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:	TGFBR1
Human P-Site:	T491
P-Site Sequence:	TALRIKKTLSQLSQQ
UniProt:	P36897
Intern. Prot. ID:	IPI00005733

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	TGFBR1	P36897	T491	TALRIKKTLSQLSQQ	100 / 9 AA	56
Phosphosite 1:	ALK4	P36896	T493	TALRIKKTLSQLSVQ	100 / 9 AA	57
Phosphosite 2:	NPTX2	P47972	T243	LYGKIKKTLPELYAF	66 / 9 AA	47
Phosphosite 3:	HES1	Q14469	S53	RRARINESLSQLKTL	66 / 9 AA	30
Phosphosite 4:	HES2	Q9Y543	S32	RRARINQSLSQLKGL	66 / 9 AA	18
Phosphosite 5:	TANC1	Q9C0D5	T1822	QENRITKTVSHLYQE	66 / 9 AA	202
Phosphosite 6:	ALK4	P36896	S495	LRIKKTLSQLSVQED	100 / 7 AA	57
Phosphosite 7:	BMPR1A	P36894	T520	TALRIKKTLAKMVES	66 / 9 AA	60
Phosphosite 8:	TGFBR1	P36897	S493	LRIKKTLSQLSQQEG	100 / 7 AA	56
Phosphosite 9:	HEY1	Q9Y5J3	S68	RRDRINNSLSELRRL	55 / 9 AA	33
Phosphosite 10:	HEY2	Q9UBP5	S67	RRDRINNSLSELRRL	55 / 9 AA	36
Phosphosite 11:	ECT2	Q9H8V3	T355	KRRRLKETLAQLSRE	66 / 9 AA	100
Phosphosite 12:	GPI	P06744	T195	DGTHIAKTLAQLNPE	66 / 9 AA	63
Phosphosite 13:	ALK2	Q04771	T494	TALRIKKTLTKIDNS	66 / 9 AA	57
Phosphosite 14:	MTRF1L	Q9UGC7	T342	TDHRINKTLHDLETF	66 / 9 AA	44
Phosphosite 15:	LASP1	Q14847	T113	ELQRIKKTQDQISNI	66 / 9 AA	30
Phosphosite 16:	RBM44	Q6ZP01	T732	VSSNLKKTLSQMSLS	75 / 8 AA	118
Phosphosite 17:	ZBTB41	Q5SVQ8	T710	QSFRIKKTLTKHLVI	85 / 7 AA	105
Phosphosite 18:	BMPR1B	O00238	T490	TALRVKKTLAKMSES	55 / 9 AA	57
Phosphosite 19:	IKIP	Q70UQ0	T245	RINSVKKTLTELKSD	55 / 9 AA	39
Phosphosite 20:	RBM44	Q6ZP01	S734	SNLKKTLSQMSLSSD	85 / 7 AA	118