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:	T515
P-Site Sequence:	LSWQFSSTTKRGLSI
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	T515	LSWQFSSTTKRGLSI	100 / 9 AA	88
Phosphosite 1:	STAT3	P40763	S514	VLSWQFSSTTKRGLS	100 / 8 AA	88
Phosphosite 2:	STAT3	P40763	T516	SWQFSSTTKRGLSIE	100 / 8 AA	88
Phosphosite 3:	STAT1	P42224	S508	VLSWQFSSVTKRGLN	87 / 8 AA	87
Phosphosite 4:	STAT1	P42224	T510	SWQFSSVTKRGLNVD	87 / 8 AA	87
Phosphosite 5:	STAT3	P40763	S513	EVLSWQFSSTTKRGL	100 / 7 AA	88
Phosphosite 6:	MTF2	Q9Y483	T160	QCVFATTTKRGGALK	75 / 8 AA	67
Phosphosite 7:	C3orf21	Q8NBI6	S50	SGRETFSSATKRLKE	85 / 7 AA	44
Phosphosite 8:	STAT1	P42224	S507	EVLSWQFSSVTKRGL	85 / 7 AA	87
Phosphosite 9:	KRT75	O95678	S525	GSGFSATSNRGLGGS	62 / 8 AA	60
Phosphosite 10:	KRT75	O95678	T524	GGSGFSATSNRGLGG	62 / 8 AA	60
Phosphosite 11:	MUC2	Q02817	S4666	PHCPHSSSTTKRPAV	75 / 8 AA	540
Phosphosite 12:	KRT27	Q7Z3Y8	S7	_MSVRFSSTSRRLGS	62 / 8 AA	50
Phosphosite 13:	KRT27	Q7Z3Y8	T8	MSVRFSSTSRRLGSC	62 / 8 AA	50
Phosphosite 14:	CHD6	Q8TD26	T2557	APASLSSTTKSGTAV	75 / 8 AA	305
Phosphosite 15:	CD3EAP	O15446	S248	PLGVLFPSTTKKRKK	62 / 8 AA	55
Phosphosite 16:	UTP20	O75691	T1799	HKCLASTTKREEEHK	62 / 8 AA	318
Phosphosite 17:	KRT27	Q7Z3Y8	S9	SVRFSSTSRRLGSCG	71 / 7 AA	50
Phosphosite 18:	MAML3	Q96JK9	S189	DGNFSPTSKRIRKDI	71 / 7 AA	122
Phosphosite 19:	MUC2	Q02817	T4668	CPHSSSTTKRPAVTV	100 / 6 AA	540
Phosphosite 20:	CD3EAP	O15446	T249	LGVLFPSTTKKRKKP	71 / 7 AA	55