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:	S274
P-Site Sequence:	TPSPPLSSHPDIDTD
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	S274	TPSPPLSSHPDIDTD	100 / 9 AA	47
Phosphosite 1:	ELK4	P28324	S273	RTPSPPLSSHPDIDT	100 / 8 AA	47
Phosphosite 2:	FAM180A	Q6UWF9	S113	RLSASLSSHPGILKK	66 / 9 AA	20
Phosphosite 3:	WHSC1	O96028	S414	SSAETLESHPDIGKS	85 / 7 AA	152
Phosphosite 4:	SHF	Q7M4L6	S448	QNSPPFSSVPEIVHH	66 / 9 AA	53
Phosphosite 5:	Kv4.3	Q9UK17	S538	TRSPSLSSHPGLTTT	66 / 9 AA	73
Phosphosite 6:	PCTAIRE1	Q00536	S65	SARGPLSSAPEIVHE	75 / 8 AA	56
Phosphosite 7:	ZNF473	Q8WTR7	S54	PPRPNLTSHPDGSED	75 / 8 AA	100
Phosphosite 8:	ZNF473	Q8WTR7	T53	DPPRPNLTSHPDGSE	75 / 8 AA	100
Phosphosite 9:	CHMP7	Q8WUX9	S174	YQNSPLSSHPVVALS	75 / 8 AA	51
Phosphosite 10:	DCLRE1B	Q9H816	S264	TSRKIHSSHPDIHVI	100 / 6 AA	60
Phosphosite 11:	UGT1A1	P22309	S199	YVPRPLSSHSDHMTF	75 / 8 AA	60
Phosphosite 12:	UGT1A1	P22309	S198	SYVPRPLSSHSDHMT	85 / 7 AA	60
Phosphosite 13:	Kv4.3	Q9UK17	S537	STRSPSLSSHPGLTT	75 / 8 AA	73
Phosphosite 14:	PHF21A	Q96BD5	S450	LTPTSPQSSHPDSPE	85 / 7 AA	75
Phosphosite 15:	TJP1	Q07157	S994	RDQEPSLSSHVDPTK	75 / 8 AA	195
Phosphosite 16:	AMBRA1	Q9C0C7	S400	RSLGGPLSSHPSRYH	100 / 6 AA	143
Phosphosite 17:	PHF21A	Q96BD5	S451	TPTSPQSSHPDSPEN	85 / 7 AA	75
Phosphosite 18:	AMBRA1	Q9C0C7	S401	SLGGPLSSHPSRYHR	100 / 6 AA	143
Phosphosite 19:	CACNA1B	Q00975	S2146	PKPKPSLSSHPTSPT	85 / 7 AA	262
Phosphosite 20:	CACNA1B	Q00975	S2147	KPKPSLSSHPTSPTA	85 / 7 AA	262