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:	STAT4
Human P-Site:	S503
P-Site Sequence:	EVMSWQFSSYVGRGL
UniProt:	Q14765
Intern. Prot. ID:	IPI00000106

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	STAT4	Q14765	S503	EVMSWQFSSYVGRGL	100 / 9 AA	86
Phosphosite 1:	STAT2	P52630	S505	PALSWQFSSYVGRGL	100 / 9 AA	98
Phosphosite 2:	STAT2	P52630	S506	ALSWQFSSYVGRGLN	100 / 8 AA	98
Phosphosite 3:	STAT4	Q14765	Y505	MSWQFSSYVGRGLNS	100 / 7 AA	86
Phosphosite 4:	STAT2	P52630	Y507	LSWQFSSYVGRGLNS	100 / 7 AA	98
Phosphosite 5:	NUP107	P57740	T310	TLKQRQLTSYVGSVR	62 / 8 AA	106
Phosphosite 6:	NUP107	P57740	S311	LKQRQLTSYVGSVRP	62 / 8 AA	106
Phosphosite 7:	ANXA7	P20073	S400	SSVSREFSGYVESGL	62 / 8 AA	53
Phosphosite 8:	STAT3	P40763	S513	EVLSWQFSSTTKRGL	75 / 8 AA	88
Phosphosite 9:	STAT1	P42224	S507	EVLSWQFSSVTKRGL	100 / 6 AA	87
Phosphosite 10:	KCTD15	Q96SI1	S257	GVDSSQFSEYVLCRE	75 / 8 AA	32
Phosphosite 11:	KCTD1	Q719H9	S231	GVDSSQFSEYVLRRE	75 / 8 AA	29
Phosphosite 12:	IRX5	P78411	Y82	AAAAFSSYVGSPYDH	100 / 6 AA	50
Phosphosite 13:	CLDN2	P57739	T32	MLLPSWKTSSYVGAS	75 / 8 AA	25
Phosphosite 14:	NUP107	P57740	Y312	KQRQLTSYVGSVRPL	71 / 7 AA	106
Phosphosite 15:	SEC14L3	Q9UDX4	S309	VLRWQFSSDGADIGF	100 / 5 AA	46
Phosphosite 16:	STAT3	P40763	S509	DQVAEVLSWQFSSTT	100 / 5 AA	88
Phosphosite 17:	STAT3	P40763	S514	VLSWQFSSTTKRGLS	100 / 5 AA	88
Phosphosite 18:	STAT1	P42224	S508	VLSWQFSSVTKRGLN	100 / 5 AA	87
Phosphosite 19:	SEC14L3	Q9UDX4	S308	CVLRWQFSSDGADIG	100 / 5 AA	46
Phosphosite 20:	SYNPO2	Q9UMS6	S914	LPASWKYSSNVRAPP	62 / 8 AA	118