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:	MEK1
Human P-Site:	Y229
P-Site Sequence:	SFVGTRSYMSPERLQ
UniProt:	Q02750
Intern. Prot. ID:	IPI00219604

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	MEK1	Q02750	Y229	SFVGTRSYMSPERLQ	100 / 9 AA	43
Phosphosite 1:	MAP2K2	P36507	Y233	SFVGTRSYMAPERLQ	88 / 9 AA	44
Phosphosite 2:	MEK1	Q02750	S228	NSFVGTRSYMSPERL	100 / 8 AA	43
Phosphosite 3:	ActR2B	Q13705	Y364	GQVGTRRYMAPEVLE	77 / 9 AA	58
Phosphosite 4:	ActR2	P27037	Y365	GQVGTRRYMAPEVLE	77 / 9 AA	58
Phosphosite 5:	STK32B	Q9NY57	Y186	SMAGTKPYMAPEVFQ	66 / 9 AA	48
Phosphosite 6:	STK32A	Q8WU08	Y186	TMAGTKPYMAPEMFS	66 / 9 AA	46
Phosphosite 7:	ADRBK2	P35626	Y356	ASVGTHGYMAPEVLQ	66 / 9 AA	80
Phosphosite 8:	GRK2	P25098	Y356	ASVGTHGYMAPEVLQ	66 / 9 AA	80
Phosphosite 9:	MEK1	Q02750	S231	VGTRSYMSPERLQGT	100 / 7 AA	43
Phosphosite 10:	ALK7	Q8NER5	Y368	PKVGTKRYMAPEMLD	66 / 9 AA	55
Phosphosite 11:	ALK2	Q04771	Y381	PRVGTKRYMAPEVLD	66 / 9 AA	57
Phosphosite 12:	ALK1	P37023	Y375	PRVGTKRYMAPEVLD	66 / 9 AA	56
Phosphosite 13:	TGFBR1	P36897	Y378	HRVGTKRYMAPEVLD	66 / 9 AA	56
Phosphosite 14:	ALK4	P36896	Y380	QRVGTKRYMAPEVLD	66 / 9 AA	57
Phosphosite 15:	BMPR1A	P36894	Y407	TRVGTKRYMAPEVLD	66 / 9 AA	60
Phosphosite 16:	NEK11	Q8NG66	Y198	TLTGTPHYMSPEALK	77 / 9 AA	74
Phosphosite 17:	BMPR1B	O00238	Y377	TRVGTKRYMPPEVLD	66 / 9 AA	57
Phosphosite 18:	AMHR2	Q16671	Y386	MEAGTQRYMAPELLD	66 / 9 AA	63
Phosphosite 19:	ZNF256	Q9Y2P7	Y379	VHTGTRPYMCSECGK	66 / 9 AA	72
Phosphosite 20:	MAP2K4	P45985	Y269	RDAGCRPYMAPERID	66 / 9 AA	44