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:	ERK4
Human P-Site:	S452
P-Site Sequence:	DNKPHHYSEPKLILD
UniProt:	P31152
Intern. Prot. ID:	IPI00010156

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	ERK4	P31152	S452	DNKPHHYSEPKLILD	100 / 9 AA	63
Phosphosite 1:	ERK4	P31152	Y451	RDNKPHHYSEPKLIL	100 / 8 AA	63
Phosphosite 2:	ERK3	Q16659	Y468	ESEVNHYYEPKLIID	75 / 8 AA	83
Phosphosite 3:	AMPD3	Q01432	S436	EESKYQYSEPRLSIY	62 / 8 AA	89
Phosphosite 4:	ST6GALNAC6	Q969X2	Y283	LQRMPYHYYEPKGPD	75 / 8 AA	38
Phosphosite 5:	ST6GALNAC6	Q969X2	Y284	QRMPYHYYEPKGPDE	75 / 8 AA	38
Phosphosite 6:	RBM10	P98175	Y206	GQKVSMHYSDPKPKI	83 / 6 AA	104
Phosphosite 7:	RBM10	P98175	S207	QKVSMHYSDPKPKIN	83 / 6 AA	104
Phosphosite 8:	MLL5	Q8IZD2	Y784	LTYSPHVYSTPKHYI	75 / 8 AA	205
Phosphosite 9:	AP2A2	O94973	S321	SLIIHHDSEPNLLVR	75 / 8 AA	104
Phosphosite 10:	CAPN1	P07384	S664	ELIITRYSEPDLAVD	71 / 7 AA	82
Phosphosite 11:	MLL5	Q8IZD2	S785	TYSPHVYSTPKHYIR	75 / 8 AA	205
Phosphosite 12:	ZSWIM6	Q9HCJ5	Y1165	THISPRHYSEFIEFL	83 / 6 AA	133
Phosphosite 13:	ZSWIM6	Q9HCJ5	S1166	HISPRHYSEFIEFLS	83 / 6 AA	133
Phosphosite 14:	LENG8	Q96PV6	Y172	QAYGPHTYTEPAKPK	71 / 7 AA	86
Phosphosite 15:	LENG8	Q96PV6	T173	AYGPHTYTEPAKPKK	71 / 7 AA	86
Phosphosite 16:	RBM44	Q6ZP01	S117	KTYSIPYSESKLKKE	83 / 6 AA	118
Phosphosite 17:	RNase11	Q8TAA1	Y83	LTFRSLHYNDPKGNS	66 / 6 AA	22
Phosphosite 18:	USP48	Q86UV5	S836	PSETQYISEPKLCPE	62 / 8 AA	119
Phosphosite 19:	ERK3	Q16659	Y467	RESEVNHYYEPKLII	71 / 7 AA	83
Phosphosite 20:	AKR1D1	P51857	Y26	PIIGLGTYSEPKSTP	100 / 5 AA	37