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:	S1251
P-Site Sequence:	RSLSRHSSPTEERDE
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	S1251	RSLSRHSSPTEERDE	100 / 9 AA	182
Phosphosite 1:	NRG1	Q02297	S383	VENSRHSSPTGGPRG	77 / 9 AA	70
Phosphosite 2:	NRG1	Q02297	S382	SVENSRHSSPTGGPR	87 / 8 AA	70
Phosphosite 3:	ARNT	P27540	S629	LAQISRHSNPTQGAT	75 / 8 AA	87
Phosphosite 4:	PUM2	Q8TB72	S182	TPGSRQASPTEVVER	75 / 8 AA	114
Phosphosite 5:	TACC2	O95359	S2512	VNETKFSSPTEELDY	66 / 9 AA	309
Phosphosite 6:	formin 2	Q9NZ56	S747	EAKSIQTSPTEEGGV	66 / 9 AA	180
Phosphosite 7:	NOD2	Q9HC29	S396	TDRERHCSPTDPTSV	71 / 7 AA	115
Phosphosite 8:	SAPAP3	O95886	S960	AASFRHSSATESADS	85 / 7 AA	106
Phosphosite 9:	SAPAP3	O95886	S959	RAASFRHSSATESAD	85 / 7 AA	106
Phosphosite 10:	KIDINS220	Q9ULH0	S429	IFGARHLSPTETDGD	75 / 8 AA	197
Phosphosite 11:	LCORL	Q8N3X6	T112	SLDSSQSTPTEELSS	66 / 9 AA	67
Phosphosite 12:	MFSD5	Q6N075	S440	DAELRVPSPTEEPYA	75 / 8 AA	50
Phosphosite 13:	PPM1L	Q5SGD2	S355	VVKFRNSSKTEEQ__	75 / 8 AA	41
Phosphosite 14:	POLR2G	P62487	S112	SCFISRHSIPSEMEF	75 / 8 AA	19
Phosphosite 15:	LRRC9	Q6ZRR7	S851	LSLLRHSSTKEERPR	75 / 8 AA	128
Phosphosite 16:	CROP	O95232	S301	RSRSRHSSRTSDRRC	66 / 9 AA	51
Phosphosite 17:	GYS1	P13807	S652	SPSLSRHSSPHQSED	75 / 8 AA	84
Phosphosite 18:	SIN3B	O75182	S740	PAPGPHSSPPEEKGA	66 / 9 AA	133
Phosphosite 19:	LRRC9	Q6ZRR7	T852	SLLRHSSTKEERPRI	75 / 8 AA	128
Phosphosite 20:	MARCKSL1	P49006	S120	GGDSSASSPTEEEQE	77 / 9 AA	20