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:	PTPN21
Human P-Site:	S233
P-Site Sequence:	DSQGSDISIGACLEG
UniProt:	Q16825
Intern. Prot. ID:	IPI00004388

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PTPN21	Q16825	S233	DSQGSDISIGACLEG	100 / 9 AA	133
Phosphosite 1:	HLA-A	P30455	S359	SAQGSDVSLTACKV_	66 / 9 AA	41
Phosphosite 2:	HLA-A	P10316	S359	SAQGSDVSLTACKV_	66 / 9 AA	41
Phosphosite 3:	HLA-A	P04439	S359	SAQGSDVSLTACKV_	66 / 9 AA	41
Phosphosite 4:	HLAA	P01892	S359	SAQGSDVSLTACKV_	66 / 9 AA	41
Phosphosite 5:	HLA-A	P01891	S359	SAQGSDVSLTACKV_	66 / 9 AA	41
Phosphosite 6:	HLA-A	P30512	S359	SAQGSDMSLTACKV_	66 / 9 AA	41
Phosphosite 7:	HLA-A	P30459	S359	SAQGSDMSLTACKV_	66 / 9 AA	41
Phosphosite 8:	HLA-A	P30457	S359	SAQGSDMSLTACKV_	66 / 9 AA	41
Phosphosite 9:	HLA-A	P30456	S359	SAQGSDMSLTACKV_	66 / 9 AA	41
Phosphosite 10:	HLA-A	P30453	S359	SAQGSDMSLTACKV_	66 / 9 AA	41
Phosphosite 11:	HLA-A	P30450	S359	SAQGSDMSLTACKV_	66 / 9 AA	41
Phosphosite 12:	HLA-A	P18462	S359	SAQGSDMSLTACKV_	66 / 9 AA	41
Phosphosite 13:	HLA-A	P16190	S359	SAQGSDMSLTACKV_	66 / 9 AA	41
Phosphosite 14:	HLA-A	P16189	S359	SAQGSDMSLTACKV_	66 / 9 AA	41
Phosphosite 15:	HLA-A	P10314	S359	SAQGSDMSLTACKV_	66 / 9 AA	41
Phosphosite 16:	PCCA	P05165	S414	DSGIQPGSDISIYYD	100 / 6 AA	77
Phosphosite 17:	PTPN21	Q16825	S230	PAKDSQGSDISIGAC	100 / 6 AA	133
Phosphosite 18:	CDK11	Q9BWU1	S60	QIEGTGISMSACREI	55 / 9 AA	57
Phosphosite 19:	COL12A1	Q99715	S920	TKDITDTSIGAYWTS	62 / 8 AA	333
Phosphosite 20:	Abl	P00519	S642	EEEGRDISNGALAFT	75 / 8 AA	123