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:	S287
P-Site Sequence:	SDYHEHGSLFDYLNR
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	S287	SDYHEHGSLFDYLNR	100 / 9 AA	56
Phosphosite 1:	ALK4	P36896	S289	SDYHEHGSLFDYLNR	100 / 9 AA	57
Phosphosite 2:	ALK7	Q8NER5	S277	SEYHEQGSLYDYLNR	77 / 9 AA	55
Phosphosite 3:	BMPR1B	O00238	S286	TDYHENGSLYDYLKS	77 / 9 AA	57
Phosphosite 4:	MTMR13	Q86WG5	T1525	YERLEHGTLFDDKGE	85 / 7 AA	208
Phosphosite 5:	OPLAH	O14841	S1277	LAFPEHGSVYEYRRA	62 / 8 AA	137
Phosphosite 6:	ATRX	P46100	S2256	VGYHEHDSLLDHKEE	66 / 9 AA	283
Phosphosite 7:	ALK7	Q8NER5	Y279	YHEQGSLYDYLNRNI	71 / 7 AA	55
Phosphosite 8:	WDR42C	P0C7V8	S544	EDSLHHGSLFDQYML	100 / 6 AA	68
Phosphosite 9:	BMPR1B	O00238	Y288	YHENGSLYDYLKSTT	71 / 7 AA	57
Phosphosite 10:	ALK1	P37023	Y286	YHEHGSLYDFLQRQT	71 / 7 AA	56
Phosphosite 11:	NEB	P20929	S6507	VWRTNPGSVFDYDPA	62 / 8 AA	773
Phosphosite 12:	C7orf64	Q5RL73	S10	SSGGELGSLFDHHVQ	75 / 8 AA	42
Phosphosite 13:	DSTYK	Q6XUX3	S716	RLVDLHGSVIDYNYG	71 / 7 AA	105
Phosphosite 14:	MLTK	Q9NYL2	Y91	YASLGSLYDYINSNR	83 / 6 AA	91
Phosphosite 15:	ALK2	Q04771	Y292	YHEMGSLYDYLQLTT	83 / 6 AA	57
Phosphosite 16:	MLTK	Q9NYL2	S89	TEYASLGSLYDYINS	83 / 6 AA	91
Phosphosite 17:	LDH-A	P00338	S69	MMDLQHGSLFLRTPK	83 / 6 AA	37
Phosphosite 18:	LDH-B	P07195	S70	MMDLQHGSLFLQTPK	83 / 6 AA	37
Phosphosite 19:	Septin-8	Q92599	S141	EELKIRRSLFDYHDT	71 / 7 AA	56
Phosphosite 20:	LDHC	P07864	S69	MMDLQHGSLFFSTSK	83 / 6 AA	36