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:	S236
P-Site Sequence:	VAVKIFSSREERSWF
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	S236	VAVKIFSSREERSWF	100 / 9 AA	56
Phosphosite 1:	ALK4	P36896	S238	VAVKIFSSREERSWF	100 / 9 AA	57
Phosphosite 2:	ALK7	Q8NER5	S226	VAVKIFSSRDERSWF	88 / 9 AA	55
Phosphosite 3:	TGFBR1	P36897	S235	EVAVKIFSSREERSW	100 / 8 AA	56
Phosphosite 4:	ALK4	P36896	S237	DVAVKIFSSREERSW	100 / 8 AA	57
Phosphosite 5:	ALK2	Q04771	S239	VAVKIFSSRDEKSWF	77 / 9 AA	57
Phosphosite 6:	ALK1	P37023	S233	VAVKIFSSRDEQSWF	77 / 9 AA	56
Phosphosite 7:	ALK7	Q8NER5	S225	DVAVKIFSSRDERSW	87 / 8 AA	55
Phosphosite 8:	ALK2	Q04771	S238	NVAVKIFSSRDEKSW	87 / 8 AA	57
Phosphosite 9:	ALK1	P37023	S232	SVAVKIFSSRDEQSW	87 / 8 AA	56
Phosphosite 10:	RING1	Q06587	S113	LISKIYPSREEYEAH	75 / 8 AA	42
Phosphosite 11:	RNF2	Q99496	S116	LISKIYPSRDEYEAH	62 / 8 AA	38
Phosphosite 12:	MPP7	Q5T2T1	S505	RKNAKIISSRDDQGA	62 / 8 AA	66
Phosphosite 13:	C9orf84	Q5VXU9	S348	TDLKKIFSVKEESLV	75 / 8 AA	165
Phosphosite 14:	GAK	O14976	S737	LNPKILFSSREEQQD	85 / 7 AA	143
Phosphosite 15:	TAAR3	Q9P1P4	S331	VSGKIFSSHSETANL	75 / 8 AA	39
Phosphosite 16:	TAAR3	Q9P1P4	S330	IVSGKIFSSHSETAN	75 / 8 AA	39
Phosphosite 17:	DDX11	Q96FC9	S520	ERYGAVFSSREQPKL	71 / 7 AA	108
Phosphosite 18:	DDX12	Q92771	S539	ERYGAVFSSREQPKL	71 / 7 AA	106
Phosphosite 19:	DD11L	A8MPP1	S522	ERYGAVFSSREQPKL	71 / 7 AA	102
Phosphosite 20:	RING1	Q06587	Y111	DALISKIYPSREEYE	71 / 7 AA	42