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:	PTPN22
Human P-Site:	S550
P-Site Sequence:	SGTSSKMSLDLPEKQ
UniProt:	Q9Y2R2
Intern. Prot. ID:	IPI00298016

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PTPN22	Q9Y2R2	S550	SGTSSKMSLDLPEKQ	100 / 9 AA	92
Phosphosite 1:	CELSR3	Q9NYQ7	S1664	VQTSSKKSLDLTGPL	87 / 8 AA	358
Phosphosite 2:	STK31	Q9BXU1	T264	GHLSEKMTLDLKDEN	75 / 8 AA	116
Phosphosite 3:	MAST2	Q6P0Q8	S1429	LATSRKHSLDLPHSE	77 / 9 AA	196
Phosphosite 4:	EGR2	P11161	S70	DMTGEKRSLDLPYPS	85 / 7 AA	50
Phosphosite 5:	Transmembrane protein ENSP00000382582	A8MUB7	S1050	FMRSKKKSLNLPLRM	66 / 9 AA	126
Phosphosite 6:	PRKAA1	Q13131	S459	TSTYSKMSLQLYQVD	85 / 7 AA	64
Phosphosite 7:	RGS8	P57771	Y168	RFLRSKMYLDLLSQS	75 / 8 AA	21
Phosphosite 8:	ERCC6	Q03468	S753	MKSDVKMSLSLPDKN	85 / 7 AA	168
Phosphosite 9:	SYNE2	Q8WXH0	S705	VEFSTDMSVELPENY	55 / 9 AA	796
Phosphosite 10:	ASPA	P45381	S83	ENLGKKMSEDLPYEV	85 / 7 AA	36
Phosphosite 11:	CCDC83	Q8IWF9	S283	EVPPEEMSLELPETH	71 / 7 AA	49
Phosphosite 12:	ERCC6	Q03468	S755	SDVKMSLSLPDKNEQ	85 / 7 AA	168
Phosphosite 13:	CELSR1	Q9NYQ6	S1591	TQTGSKKSLDLTGPL	75 / 8 AA	329
Phosphosite 14:	CELSR2	Q9HCU4	S1516	TQGGSKKSLDLTGPL	75 / 8 AA	317
Phosphosite 15:	C14orf73	Q17RC7	S605	MHGSQKMSLDAQAIS	85 / 7 AA	80
Phosphosite 16:	UHRF1BP1L	A0JNW5	S1112	KRSSSQMSLDTISLD	85 / 7 AA	164
Phosphosite 17:	TOPBP1	Q92547	S998	HTYNPKMSLDISAVQ	62 / 8 AA	171
Phosphosite 18:	ASPHD2	Q6ICH7	S28	SKDSPKMSLEWLVAW	62 / 8 AA	42
Phosphosite 19:	H6PD	O95479	S730	SQPHRRMSLSLPLIN	71 / 7 AA	89
Phosphosite 20:	ZNF420	Q8TAQ5	S44	ENYSNLVSLDLPSRC	66 / 9 AA	80