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:	S304
P-Site Sequence:	LSSYGMDSRPPMAIF
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	S304	LSSYGMDSRPPMAIF	100 / 9 AA	43
Phosphosite 1:	Hpk1	Q92918	T349	RKLRGMETRPPANTA	71 / 7 AA	91
Phosphosite 2:	SPT5	O00267	S782	TPMYGSGSRTPMYGS	66 / 9 AA	121
Phosphosite 3:	RB1CC1	Q8TDY2	S557	RLFRGLDSWPPSFCT	71 / 7 AA	183
Phosphosite 4:	Kv2.1	Q14721	S772	QLLYSVDSSPPKSLP	55 / 9 AA	96
Phosphosite 5:	ANO9	A1A5B4	S761	LGGVGAGSRPPMPAH	75 / 8 AA	90
Phosphosite 6:	GPS, PLAT and transmembrane domain-containing protein FLJ00285	Q6ZNL0	S294	IMLYGVDSRSGHRHL	71 / 7 AA	89
Phosphosite 7:	polycystin 1	P98161	S3147	IMLYGVDSRSGHRHL	71 / 7 AA	463
Phosphosite 8:	ROBO3	Q96MS0	S948	EGLSGASSRPPMGLG	75 / 8 AA	148
Phosphosite 9:	PRSS35	Q8N3Z0	S129	RQVYGTDSRFSILDK	55 / 9 AA	47
Phosphosite 10:	NUCKS1	Q9H1E3	S30	DEDYGRDSGPPTKKI	66 / 9 AA	27
Phosphosite 11:	KRT80	Q6KB66	S242	SVTVGMDSRCHIDLS	62 / 8 AA	51
Phosphosite 12:	NT5C1B	Q96P26	S191	QLPRSLDSRPPTPPE	62 / 8 AA	69
Phosphosite 13:	ANKS4B	Q8N8V4	S453	ARPLGMDSRASEMPT	71 / 7 AA	51
Phosphosite 14:	CSHL1	Q14406	S65	ISSWGMDSIPTSSNM	71 / 7 AA	23
Phosphosite 15:	VTN	P04004	S137	SKPEGIDSRPETLHP	83 / 6 AA	54
Phosphosite 16:	PRSS35	Q8N3Z0	T127	RKRQVYGTDSRFSIL	83 / 6 AA	47
Phosphosite 17:	MEK1	Q02750	Y300	PGRPLSSYGMDSRPP	100 / 5 AA	43
Phosphosite 18:	CORO1B	Q9BR76	S415	RRNVLSDSRPAMAPG	83 / 6 AA	54
Phosphosite 19:	ZFHX3	Q15911	S2226	LEELKIDSRPPSPEP	83 / 6 AA	404
Phosphosite 20:	FBLN7	Q53RD9	S327	RNPCPMDSRPCRHLP	71 / 7 AA	47