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:	S681
P-Site Sequence:	SKSVKLRSPKSELHQ
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	S681	SKSVKLRSPKSELHQ	100 / 9 AA	92
Phosphosite 1:	SNX26	O14559	S633	PDTVTLRSAKSEESL	77 / 9 AA	137
Phosphosite 2:	CPNE4	Q96A23	S492	GDDGILRSPKGEPVL	85 / 7 AA	62
Phosphosite 3:	RICS	A7KAX9	S703	RAEGTLRSAKSEESL	85 / 7 AA	231
Phosphosite 4:	CCDC28A	Q8IWP9	S100	ERKVKRRSPKSFSAH	87 / 8 AA	30
Phosphosite 5:	FSIP2	Q5CZC0	S440	YSYPKLRSCKSDSHL	75 / 8 AA	370
Phosphosite 6:	SR140	O15042	S948	GRRVKSPSPKSERSE	77 / 9 AA	118
Phosphosite 7:	SIPA1L2	Q9P2F8	T297	SLFRKLRTVKSEHET	75 / 8 AA	190
Phosphosite 8:	PTPN22	Q9Y2R2	S684	VKLRSPKSELHQDRS	100 / 6 AA	92
Phosphosite 9:	SIPA1L3	O60292	S308	IFRKLRSSKPEGEAG	75 / 8 AA	195
Phosphosite 10:	CPNE7	Q9UBL6	S567	GDDGVLRSPRGEPAL	71 / 7 AA	70
Phosphosite 11:	WDR52	Q96MT7	S28	GKKSLRSSKSESRSP	85 / 7 AA	112
Phosphosite 12:	WDR52	Q96MT7	S27	DGKKSLRSSKSESRS	85 / 7 AA	112
Phosphosite 13:	SIPA1L3	O60292	S307	SIFRKLRSSKPEGEA	75 / 8 AA	195
Phosphosite 14:	PELP1	Q8IZL8	S477	ADALKLRSPRGSPDG	62 / 8 AA	120
Phosphosite 15:	CNBD1	Q8NA66	S381	IGFVKLRSNKVKRSQ	85 / 7 AA	50
Phosphosite 16:	MTFR1	Q15390	S252	MNSVKLRSVKRSEQD	85 / 7 AA	37
Phosphosite 17:	APC	P25054	S89	FPGVKLRSKMSLRSY	75 / 8 AA	312
Phosphosite 18:	GNAS	O95467	S170	LHALKLRSPDASPSR	83 / 6 AA	28
Phosphosite 19:	Fer	P16591	S434	SIAGIIRSPKSALGS	71 / 7 AA	95
Phosphosite 20:	RANBP9	Q96S59	S467	VRCLGGRSPKSQDSY	83 / 6 AA	78