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:	ActR2
Human P-Site:	S325
P-Site Sequence:	ISHRDIKSKNVLLKN
UniProt:	P27037
Intern. Prot. ID:	IPI00015691

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	ActR2	P27037	S325	ISHRDIKSKNVLLKN	100 / 9 AA	58
Phosphosite 1:	ALK7	Q8NER5	S326	IAHRDIKSKNILVKK	88 / 9 AA	55
Phosphosite 2:	ActR2B	Q13705	S324	IAHRDFKSKNVLLKS	88 / 9 AA	58
Phosphosite 3:	NEK3	P51956	S130	VLHRDIKSKNIFLTQ	77 / 9 AA	58
Phosphosite 4:	ALK1	P37023	S333	IAHRDFKSRNVLVKS	77 / 9 AA	56
Phosphosite 5:	ALK2	Q04771	S339	IAHRDLKSKNILVKK	77 / 9 AA	57
Phosphosite 6:	TGFBR1	P36897	S336	IAHRDLKSKNILVKK	77 / 9 AA	56
Phosphosite 7:	ALK4	P36896	S338	IAHRDLKSKNILVKK	77 / 9 AA	57
Phosphosite 8:	BMPR1A	P36894	S365	IAHRDLKSKNILIKK	77 / 9 AA	60
Phosphosite 9:	BMPR1B	O00238	S335	IAHRDLKSKNILVKK	77 / 9 AA	57
Phosphosite 10:	NEK11	Q8NG66	S161	ILHRDLKSKNVFLKN	77 / 9 AA	74
Phosphosite 11:	IRAK4	Q9NWZ3	S314	HIHRDIKSANILLDE	77 / 9 AA	52
Phosphosite 12:	MAP3K13	O43283	S282	IIHRDLKSPNVLVTH	77 / 9 AA	108
Phosphosite 13:	NEK1	Q96PY6	S131	ILHRDIKSQNIFLTK	66 / 9 AA	143
Phosphosite 14:	IRAK1	P51617	S343	LIHGDIKSSNVLLDE	87 / 8 AA	77
Phosphosite 15:	BMPR2	Q13873	S336	ISHRDLNSRNVLVKN	66 / 9 AA	115
Phosphosite 16:	PAK4	O96013	S443	VIHRDIKSDSILLTH	66 / 9 AA	64
Phosphosite 17:	MLTK	Q9NYL2	S136	VIHRDLKSRNVVIAA	66 / 9 AA	91
Phosphosite 18:	TGF-betaR2	P37173	S382	IVHRDLKSSNILVKN	66 / 9 AA	65
Phosphosite 19:	PINK1	Q9BXM7	S365	IAHRDLKSDNILVEL	66 / 9 AA	63
Phosphosite 20:	AMHR2	Q16671	S336	IAHRDLSSQNVLIRE	66 / 9 AA	63