	83 / 6 AA	147
Phosphosite 6:	USP31	Q70CQ4	Y202	RALWTLEYTPQHSRD	83 / 6 AA	147
Phosphosite 7:	KLK4	Q9Y5K2	Y108	LSVRHPEYNRPLLAN	83 / 6 AA	27
Phosphosite 8:	DMD	P11532	S1316	LENLMRHSEDNPNQI	85 / 7 AA	427
Phosphosite 9:	COL20A1	Q9P218	Y720	GLGRHTEYDVTILAY	66 / 6 AA	136
Phosphosite 10:	PPARD	Q03181	Y168	TANEGSQYNPQVADL	83 / 6 AA	50
Phosphosite 11:	COL8A2	P25067	Y605	LYNGHSGYNPATGIF	83 / 6 AA	67
Phosphosite 12:	ZNF862	O60290	Y1078	NGVAVTEYDPQPAIQ	66 / 6 AA	132
Phosphosite 13:	BTN3A1	O00481	Y329	RGERHSAYNEWKKAL	83 / 6 AA	58
Phosphosite 14:	BTN3A1	O00481	S327	ASRGERHSAYNEWKK	83 / 6 AA	58
Phosphosite 15:	ZNF650	Q6ZT12	Y1504	LYSIDSEYNPWRKLT	83 / 6 AA	84
Phosphosite 16:	PIGW	Q7Z7B1	Y125	NISLESEYNPAISCF	100 / 5 AA	57
Phosphosite 17:	COL8A2	P25067	S603	RTLYNGHSGYNPATG	83 / 6 AA	67
Phosphosite 18:	C10orf76	Q5T2E6	Y255	IAQALSEYNRQYKDK	71 / 7 AA	79
Phosphosite 19:	DNAH9	Q9NYC9	Y3545	IGDKECEYNPKFRLI	44 / 9 AA	512
Phosphosite 20:	PIWIL1	Q96J94	Y471	QGGKTFDYNPQFADW	66 / 6 AA	99