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:	Y68
P-Site Sequence:	KDILPYDYSRVELSL
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	Y68	KDILPYDYSRVELSL	100 / 9 AA	92
Phosphosite 1:	CD45	P08575	Y689	VDILPYDYNRVELSE	88 / 9 AA	150
Phosphosite 2:	PTPN22	Q9Y2R2	Y66	RYKDILPYDYSRVEL	100 / 7 AA	92
Phosphosite 3:	CD45	P08575	Y980	SNVIPYDYNRVPLKH	75 / 8 AA	150
Phosphosite 4:	PTPRO	Q16827	Y974	RYTNILPYDFSRVRL	85 / 7 AA	138
Phosphosite 5:	ALKBH3	Q96Q83	Y143	YGELPYTYSRITMEP	75 / 8 AA	33
Phosphosite 6:	CD45	P08575	Y687	RYVDILPYDYNRVEL	85 / 7 AA	150
Phosphosite 7:	PTPRH	Q9HD43	Y856	RYRNVLPYDWSRVPL	85 / 7 AA	122
Phosphosite 8:	PTPN3	P26045	T684	KDVLPYDTTRVLLQG	75 / 8 AA	104
Phosphosite 9:	PTPRH	Q9HD43	S859	NVLPYDWSRVPLKPI	85 / 7 AA	122
Phosphosite 10:	Smad5	Q99717	Y128	VCINPYHYKRVESPV	75 / 8 AA	52
Phosphosite 11:	SMAD1	Q15797	Y127	VCINPYHYKRVESPV	75 / 8 AA	52
Phosphosite 12:	FEM1A	Q9BSK4	Y350	QLVLAYDYSREVNTT	85 / 7 AA	74
Phosphosite 13:	Smad8	O15198	Y131	VCINPYHYRRVETPV	75 / 8 AA	52
Phosphosite 14:	PTPRA	P18433	Y277	RYVNILPYDHSRVHL	85 / 7 AA	91
Phosphosite 15:	SOD2	P04179	Y35	LPDLPYDYGALEPHI	66 / 9 AA	25
Phosphosite 16:	PTPRA	P18433	S280	NILPYDHSRVHLTPV	85 / 7 AA	91
Phosphosite 17:	SEC14L5	O43304	Y584	GWVLGRDYSRVEAPL	77 / 9 AA	79
Phosphosite 18:	PTPN20A	Q4JDL3	S197	RDILPYDSTRVPLGK	75 / 8 AA	48
Phosphosite 19:	Smad2	Q15796	Y167	VCVNPYHYQRVETPV	75 / 8 AA	52
Phosphosite 20:	SMAD3	P84022	Y127	VCVNPYHYQRVETPV	75 / 8 AA	48