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:	S269
P-Site Sequence:	RLENWITSLAESQLQ
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	S269	RLENWITSLAESQLQ	100 / 9 AA	88
Phosphosite 1:	STAT3	P40763	T268	DRLENWITSLAESQL	100 / 8 AA	88
Phosphosite 2:	C11orf82	Q8IXT1	S707	ILLKWGTSLAESHPS	77 / 9 AA	112
Phosphosite 3:	C21orf2	O43822	S76	LRRNRIPSLAELFYL	75 / 8 AA	28
Phosphosite 4:	KLKBL4	Q6PEW0	T265	EDYSKWITSKAERAG	75 / 8 AA	44
Phosphosite 5:	AMZ2	Q86W34	S62	SPSDWITSHPEAPQD	55 / 9 AA	41
Phosphosite 6:	AMZ2	Q86W34	T61	HSPSDWITSHPEAPQ	62 / 8 AA	41
Phosphosite 7:	LIPA	P38571	T97	ADSSNWVTNLANSSL	62 / 8 AA	45
Phosphosite 8:	LOC346157	Q9UJN7	S263	KAFSWISSLTEHQRT	62 / 8 AA	41
Phosphosite 9:	POU3F2	P20265	S386	PSAQEITSLADSLQL	85 / 7 AA	47
Phosphosite 10:	ZNF713	Q8N859	S343	KAFSRITSLTEHHRL	62 / 8 AA	50
Phosphosite 11:	ZNF713	Q8N859	T342	GKAFSRITSLTEHHR	62 / 8 AA	50
Phosphosite 12:	C11orf82	Q8IXT1	T706	DILLKWGTSLAESHP	75 / 8 AA	112
Phosphosite 13:	LRRC8D	Q7L1W4	S789	LGQNCITSLPEKVGQ	75 / 8 AA	98
Phosphosite 14:	GAA	P10253	T258	SLPSQYITGLAEHLS	71 / 7 AA	105
Phosphosite 15:	ASTN1	O14525	S924	TFPEYITSLSDSGTK	62 / 8 AA	145
Phosphosite 16:	FASTK	Q14296	S226	PRQHLISSLAEARPE	55 / 9 AA	61
Phosphosite 17:	FASTK	Q14296	S225	YPRQHLISSLAEARP	62 / 8 AA	61
Phosphosite 18:	CNTLN	Q9NXG0	S1066	ESSSEITSLAEENSQ	100 / 6 AA	162
Phosphosite 19:	ephexin1	Q8N5V2	T594	SEMKRWMTSLAPNRR	83 / 6 AA	82
Phosphosite 20:	ephexin1	Q8N5V2	S595	EMKRWMTSLAPNRRT	83 / 6 AA	82