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:	Y429
P-Site Sequence:	EDYQLPYYDLVPSDP
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	Y429	EDYQLPYYDLVPSDP	100 / 9 AA	56
Phosphosite 1:	ALK4	P36896	Y431	EEYQLPYYDLVPSDP	100 / 9 AA	57
Phosphosite 2:	ALK7	Q8NER5	Y419	EEYQLPYYDMVPSDP	88 / 9 AA	55
Phosphosite 3:	BMPR1A	P36894	Y458	EEYQLPYYNMVPSDP	77 / 9 AA	60
Phosphosite 4:	TGFBR1	P36897	Y428	HEDYQLPYYDLVPSD	100 / 8 AA	56
Phosphosite 5:	ALK4	P36896	Y430	HEEYQLPYYDLVPSD	100 / 8 AA	57
Phosphosite 6:	ALK7	Q8NER5	Y418	VEEYQLPYYDMVPSD	87 / 8 AA	55
Phosphosite 7:	BMPR1A	P36894	Y457	VEEYQLPYYNMVPSD	75 / 8 AA	60
Phosphosite 8:	BMPR1B	O00238	Y427	VEEYQLPYHDLVPSD	87 / 8 AA	57
Phosphosite 9:	SOS2	Q07890	Y200	SSGELNYYDLVRTEI	66 / 9 AA	153
Phosphosite 10:	Cytohesin 4	Q9UIA0	Y380	SITRVPFYDLVSTRK	55 / 9 AA	46
Phosphosite 11:	HEATR7A	Q8NDA8	Y638	LCRQLPCYDEAPQEK	66 / 9 AA	181
Phosphosite 12:	5-LO (arachidonate 5-lipoxygenase)	P09917	Y661	KKKQLPYYYLSPDRI	77 / 9 AA	78
Phosphosite 13:	ALK1	P37023	Y426	EDYRPPFYDVVPNDP	55 / 9 AA	56
Phosphosite 14:	ALK2	Q04771	Y432	EDYKPPFYDVVPNDP	71 / 7 AA	57
Phosphosite 15:	PIAS1	O75925	Y144	KLQKLPFYDLLDELI	62 / 8 AA	72
Phosphosite 16:	CLIPR-59	Q96DZ5	Y280	PKVTLPNYDNVPGNL	75 / 8 AA	60
Phosphosite 17:	DNTT	P04053	Y376	EKKGLLLYYDLVEST	85 / 7 AA	58
Phosphosite 18:	ABCC11	Q96J66	Y862	DNPQLSFYQLVYGLN	62 / 8 AA	154
Phosphosite 19:	IDH2	P48735	Y81	HVDIQLKYFDLGLPN	71 / 7 AA	51
Phosphosite 20:	SgK307	Q8IWB6	Y485	VRLPKPYYDIVKSGI	83 / 6 AA	168