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:	S267
P-Site Sequence:	ANMSHNKSFFALELA
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	S267	ANMSHNKSFFALELA	100 / 9 AA	133
Phosphosite 1:	ARHGDIB	P52566	S176	RGTYHNKSFFTDDDK	85 / 7 AA	23
Phosphosite 2:	POLK	Q9UBT6	S566	LEMSHKKSFFDKKRS	75 / 8 AA	99
Phosphosite 3:	ELYS	Q8WYP5	Y427	EYLHNCSYFALWSLE	75 / 8 AA	252
Phosphosite 4:	RUFY1	Q96T51	S172	SFIGQNKSFFGPLEL	62 / 8 AA	80
Phosphosite 5:	CMYA3	A4UGR9	S2750	QEITQNKSFFSSVKE	62 / 8 AA	382
Phosphosite 6:	DHX9	Q08211	S210	VGPDHNRSFIAEMTI	71 / 7 AA	141
Phosphosite 7:	SNX26	O14559	T593	PGGSSWKTFFALGRG	66 / 9 AA	137
Phosphosite 8:	GVIN1	Q7Z2Y8	S81	LNLSHSKSLSALLQE	66 / 9 AA	279
Phosphosite 9:	BROMI	Q96NH3	S789	IDRSCQKSFLALVNL	66 / 9 AA	145
Phosphosite 10:	ABCA13	Q86UQ4	Y2439	HSPNKDFYALYPTLQ	71 / 7 AA	576
Phosphosite 11:	EPPK1	P58107	S275	LPEGHKKSFFQAATE	71 / 7 AA	553
Phosphosite 12:	Myc	P01106	S373	RRNELKRSFFALRDQ	71 / 7 AA	49
Phosphosite 13:	AFF2	P51816	S543	KVTSQNKSFICGQNE	71 / 7 AA	145
Phosphosite 14:	RUFY3	Q7L099	S128	TFLGQNKSFWGPLEL	50 / 8 AA	53
Phosphosite 15:	DOPEY2	Q9Y3R5	S956	RVTSHNRSFDRSLFV	83 / 6 AA	258
Phosphosite 16:	JRK	O75564	S366	PVKPHNKSFAHILEL	83 / 6 AA	57
Phosphosite 17:	ALS2CR12	Q96Q35	S76	RQEETNKSFYEVINV	57 / 7 AA	52
Phosphosite 18:	CANP	Q6SJ93	S11	MKTEENKSFSAMEDD	62 / 8 AA	85
Phosphosite 19:	TAF1L	Q8IZX4	S926	DAGYGEKSFFAPEEE	83 / 6 AA	207
Phosphosite 20:	TAF1	P21675	S907	DAGYGEKSFFAPEEE	83 / 6 AA	213