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:	Smad5
Human P-Site:	S191
P-Site Sequence:	PFPLSPNSPYPPSPA
UniProt:	Q99717
Intern. Prot. ID:	IPI00017730

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	Smad5	Q99717	S191	PFPLSPNSPYPPSPA	100 / 9 AA	52
Phosphosite 1:	NF1	P21359	S2760	ESLLTPTSPYPPALQ	77 / 9 AA	319
Phosphosite 2:	IQSEC2	Q5JU85	S1419	QSPLSPHSPIPPHPS	77 / 9 AA	162
Phosphosite 3:	Smad5	Q99717	Y193	PLSPNSPYPPSPASS	100 / 7 AA	52
Phosphosite 4:	STARD9	Q9P2P6	S1604	PGQLSPDSHYPLEEE	75 / 8 AA	507
Phosphosite 5:	KIAA0100	Q14667	S998	VQELDPGSPFPPEGL	66 / 9 AA	254
Phosphosite 6:	Elk-3	P41970	S250	SPSLSPNSPLPSEHR	87 / 8 AA	44
Phosphosite 7:	PTPRS	Q13332	S396	IGGLSPNSEYEIWVS	85 / 7 AA	217
Phosphosite 8:	NF1	P21359	Y2762	LLTPTSPYPPALQSQ	85 / 7 AA	319
Phosphosite 9:	SMAD1	Q15797	S190	PFPHSPNSSYPNSPG	85 / 7 AA	52
Phosphosite 10:	SMAD1	Q15797	S191	FPHSPNSSYPNSPGS	85 / 7 AA	52
Phosphosite 11:	PTPN23	Q9H3S7	S996	PGLLPPQSPYPYAPQ	75 / 8 AA	179
Phosphosite 12:	MYO19	Q96H55	S685	CTSSGPDSPYPAKGL	71 / 7 AA	109
Phosphosite 13:	UTX	O15550	S926	PPPRPPSSPYPPLPK	85 / 7 AA	154
Phosphosite 14:	UTX	O15550	Y928	PRPPSSPYPPLPKDK	85 / 7 AA	154
Phosphosite 15:	UTY	O14607	Y875	PRPPTSPYPPLPKDK	85 / 7 AA	150
Phosphosite 16:	UTY	O14607	S873	PPPRPPTSPYPPLPK	85 / 7 AA	150
Phosphosite 17:	MYO19	Q96H55	Y687	SSGPDSPYPAKGLPE	83 / 6 AA	109
Phosphosite 18:	USP28	Q96RU2	S1053	PPTIRPNSPYDLCSR	71 / 7 AA	122
Phosphosite 19:	CBR3	O75828	S192	EREGWPNSPYGVSKL	83 / 6 AA	31
Phosphosite 20:	C12orf11	Q9NVM9	S626	IIKDSPDSPEPPNKK	75 / 8 AA	80