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:	S462
P-Site Sequence:	GSPHNPISSVS____
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	S462	GSPHNPISSVS____	100 / 8 AA	52
Phosphosite 1:	Smad8	O15198	S464	GSPHNPISSVS____	100 / 8 AA	52
Phosphosite 2:	Smad5	Q99717	S463	SPLNPISSVS_____	100 / 7 AA	52
Phosphosite 3:	SMAD1	Q15797	S463	SPHNPISSVS_____	100 / 7 AA	52
Phosphosite 4:	Smad8	O15198	S465	SPHNPISSVS_____	100 / 7 AA	52
Phosphosite 5:	Smad5	Q99717	S462	GSPLNPISSVS____	100 / 7 AA	52
Phosphosite 6:	PIAS2	O75928	S542	PFHHTPISSMSSDLP	75 / 8 AA	68
Phosphosite 7:	PRELP	P51888	S304	HLSHNRISSVPAINN	85 / 7 AA	44
Phosphosite 8:	CCT4	P50991	T476	AGLNPISTVTELRNR	71 / 7 AA	58
Phosphosite 9:	CCT4	P50991	S475	NAGLNPISTVTELRN	71 / 7 AA	58
Phosphosite 10:	NDN	Q99608	S316	PTAHYPRSSVSED__	75 / 8 AA	36
Phosphosite 11:	SLA/LP	Q9HD40	S372	HTPHNPISLAMTLKT	100 / 5 AA	56
Phosphosite 12:	RASSF8	Q8NHQ8	S409	RILQNPISSGFNPEG	83 / 6 AA	48
Phosphosite 13:	SYT12	Q8IV01	S142	DSLNSISSVSNTFGQ	85 / 7 AA	47
Phosphosite 14:	SYT12	Q8IV01	S141	ADSLNSISSVSNTFG	85 / 7 AA	47
Phosphosite 15:	Adrenergic receptor-alpha1B	P35368	S277	AKGHNPRSSIAVKLF	62 / 8 AA	57
Phosphosite 16:	C6	P13671	S189	RKYNPIPSVQLMGNG	83 / 6 AA	105
Phosphosite 17:	MYST3	Q92794	S1484	SEHNSPISSVQSHPS	71 / 7 AA	225
Phosphosite 18:	NUFIP2	Q7Z417	S121	DEATNPISRVLNGNQ	83 / 6 AA	76
Phosphosite 19:	LRRC53	A6NM62	S94	LLEHNQISSSSLTDH	75 / 8 AA	141
Phosphosite 20:	CNTN5	O94779	S699	SPAADNHSPISSYNL	83 / 6 AA	121