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:	S434
P-Site Sequence:	PYYDLVPSDPSVEEM
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	S434	PYYDLVPSDPSVEEM	100 / 9 AA	56
Phosphosite 1:	ALK4	P36896	S436	PYYDLVPSDPSIEEM	88 / 9 AA	57
Phosphosite 2:	ALK7	Q8NER5	S424	PYYDMVPSDPSIEEM	77 / 9 AA	55
Phosphosite 3:	BMPR1B	O00238	S433	PYHDLVPSDPSYEDM	100 / 8 AA	57
Phosphosite 4:	STRN	O43815	S624	PASVDLVSSDPSHMV	87 / 8 AA	86
Phosphosite 5:	PIP5K1B	O14986	S465	HRPDLVPSTPSLFEA	77 / 9 AA	61
Phosphosite 6:	USP28	Q96RU2	S344	GDVELLPSDHSVKYG	66 / 9 AA	122
Phosphosite 7:	EIF2AK4	Q9P2K8	S892	QTGDLIKSDPSGHLT	75 / 8 AA	187
Phosphosite 8:	TOP2A	P11388	S1351	DDEDFVPSDASPPKT	75 / 8 AA	174
Phosphosite 9:	TTC7A	Q9ULT0	S446	ECVKLRPSDPTVPLM	75 / 8 AA	96
Phosphosite 10:	TTC7A	Q9ULT0	S530	RAQQLAPSDPQVILY	66 / 9 AA	96
Phosphosite 11:	COL7A1	Q02388	S241	APRDLVLSEPSSQSL	75 / 8 AA	295
Phosphosite 12:	ARAP3	Q8WWN8	S663	SCPGLLPSDPSPGVY	75 / 8 AA	170
Phosphosite 13:	GABARAP	O95166	S53	KKKYLVPSDLTVGQF	75 / 8 AA	14
Phosphosite 14:	PIP5K1B	O14986	T466	RPDLVPSTPSLFEAA	75 / 8 AA	61
Phosphosite 15:	RARB	P10826	S74	SSEELVPSPPSPLPP	75 / 8 AA	50
Phosphosite 16:	TGFBR1	P36897	S437	DLVPSDPSVEEMRKV	100 / 6 AA	56
Phosphosite 17:	C10orf125	A2VDF0	S84	AVMELVPSDKERGLQ	83 / 6 AA	17
Phosphosite 18:	C16orf63	Q96NB1	S135	KGPSLQPSDPSLGRQ	75 / 8 AA	20
Phosphosite 19:	POU2F3	Q9UKI9	S261	NDAESSPSDPSVSTP	100 / 6 AA	47
Phosphosite 20:	POU2F3	Q9UKI9	S264	ESSPSDPSVSTPSSY	100 / 6 AA	47