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:	S519
P-Site Sequence:	DDPERRLSASPPGRP
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	S519	DDPERRLSASPPGRP	100 / 9 AA	63
Phosphosite 1:	HDMCP	Q6Q0C1	S137	QKQQRRLSASGPLAV	77 / 9 AA	33
Phosphosite 2:	CCK-A receptor	P32238	S348	ASAERRLSGTPISFI	75 / 8 AA	48
Phosphosite 3:	RGS22	Q8NE09	T7	_MPEKRLTAEPPTIT	66 / 9 AA	147
Phosphosite 4:	EPB41L3	Q9Y2J2	S760	NEWEKRLSTSPVRLA	75 / 8 AA	121
Phosphosite 5:	UBE2J1	Q9Y385	S266	QQSQRRLSTSPDVIQ	75 / 8 AA	35
Phosphosite 6:	USP33	Q8TEY7	S439	VNPRLSASPPKSGNL	100 / 7 AA	107
Phosphosite 7:	SLCO4C1	Q6ZQN7	S24	PDILRRLSASPSQIE	100 / 7 AA	79
Phosphosite 8:	ERK4	P31152	S521	PERRLSASPPGRPAP	100 / 7 AA	63
Phosphosite 9:	USP33	Q8TEY7	S437	EGVNPRLSASPPKSG	100 / 7 AA	107
Phosphosite 10:	BICD1	Q96G01	T917	LSKEKRLTVAPPDCQ	55 / 9 AA	111
Phosphosite 11:	DOCK1	Q14185	S1756	IGSERRFSVSPSSPS	75 / 8 AA	215
Phosphosite 12:	Cbl-c	Q9ULV8	S38	QCVDPRLSVSPPSLR	66 / 9 AA	52
Phosphosite 13:	ANGPTL4	Q9BY76	S74	SALERRLSACGSACQ	85 / 7 AA	45
Phosphosite 14:	SRRM1	Q8IYB3	S605	PPIQRRYSPSPPPKR	66 / 9 AA	102
Phosphosite 15:	PRPF40A	O75400	S34	GDGERRLSGSSLCSG	75 / 8 AA	109
Phosphosite 16:	UBE2J1	Q9Y385	T267	QSQRRLSTSPDVIQG	85 / 7 AA	35
Phosphosite 17:	NAB1	Q13506	S395	QHAERRLSAGLYRQS	85 / 7 AA	54
Phosphosite 18:	FAM44A	Q8NFC6	S832	NKKERRLSAEKTKAE	100 / 6 AA	330
Phosphosite 19:	HNF1A	P20823	S585	LQPAHRLSASPTVSS	75 / 8 AA	67
Phosphosite 20:	ULK2	Q8IYT8	S1027	CSIERRLSALCHSTA	100 / 6 AA	113