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:	T516
P-Site Sequence:	SWQFSSTTKRGLSIE
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	T516	SWQFSSTTKRGLSIE	100 / 9 AA	88
Phosphosite 1:	STAT1	P42224	T510	SWQFSSVTKRGLNVD	88 / 9 AA	87
Phosphosite 2:	STAT3	P40763	T515	LSWQFSSTTKRGLSI	100 / 8 AA	88
Phosphosite 3:	KRT75	O95678	S525	GSGFSATSNRGLGGS	66 / 9 AA	60
Phosphosite 4:	STAG3	Q9UJ98	S1208	ASSYSSTSERGLDLL	66 / 9 AA	139
Phosphosite 5:	STAT3	P40763	S514	VLSWQFSSTTKRGLS	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	S508	VLSWQFSSVTKRGLN	85 / 7 AA	87
Phosphosite 9:	AOF1	Q8NB78	S690	GHVPPSASKRGLFAV	62 / 8 AA	92
Phosphosite 10:	KRT75	O95678	T524	GGSGFSATSNRGLGG	62 / 8 AA	60
Phosphosite 11:	PRRT3	Q5FWE3	S415	PVQAPSTSRRGLIRV	62 / 8 AA	102
Phosphosite 12:	NPAS1	Q99742	T256	VRMKSTLTKRGLHVK	75 / 8 AA	63
Phosphosite 13:	STAT3	P40763	S513	EVLSWQFSSTTKRGL	100 / 6 AA	88
Phosphosite 14:	CD3EAP	O15446	S248	PLGVLFPSTTKKRKK	71 / 7 AA	55
Phosphosite 15:	CHD6	Q8TD26	T2557	APASLSSTTKSGTAV	75 / 8 AA	305
Phosphosite 16:	MAML3	Q96JK9	S189	DGNFSPTSKRIRKDI	71 / 7 AA	122
Phosphosite 17:	MYST4	Q8WYB5	T1252	KQVWPKGTKRGLSKW	55 / 9 AA	231
Phosphosite 18:	MUC2	Q02817	S4666	PHCPHSSSTTKRPAV	100 / 6 AA	540
Phosphosite 19:	MUC2	Q02817	T4668	CPHSSSTTKRPAVTV	100 / 6 AA	540
Phosphosite 20:	KRT27	Q7Z3Y8	S9	SVRFSSTSRRLGSCG	71 / 7 AA	50