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:	ELK4
Human P-Site:	S319
P-Site Sequence:	KVNNSSRSKKPKGLE
UniProt:	P28324
Intern. Prot. ID:	IPI00002849

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	ELK4	P28324	S319	KVNNSSRSKKPKGLE	100 / 9 AA	47
Phosphosite 1:	KIAA0895	Q8NCT3	S146	KSPNTSRSKDPRRMK	66 / 9 AA	61
Phosphosite 2:	ELK4	P28324	S317	KDKVNNSSRSKKPKG	100 / 7 AA	47
Phosphosite 3:	FLJ43906	Q4AC94	S232	LAANSSRSTTPRGKD	66 / 9 AA	260
Phosphosite 4:	HS1BP3	Q53T59	S209	DPLGIMRSKKPKKHP	100 / 6 AA	43
Phosphosite 5:	RELL2	Q8NC24	S138	PCLHCSRSKRPPLVR	62 / 8 AA	32
Phosphosite 6:	TRAK1	Q9UPV9	S481	DLGNDERSKKPGTPG	75 / 8 AA	106
Phosphosite 7:	YY2	O15391	S138	STSTQSRSKKPSKKP	100 / 6 AA	41
Phosphosite 8:	CAMSAP1	Q5T5Y3	S1120	RPQGSSRSKTPTPSV	75 / 8 AA	178
Phosphosite 9:	mGluR5	P41594	S139	GSSSSFRSKKPIVGV	75 / 8 AA	132
Phosphosite 10:	ZNF280C	Q8ND82	S560	RKSNASRSKTSKLHA	66 / 9 AA	83
Phosphosite 11:	Proline-rich protein 35	P0CG20	S18	GTGARARSRKPKKPH	71 / 7 AA
Phosphosite 12:	DDX21	Q9NR30	S74	VDMNSPKSKKAKKKE	66 / 9 AA	87
Phosphosite 13:	ELK4	P28324	S316	EKDKVNNSSRSKKPK	100 / 6 AA	47
Phosphosite 14:	EIF2AK2	P19525	S357	NSKNSSRSKTKCLFI	100 / 6 AA	62
Phosphosite 15:	ZFP64	Q9NTW7	T132	SLPAKSRTKKPTTPP	83 / 6 AA	72
Phosphosite 16:	ZFP64	Q9NPA5	T132	SLPAKSRTKKPTTPP	83 / 6 AA	75
Phosphosite 17:	SFRS5	Q13243	S248	KRGSSSRSKSPASVD	75 / 8 AA	31
Phosphosite 18:	En-2	P19622	S232	RPSSGPRSRKPKKKN	55 / 9 AA	34
Phosphosite 19:	RYBP	Q8N488	S213	TDKGSSRSSTPKGDM	66 / 9 AA	25
Phosphosite 20:	EIF2AK2	P19525	S355	PENSKNSSRSKTKCL	100 / 6 AA	62