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:	S520
P-Site Sequence:	SLSYSFHSPSPYPYP
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	S520	SLSYSFHSPSPYPYP	100 / 9 AA	133
Phosphosite 1:	PTPN21	Q16825	S522	SYSFHSPSPYPYPAE	100 / 7 AA	133
Phosphosite 2:	CDK12	Q9NYV4	S323	SGSYSGRSPSPYGRR	77 / 9 AA	164
Phosphosite 3:	KIF13B	Q9NQT8	S661	MDRFSFHSPSAQQRL	75 / 8 AA	203
Phosphosite 4:	UNG	P13051	S12	KTLYSFFSPSPARKR	87 / 8 AA	35
Phosphosite 5:	PTPN21	Q16825	S517	CPFSLSYSFHSPSPY	100 / 6 AA	133
Phosphosite 6:	NXPH2	O95156	S256	CPDYNYHSETPYLSS	55 / 9 AA	30
Phosphosite 7:	C7orf29	Q96FA7	S119	VSEYSLNSPSPLQSP	75 / 8 AA	26
Phosphosite 8:	Wnk2	Q9Y3S1	S1912	ISVTSFHSQSSYISS	75 / 8 AA	243
Phosphosite 9:	SNX25	Q9H3E2	S622	EALYAFLSPSPDYLK	75 / 8 AA	98
Phosphosite 10:	SPATA6	Q9NWH7	S219	SSKSHSPSPYTKRRM	100 / 6 AA	56
Phosphosite 11:	TRA2A	Q13595	S260	DYRYRRRSPSPYYSR	66 / 9 AA	33
Phosphosite 12:	TRA2B	P62995	S264	DQIYRRRSPSPYYSR	66 / 9 AA	34
Phosphosite 13:	SPATA6	Q9NWH7	S217	TISSKSHSPSPYTKR	100 / 6 AA	56
Phosphosite 14:	SYT12	Q8IV01	S50	WTSGSFPSPSPFPNY	75 / 8 AA	47
Phosphosite 15:	MLL2	O14686	S2171	PVTPRFQSPDPYSRP	71 / 7 AA	564
Phosphosite 16:	ZC3HDC5	Q9C0B0	S574	GSSASFHSASPSPPV	85 / 7 AA	88
Phosphosite 17:	UBN2	Q6ZU65	S764	DEDLSFHSPSLDLVS	85 / 7 AA	146
Phosphosite 18:	OSGIN1	Q9UJX0	S434	MREQSILSPSPYEGY	75 / 8 AA	61
Phosphosite 19:	KIF13B	Q9NQT8	S658	CRSMDRFSFHSPSAQ	83 / 6 AA	203
Phosphosite 20:	SEC23B	Q15437	S629	QPILYSYSFHGPPEP	83 / 6 AA	86