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:	T915
P-Site Sequence:	LVDGECSTARLPENA
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	T915	LVDGECSTARLPENA	100 / 9 AA	133
Phosphosite 1:	RTP2	Q5QGT7	T101	QLCYECGTARLDESS	85 / 7 AA	26
Phosphosite 2:	RTP1	P59025	T137	QLCYECGTARLDESS	85 / 7 AA	31
Phosphosite 3:	PDPR	Q8NCN5	S577	GGYENDCSIARLNKR	62 / 8 AA	99
Phosphosite 4:	SKA3	Q8IX90	T22	ASTLDCETARLQRAL	62 / 8 AA	46
Phosphosite 5:	SPHK1IP	Q2M3C7	S96	DVNKDECSTEHLQQK	62 / 8 AA	186
Phosphosite 6:	HUWE1	Q7Z6Z7	T4332	IHRDDRSTDRLPSAH	55 / 9 AA	482
Phosphosite 7:	NBR1	Q14596	T277	FCHSKYSTPRLPAAL	55 / 9 AA	107
Phosphosite 8:	Dact3	Q96B18	S525	AGSDSECSAGRLGPL	71 / 7 AA	65
Phosphosite 9:	ING1	Q9UK53	S157	ARGRGCSSDRLPRPA	71 / 7 AA	47
Phosphosite 10:	C15orf27	Q2M3C6	S412	LGSSMDCSTAREEPS	83 / 6 AA	58
Phosphosite 11:	PITPNM1	O00562	S682	EAPDGPSSTARLDFK	75 / 8 AA	135
Phosphosite 12:	C15orf27	Q2M3C6	T413	GSSMDCSTAREEPSS	83 / 6 AA	58
Phosphosite 13:	MIER1	Q8N108	T102	SLYGYGSTVRLPEED	66 / 9 AA	61
Phosphosite 14:	PLAC1L	Q86WS3	S113	QEIHLECSTSRKSVW	83 / 6 AA	18
Phosphosite 15:	PLAC1L	Q86WS3	S115	IHLECSTSRKSVWLT	83 / 6 AA	18
Phosphosite 16:	PLAC1L	Q86WS3	T114	EIHLECSTSRKSVWL	83 / 6 AA	18
Phosphosite 17:	FST	P19883	T58	SKEECCSTGRLSTSW	71 / 7 AA	38
Phosphosite 18:	ANKRD3	P57078	T700	AETGHTSTARLLLHR	75 / 8 AA	92
Phosphosite 19:	FST	P19883	S57	LSKEECCSTGRLSTS	83 / 6 AA	38
Phosphosite 20:	GLOD4	Q9HC38	S35	GMKVESCSVARLECS	83 / 6 AA	35