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:	S668
P-Site Sequence:	DATNILVSPLVYLYP
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	S668	DATNILVSPLVYLYP	100 / 9 AA	88
Phosphosite 1:	GPRASP1	Q5JY77	S119	SQTNIIASPLVSTDS	75 / 8 AA	157
Phosphosite 2:	RHBDL2	Q9NX52	S108	LDTGILESPFIYSPE	55 / 9 AA	34
Phosphosite 3:	PARP14	Q460N5	S458	AQKNIQVSPEIFQFL	55 / 9 AA	194
Phosphosite 4:	GTF2A1L	Q9UNN4	S220	ATSDILVSPGNEHKI	83 / 6 AA	52
Phosphosite 5:	SERPINI1	Q99574	S49	EDENILFSPLSIALA	85 / 7 AA	46
Phosphosite 6:	PDE6A	P16499	S180	KTKNILASPIMNGKD	55 / 9 AA	100
Phosphosite 7:	ZNF880	Q6PDB4	S144	PINNSLVSPLQKIYS	85 / 7 AA	67
Phosphosite 8:	KRBA1	A5PL33	S570	TRSLHLVSPQVFTSS	71 / 7 AA	108
Phosphosite 9:	SLAIN2	Q9P270	S169	TPMQKSVSPLVWCRQ	83 / 6 AA	63
Phosphosite 10:	SLAIN2	Q9P270	S147	TPMQKSVSPLVWCRQ	83 / 6 AA	63
Phosphosite 11:	NIPBL	Q6KC79	S63	CRDDNLVSQLVHSLN	55 / 9 AA	316
Phosphosite 12:	KNL2	Q6P0N0	T653	KKAYILVTPLKSRKV	83 / 6 AA	129
Phosphosite 13:	RHBDL1	O75783	Y237	YMKSPLVYHPGHRAR	100 / 5 AA	48
Phosphosite 14:	VWF	P04275	S600	EACHRAVSPLPYLRN	55 / 9 AA	309
Phosphosite 15:	INTS2	Q9H0H0	S120	SGESILVSQLQHGLT	55 / 9 AA	134
Phosphosite 16:	PTGES2	Q9H7Z7	S247	DWLVHLISPNVYRTP	71 / 7 AA	42
Phosphosite 17:	RRP1B	Q14684	S706	TDKSILVSPTGPSRV	83 / 6 AA	84
Phosphosite 18:	LRRK2	Q5S007	S633	LLAKILVSSLYRFKD	71 / 7 AA	286
Phosphosite 19:	HGF	P14210	S568	CKQVLNVSQLVYGPE	83 / 6 AA	83
Phosphosite 20:	Rb	P06400	Y805	RIPGGNIYISPLKSP	71 / 7 AA	106