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:	S189
P-Site Sequence:	YDMTTSGSGSGLPLL
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	S189	YDMTTSGSGSGLPLL	100 / 9 AA	56
Phosphosite 1:	ALK7	Q8NER5	S179	YDVTASGSGSGLPLL	88 / 9 AA	55
Phosphosite 2:	ALK4	P36896	S191	YDLSTSGSGSGLPLF	88 / 9 AA	57
Phosphosite 3:	ALK2	Q04771	S192	DHSCTSGSGSGLPFL	100 / 8 AA	57
Phosphosite 4:	GIRK1	P48549	S20	QVVTTSSSGSGLQPQ	88 / 9 AA	57
Phosphosite 5:	ALK1	P37023	S186	DSDCTTGSGSGLPFL	87 / 8 AA	56
Phosphosite 6:	BMPR1A	P36894	S218	DQSQSSGSGSGLPLL	87 / 8 AA	60
Phosphosite 7:	BMPR1B	O00238	S188	EQSQSSGSGSGLPLL	87 / 8 AA	57
Phosphosite 8:	Elk-1	P19419	S343	TPGSGSGSGLQAPGP	100 / 7 AA	45
Phosphosite 9:	ALK7	Q8NER5	S181	VTASGSGSGLPLLVQ	100 / 7 AA	55
Phosphosite 10:	TGFBR1	P36897	S191	MTTSGSGSGLPLLVQ	100 / 7 AA	56
Phosphosite 11:	ALK4	P36896	S193	LSTSGSGSGLPLFVQ	100 / 7 AA	57
Phosphosite 12:	BMPR1A	P36894	S220	SQSSGSGSGLPLLVQ	100 / 7 AA	60
Phosphosite 13:	BMPR1B	O00238	S190	SQSSGSGSGLPLLVQ	100 / 7 AA	57
Phosphosite 14:	MLL	Q03164	S3330	TSHLTSGSVSGLASS	87 / 8 AA	432
Phosphosite 15:	Elk-1	P19419	S341	ERTPGSGSGSGLQAP	100 / 7 AA	45
Phosphosite 16:	TGFBR1	P36897	S187	LIYDMTTSGSGSGLP	100 / 7 AA	56
Phosphosite 17:	UNC5B	Q8IZJ1	S492	YSSSTTGSGPGLADG	66 / 9 AA	104
Phosphosite 18:	CIC	Q96RK0	S794	GGGTTAGSGAGAGSG	75 / 8 AA	164
Phosphosite 19:	KIAA0552	O60299	S212	TMTPAGGSGSGLSDS	75 / 8 AA	72
Phosphosite 20:	DOCK9	Q9BZ29	S310	SKLEGSGSGLDSYLP	100 / 6 AA	236