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:	S187
P-Site Sequence:	NSHPFPHSPNSSYPN
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	S187	NSHPFPHSPNSSYPN	100 / 9 AA	52
Phosphosite 1:	Smad5	Q99717	S188	NNTPFPLSPNSPYPP	87 / 8 AA	52
Phosphosite 2:	SMAD1	Q15797	S206	SSSTYPHSPTSSDPG	75 / 8 AA	52
Phosphosite 3:	ZNF41	P51814	S269	NGNNFPHSPSSTKNE	75 / 8 AA	94
Phosphosite 4:	Dlx3	O60479	S198	GEVPLEHSPNNSDSM	66 / 9 AA	32
Phosphosite 5:	PHF16	Q92613	S566	ETDQQPHSPDSSSSV	85 / 7 AA	94
Phosphosite 6:	PIAS2	O75928	T539	YSVPFHHTPISSMSS	66 / 9 AA	68
Phosphosite 7:	C15orf42	Q7Z2Z1	S1215	PNCTWPHSVNSSPES	75 / 8 AA	211
Phosphosite 8:	CHOP	P35638	S82	STSQSPHSPDSSQSS	85 / 7 AA	19
Phosphosite 9:	ACBD6	Q9BR61	S33	GEVEFPHSPEIEETS	83 / 6 AA	31
Phosphosite 10:	TRAPPC10	P48553	S667	ETAPFPVSQNSLPAL	75 / 8 AA	142
Phosphosite 11:	USP9X	Q93008	S2495	DAPLYPHSPGSQYQQ	71 / 7 AA	290
Phosphosite 12:	SHROOM2	Q13796	S422	SDVRFPQSPHSGRHP	62 / 8 AA	176
Phosphosite 13:	WRNIP1	Q96S55	S413	PTDPLSHSSNSSSEP	66 / 9 AA	72
Phosphosite 14:	OTOG	Q6ZRI0	T1576	SLLAIPHTPESSSLP	55 / 9 AA	315
Phosphosite 15:	FHOD3	Q2V2M9	S529	CLAPLSHSPSSSDSQ	66 / 9 AA	159
Phosphosite 16:	ANKS6	Q68DC2	S634	NSGNFNHSPHSSGGS	75 / 8 AA	92
Phosphosite 17:	Egr1	P18146	S26	PFGSFPHSPTMDNYP	83 / 6 AA	58
Phosphosite 18:	Smad8	O15198	S209	CTASYPHSPGSPSEP	71 / 7 AA	52
Phosphosite 19:	USP19	O94966	S474	MVPPMPHSPVSGDSV	66 / 9 AA	146
Phosphosite 20:	PABPNL1	A6NDY0	S251	RGAPFPHSGLQGRPR	100 / 5 AA	30