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:	S522
P-Site Sequence:	SYSFHSPSPYPYPAE
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	S522	SYSFHSPSPYPYPAE	100 / 9 AA	133
Phosphosite 1:	PTPN21	Q16825	S520	SLSYSFHSPSPYPYP	100 / 7 AA	133
Phosphosite 2:	PTPN21	Q16825	Y524	SFHSPSPYPYPAERR	100 / 7 AA	133
Phosphosite 3:	ATXN2L	Q8WWM7	Y1021	SASTPSPYPYIGHPQ	85 / 7 AA	113
Phosphosite 4:	Per1	O15534	S932	NYLFPTPSSYPYGAL	66 / 9 AA	136
Phosphosite 5:	ATXN2L	Q8WWM7	S1019	ALSASTPSPYPYIGH	85 / 7 AA	113
Phosphosite 6:	GRINA	Q7Z429	S62	PGYPHGPSPYPQGGY	85 / 7 AA	41
Phosphosite 7:	SYT12	Q8IV01	S52	SGSFPSPSPFPNYDY	66 / 9 AA	47
Phosphosite 8:	SPATA6	Q9NWH7	S219	SSKSHSPSPYTKRRM	100 / 6 AA	56
Phosphosite 9:	SPATA6	Q9NWH7	S217	TISSKSHSPSPYTKR	100 / 6 AA	56
Phosphosite 10:	ZNF788	Q6ZQV5	S375	GKVFHSPSSFQTCER	62 / 8 AA	72
Phosphosite 11:	ZNF788	Q6ZQV5	S373	IRGKVFHSPSSFQTC	71 / 7 AA	72
Phosphosite 12:	HSD3B2	P26439	T152	PLENTWPTPYPYSKK	71 / 7 AA	42
Phosphosite 13:	HSD3B2	P26439	Y154	ENTWPTPYPYSKKLA	71 / 7 AA	42
Phosphosite 14:	USP6NL	Q92738	S800	AAEDASPSGYPYSGP	85 / 7 AA	94
Phosphosite 15:	USP6NL	Q92738	Y802	EDASPSGYPYSGPPP	85 / 7 AA	94
Phosphosite 16:	NFAT5	O94916	S1095	TQGSLFHSPNPIVHS	71 / 7 AA	166
Phosphosite 17:	FASN	P49327	S361	APNLHFHSPNPEIPA	83 / 6 AA	273
Phosphosite 18:	ZNF366	Q8N895	T172	TPTPFLPTPYPYYPK	83 / 6 AA	85
Phosphosite 19:	MAPKAPK5	Q8IW41	Y216	IPTSPTPYTYNKSCD	71 / 7 AA	54
Phosphosite 20:	Per1	O15534	Y934	LFPTPSSYPYGALQT	71 / 7 AA	136