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:	PTPN22
Human P-Site:	S781
P-Site Sequence:	SVQSNNSSSFLNFGF
UniProt:	Q9Y2R2
Intern. Prot. ID:	IPI00298016

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PTPN22	Q9Y2R2	S781	SVQSNNSSSFLNFGF	100 / 9 AA	92
Phosphosite 1:	PTPN22	Q9Y2R2	S782	VQSNNSSSFLNFGFA	100 / 8 AA	92
Phosphosite 2:	PTPN22	Q9Y2R2	S780	ESVQSNNSSSFLNFG	100 / 8 AA	92
Phosphosite 3:	PLEKHG3	A1L390	S67	NSNNNSSSWLNVKGP	87 / 8 AA	134
Phosphosite 4:	PACS1	Q6VY07	S682	SVDSKYSSSFLDSGW	66 / 9 AA	105
Phosphosite 5:	RNASEN	Q9NRR4	S191	SFQNNPSSFLPSANN	85 / 7 AA	159
Phosphosite 6:	TTC14	Q96N46	S546	VPANTSASFLNHKQE	75 / 8 AA	88
Phosphosite 7:	JMJD1A	Q9Y4C1	S882	TPVSNNNSGFLRNLL	75 / 8 AA	147
Phosphosite 8:	KIRREL3	Q8IZU9	S721	GSLSDSSSFLDTQCD	71 / 7 AA	85
Phosphosite 9:	KIRREL3	Q8IZU9	S720	RGSLSDSSSFLDTQC	71 / 7 AA	85
Phosphosite 10:	IQSEC2	Q5JU85	S1191	SQRPVSNSSSFLGSL	100 / 6 AA	162
Phosphosite 11:	SERPINA7	P05543	S222	DPSKTEDSSSFLIDK	62 / 8 AA	46
Phosphosite 12:	SNX19	Q92543	S354	RKVGNNSSHFLQPNL	75 / 8 AA	109
Phosphosite 13:	SNX19	Q92543	S353	ERKVGNNSSHFLQPN	75 / 8 AA	109
Phosphosite 14:	AhR (aryl hydrocarbon receptor)	P35869	S232	RCLLDNSSGFLAMNF	71 / 7 AA	96
Phosphosite 15:	IQSEC2	Q5JU85	S1193	RPVSNSSSFLGSLFG	100 / 6 AA	162
Phosphosite 16:	PLEKHG3	A1L390	S65	LPNSNNNSSSWLNVK	85 / 7 AA	134
Phosphosite 17:	ARID1B	Q8NFD5	S975	QPMNNSSSLMNTQAP	75 / 8 AA	236
Phosphosite 18:	ATP2C1	P98194	S914	KHVSSTSSSFLEV__	66 / 9 AA	101
Phosphosite 19:	SERPINA7	P05543	S224	SKTEDSSSFLIDKTT	71 / 7 AA	46
Phosphosite 20:	SEMA3A	Q14563	T593	YGVENSSTFLECSPK	62 / 8 AA	89