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:	MEKK4
Human P-Site:	S499
P-Site Sequence:	KKLERLESEDDSLGW
UniProt:	Q9Y6R4
Intern. Prot. ID:	IPI00186536

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	MEKK4	Q9Y6R4	S499	KKLERLESEDDSLGW	100 / 9 AA	182
Phosphosite 1:	RBM5	P52756	S636	ELVERLESEEEKLAD	75 / 8 AA	92
Phosphosite 2:	MAST1	Q9Y2H9	S668	EFIPHLESEDDTSYF	75 / 8 AA	171
Phosphosite 3:	smMLCK	Q15746	S1788	LNAEKLESEEDVSQA	75 / 8 AA	211
Phosphosite 4:	MAST2	Q6P0Q8	S806	EFIPQLESEDDTSYF	75 / 8 AA	196
Phosphosite 5:	MAST4	O15021	S867	EFIPQLESEDDTSYF	75 / 8 AA	284
Phosphosite 6:	SGK223	Q86YV5	S234	PLRESLPSEDDSDQR	77 / 9 AA	150
Phosphosite 7:	CLPH	Q96KC9	S77	AKKEKLKSEDDMGTD	75 / 8 AA	43
Phosphosite 8:	MLL2	O14686	S4420	TEDVRMESDEDSDSP	62 / 8 AA	564
Phosphosite 9:	EVI1	Q03112	S64	DFQQKLESENDLQEI	62 / 8 AA	118
Phosphosite 10:	CDK1	P06493	S39	MKKIRLESEEEGVPS	62 / 8 AA	34
Phosphosite 11:	SLC22A16	Q86VW1	S544	EEAAKLESENESKSS	62 / 8 AA	65
Phosphosite 12:	GOLPH3L	Q9H4A5	S23	NSEKKMESEEDSNWE	62 / 8 AA	33
Phosphosite 13:	FCHO1	O14526	S427	SCAERLQSEEQVSKN	62 / 8 AA	97
Phosphosite 14:	ERCC6	Q03468	S1407	ILPERLESESGHLQE	100 / 6 AA	168
Phosphosite 15:	QSER1	Q2KHR3	S987	QSATNLESEEDSEAP	85 / 7 AA	190
Phosphosite 16:	TFIIA	P52655	S316	VEEEPLNSEDDVSDE	75 / 8 AA	42
Phosphosite 17:	Ig kappa chain V-III region CLL	P04207	S100	LTISRLQSEDFAVYY	83 / 6 AA	14
Phosphosite 18:	CHD-5	Q8TDI0	S1604	AALDRVESEDKHESP	71 / 7 AA	223
Phosphosite 19:	CGNL1	Q0VF96	S1164	ELEDRLESEERDRAN	71 / 7 AA	149
Phosphosite 20:	TMCO5A	Q8N6Q1	S50	DKIQRLESEIIQTRG	83 / 6 AA	34