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:	STAT3
Human P-Site:	T620
P-Site Sequence:	SSKEGGVTFTWVEKD
UniProt:	P40763
Intern. Prot. ID:	IPI00784414

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	STAT3	P40763	T620	SSKEGGVTFTWVEKD	100 / 9 AA	88
Phosphosite 1:	STAT1	P42224	T613	SSREGAITFTWVERS	77 / 9 AA	87
Phosphosite 2:	STAT4	Q14765	T608	ESHLGGITFTWVDHS	87 / 8 AA	86
Phosphosite 3:	STAT4	Q14765	T610	HLGGITFTWVDHSES	85 / 7 AA	86
Phosphosite 4:	IGHA1	P01876	T159	LRDASGVTFTWTPSS	75 / 8 AA	38
Phosphosite 5:	STAT2	P52630	T611	ESSEGGITCSWVEHQ	66 / 9 AA	98
Phosphosite 6:	IGHA1	P01876	T161	DASGVTFTWTPSSGK	100 / 6 AA	38
Phosphosite 7:	STAT1	P42224	T615	REGAITFTWVERSQN	71 / 7 AA	87
Phosphosite 8:	IGHA2	P01877	T146	LRDASGATFTWTPSS	55 / 9 AA	37
Phosphosite 9:	ZNF407	Q9C0G0	T1485	ELPEGGATFKCVKCT	66 / 9 AA	247
Phosphosite 10:	ZNF398	Q8TD17	T325	EASEGQVTFTQLGSY	85 / 7 AA	71
Phosphosite 11:	IGHA2	P01877	T148	DASGATFTWTPSSGK	71 / 7 AA	37
Phosphosite 12:	polycystin 1	P98161	Y1159	PSPGGVLYTWDFGDG	71 / 7 AA	463
Phosphosite 13:	ZNF57	Q68EA5	T484	ECKQCGKTFTWSSTL	62 / 8 AA	125
Phosphosite 14:	MYO1H	Q8N1T3	T354	AKAVYGRTFTWLVNK	71 / 7 AA	119
Phosphosite 15:	mGluR3	Q14832	S294	AASRANASFTWVASD	50 / 8 AA	99
Phosphosite 16:	UBE2O	Q9C0C9	T920	CGGKPGVTFTSAKGE	71 / 7 AA	141
Phosphosite 17:	Loc387763	Q7Z7L8	T178	GAGEGAVTFPERRGD	83 / 6 AA	46
Phosphosite 18:	polycystin 1	P98161	Y1750	AGGSGVVYTWSLEEG	57 / 7 AA	463
Phosphosite 19:	ZNF253	O75346	T406	DECGKTFTWPSILSK	83 / 6 AA	58
Phosphosite 20:	ZNF506	Q5JVG8	T351	DECGKTFTWYSSLSK	83 / 6 AA	52