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:	Y424
P-Site Sequence:	VKGWGAEYHRQDVTS
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	Y424	VKGWGAEYHRQDVTS	100 / 9 AA	52
Phosphosite 1:	Smad5	Q99717	Y424	VKGWGAEYHRQDVTS	100 / 9 AA	52
Phosphosite 2:	Smad8	O15198	Y426	VKGWGAEYHRQDVTS	100 / 9 AA	52
Phosphosite 3:	Smad2	Q15796	Y426	VKGWGAEYRRQTVTS	87 / 8 AA	52
Phosphosite 4:	SMAD3	P84022	Y384	VKGWGAEYRRQTVTS	87 / 8 AA	48
Phosphosite 5:	Smad4	Q13485	Y513	VKGWGPDYPRQSIKE	62 / 8 AA	60
Phosphosite 6:	eEF2K	O00418	Y198	AKLWGEEYNRHKPPK	62 / 8 AA	82
Phosphosite 7:	HEXDC	Q8WVB3	Y397	VTGWFSPYHRQRKLI	62 / 8 AA	54
Phosphosite 8:	ECAT1	Q587J8	Y109	MIMNLADYHRQLQAK	83 / 6 AA	24
Phosphosite 9:	ST7	Q9NRC1	Y148	NLFRGAEYNRYTWVT	71 / 7 AA	67
Phosphosite 10:	MFSD5	Q6N075	Y226	LRNWGENYDRQRAFS	62 / 8 AA	50
Phosphosite 11:	FCRLB	Q6BAA4	Y252	RFDWGAEYTVPEPEV	55 / 9 AA	47
Phosphosite 12:	SgK307	Q8IWB6	Y993	DWQRVIEYHRENDEP	44 / 9 AA	168
Phosphosite 13:	KCT2	Q8NC54	Y243	LCSKTVEYHRLDQNV	71 / 7 AA	29
Phosphosite 14:	ZFAND2B	Q8WV99	Y239	LSASEAEYQRQQAQS	55 / 9 AA	28
Phosphosite 15:	SLC45A2	Q9UMX9	Y449	PFNLITEYHREEEKE	57 / 7 AA	58
Phosphosite 16:	C5	P01031	Y1498	ATFTVYEYHRPDKQC	83 / 6 AA	188
Phosphosite 17:	MORF4L2	Q15014	Y283	YKVASAEYHRKAL__	71 / 7 AA	32
Phosphosite 18:	Pax2	Q02962	Y102	VVDKIAEYKRQNPTM	71 / 7 AA	45
Phosphosite 19:	PAX5	Q02548	Y102	VVEKIAEYKRQNPTM	71 / 7 AA	42
Phosphosite 20:	PRKRIP1	Q9H875	Y90	RHLRRREYQRQDYMD	83 / 6 AA	21