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:	Smad6
Human P-Site:	Y279
P-Site Sequence:	PESPPPPYSRLSPRD
UniProt:	O43541
Intern. Prot. ID:	IPI00012869

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	Smad6	O43541	Y279	PESPPPPYSRLSPRD	100 / 9 AA	53
Phosphosite 1:	Smad6	O43541	S280	ESPPPPYSRLSPRDE	100 / 8 AA	53
Phosphosite 2:	ATN1	P54259	Y448	GPPPPPPYGRLLANS	87 / 8 AA	125
Phosphosite 3:	Smad7	O15105	Y211	LESPPPPYSRYPMDF	100 / 7 AA	46
Phosphosite 4:	LIPI	Q6XZB0	Y195	RFSRKPPYSRLDYTD	100 / 6 AA	53
Phosphosite 5:	LIPI	Q6XZB0	S196	FSRKPPYSRLDYTDA	100 / 6 AA	53
Phosphosite 6:	RC3H1	Q5TC82	Y738	SYLREPPYSRLPPPP	100 / 6 AA	126
Phosphosite 7:	RC3H1	Q5TC82	S739	YLREPPYSRLPPPPQ	100 / 6 AA	126
Phosphosite 8:	C9orf41	Q8N4J0	T11	RRRPPPPTSRLPEGC	87 / 8 AA	47
Phosphosite 9:	ZNF438	Q7Z4V0	Y297	GKLPIPPYSRMKTME	75 / 8 AA	92
Phosphosite 10:	PTCH1	Q13635	Y645	RYSPPPPYSSHSFAH	77 / 9 AA	161
Phosphosite 11:	PRDM4	Q9UKN5	Y97	YTLPPPPYPHLESSY	75 / 8 AA	88
Phosphosite 12:	KIAA0774	Q5JR59	S842	GLRPPGYSRLPAAKL	85 / 7 AA	150
Phosphosite 13:	ZNF438	Q7Z4V0	S298	KLPIPPYSRMKTMEV	83 / 6 AA	92
Phosphosite 14:	TMEM55B	Q86T03	Y68	PGEDPPPYSPLTSPD	75 / 8 AA	29
Phosphosite 15:	PRRG2	O14669	Y195	HDAPPPPYTSLRRPH	75 / 8 AA	22
Phosphosite 16:	NDFIP1	Q9BT67	Y42	AGDAPPPYSSISAES	75 / 8 AA	25
Phosphosite 17:	NDFIP1	Q9BT67	S43	GDAPPPYSSISAESA	75 / 8 AA	25
Phosphosite 18:	KIAA0774	Q5JR59	Y841	SGLRPPGYSRLPAAK	85 / 7 AA	150
Phosphosite 19:	TMEM55B	Q86T03	S69	GEDPPPYSPLTSPDS	75 / 8 AA	29
Phosphosite 20:	Smad7	O15105	S212	ESPPPPYSRYPMDFL	100 / 6 AA	46