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:	S504
P-Site Sequence:	REHAQLPSPAAAHCP
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	S504	REHAQLPSPAAAHCP	100 / 9 AA	133
Phosphosite 1:	MACF1	Q9UPN3	S3850	ALIAQLPSPAIDHEQ	100 / 7 AA	620
Phosphosite 2:	MACF1	Q96PK2	S4352	ALIAQLPSPAIDHEQ	100 / 7 AA	670
Phosphosite 3:	hnRNP K	P61978	S116	EEGLQLPSPTATSQL	75 / 8 AA	51
Phosphosite 4:	TRIOBP	Q9H2D6	S1656	QSPVQLPSPACTSTQ	66 / 9 AA	261
Phosphosite 5:	PTGFR	P43088	S11	NNSKQLVSPAAALLS	87 / 8 AA	40
Phosphosite 6:	MICALL2	Q8IY33	S143	VQAAKLPSPAPARKP	77 / 9 AA	98
Phosphosite 7:	TTLL3	Q9Y4R7	S581	HTKAQLPSPHVLRHQ	100 / 6 AA	87
Phosphosite 8:	GPR111	Q8IZF7	S70	VQLDQLPSPNAVSSD	75 / 8 AA	79
Phosphosite 9:	CNTNAP1	P78357	T1344	SGPAQVPTPTAAPNQ	66 / 9 AA	156
Phosphosite 10:	AHNAK2	Q8IVF2	S4913	LPSTQLPSPGTCVSQ	62 / 8 AA	617
Phosphosite 11:	C1orf69	Q5T440	S82	TNELPLPSPAAAGAP	100 / 7 AA	38
Phosphosite 12:	MAP1A	P78559	S2182	PAPPQLPSPAEPRSA	85 / 7 AA	306
Phosphosite 13:	KCNH2	Q12809	S250	SAPGQLPSPRAHSLN	75 / 8 AA	127
Phosphosite 14:	MYO18B	Q8IUG5	S2245	LSREKLPSPSAALSE	75 / 8 AA	285
Phosphosite 15:	PLCD4	Q9BRC7	S422	VLPTQLPSPEELRRK	62 / 8 AA	88
Phosphosite 16:	HIVEP3	Q5T1R4	S830	KPLAQFPSPPPAPHG	66 / 9 AA	259
Phosphosite 17:	SLFN12L	Q6IEE8	S403	PVCEELPSPASTSSP	55 / 9 AA	62
Phosphosite 18:	MLL2	O14686	S4050	KRPSQLPSPSSQLPT	62 / 8 AA	564
Phosphosite 19:	MACC1	Q6ZN28	S357	AQAKALPSPAATIWD	85 / 7 AA	97
Phosphosite 20:	TACC2	O95359	S1562	ELASGLPSPAATQEL	85 / 7 AA	309