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:	S820
P-Site Sequence:	SLKKRPVSDLLSGKK
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	S820	SLKKRPVSDLLSGKK	100 / 9 AA	133
Phosphosite 1:	MYCBPAP	Q8TBZ2	S231	EHLKKPVSELLMHTG	75 / 8 AA	108
Phosphosite 2:	IMPG1	Q17R60	S320	AEAKSPASDLLSFDS	77 / 9 AA	89
Phosphosite 3:	FEM1B	Q9UK73	S547	VQYNRPISDFLTLHS	55 / 9 AA	70
Phosphosite 4:	TBCE	Q15813	S487	RLLKVPVSDLLLSYE	87 / 8 AA	59
Phosphosite 5:	PTPN14	Q15678	S831	PVKERPVSEMFSLED	62 / 8 AA	135
Phosphosite 6:	HACE1	Q8IYU2	S47	ADQHRSVSELLSNSK	75 / 8 AA	102
Phosphosite 7:	DNMT3B	Q9UBC3	S61	RLSKREVSSLLSYTQ	77 / 9 AA	96
Phosphosite 8:	TTN	Q8WZ42	S33214	IELMRPVSELIRSRP	62 / 8 AA	3816
Phosphosite 9:	TSG101	Q99816	S122	HEWKHPQSDLLGLIQ	66 / 9 AA	44
Phosphosite 10:	C9orf30	Q96H12	S98	EKVKRSVSPLLSTHV	77 / 9 AA	32
Phosphosite 11:	UBTF	P17480	S412	EKPKRPVSAMFIFSE	62 / 8 AA	89
Phosphosite 12:	GPAM	Q9HCL2	S419	SQSQKPVSALLSLEQ	66 / 9 AA	94
Phosphosite 13:	NAP5	O14513	T263	FQQRVRPTSDLLLQK	85 / 7 AA	209
Phosphosite 14:	NAP5	O14513	S264	QQRVRPTSDLLLQKL	85 / 7 AA	209
Phosphosite 15:	BICD1	Q96G01	S315	GESLNPVSDLFSELN	85 / 7 AA	111
Phosphosite 16:	TOX	O94900	S241	GGEKRPASDMGKKPK	71 / 7 AA	58
Phosphosite 17:	INTS8	Q75QN2	S636	QAGERPPSDLISRVR	75 / 8 AA	113
Phosphosite 18:	KDELC2	Q7Z4H8	S421	VPIKRNLSDLLEKVK	75 / 8 AA	59
Phosphosite 19:	PLEKHG1	Q9ULL1	S828	SMPHKPVSDKLSEEV	75 / 8 AA	155
Phosphosite 20:	UHRF2	Q96PU4	S667	GTTKRPISDDDCPSA	83 / 6 AA	90