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:	T171
P-Site Sequence:	PHMPLNATFPDSFQQ
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	T171	PHMPLNATFPDSFQQ	100 / 9 AA	52
Phosphosite 1:	Smad8	O15198	T176	PLMPHNATYPDSFQQ	77 / 9 AA	52
Phosphosite 2:	ELF4	Q99607	S468	ASFPLNASFQDSQVA	77 / 9 AA	71
Phosphosite 3:	Smad8	O15198	Y177	LMPHNATYPDSFQQP	85 / 7 AA	52
Phosphosite 4:	GRTP1	Q5TC63	T118	IRTDLNRTFPDNVKF	75 / 8 AA	39
Phosphosite 5:	SLC22A24	Q8N4F4	T104	QLLHLNGTFPNTNEP	55 / 9 AA	36
Phosphosite 6:	SLC22A9	Q8IVM8	T104	QLLHLNGTFPNTSDA	55 / 9 AA	62
Phosphosite 7:	SLC22A25	Q6T423	T104	KLIHLNGTFPNTSEP	55 / 9 AA	61
Phosphosite 8:	PDE4B	Q07343	T123	AGLVLHATFPGHSQR	71 / 7 AA	83
Phosphosite 9:	GDA	Q9Y2T3	T176	VCMDLNDTFPEYKET	71 / 7 AA	51
Phosphosite 10:	C5orf4	Q96IV6	S324	GFTPLSESIPDSPKR	55 / 9 AA	39
Phosphosite 11:	NPAS4	Q8IUM7	T476	QLTPSSATFPDPLTS	75 / 8 AA	87
Phosphosite 12:	PTPRG	P23470	S930	ATQGPLKSTFEDFWR	62 / 8 AA	162
Phosphosite 13:	GREB1L	Q9C091	T1046	GKDPLGETFPRSLKY	66 / 9 AA	214
Phosphosite 14:	ZNF469	Q96JG9	T1792	GAPPLDATWPFGASP	71 / 7 AA	259
Phosphosite 15:	PTPRG	P23470	T931	TQGPLKSTFEDFWRM	62 / 8 AA	162
Phosphosite 16:	IQCA1	Q86XH1	T314	ECRNLTGTFPDYPDV	71 / 7 AA	95
Phosphosite 17:	SPATA16	Q9BXB7	S448	RSTQLNGSFPASSGV	55 / 9 AA	65
Phosphosite 18:	C15orf53	Q8NAA6	T172	LSDPLGVTFPTQTRP	71 / 7 AA	20
Phosphosite 19:	ABCA13	Q86UQ4	T227	DWLPLNQTFSQVSEL	62 / 8 AA	576
Phosphosite 20:	TBC1D2	Q9BYX2	T677	IELDLNRTFPNNKHF	62 / 8 AA	104