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:	S538
P-Site Sequence:	LVENPYFSSWPPSGT
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	S538	LVENPYFSSWPPSGT	100 / 9 AA	92
Phosphosite 1:	PTPN22	Q9Y2R2	S539	VENPYFSSWPPSGTS	100 / 8 AA	92
Phosphosite 2:	PTPN22	Q9Y2R2	Y536	IPLVENPYFSSWPPS	100 / 7 AA	92
Phosphosite 3:	IRF-2	P14316	S303	SNPVPYNSSWPPFQD	87 / 8 AA	39
Phosphosite 4:	IRF-2	P14316	S304	NPVPYNSSWPPFQDL	87 / 8 AA	39
Phosphosite 5:	ING1	Q9UK53	S86	ALRCGWFSSWPPPSK	85 / 7 AA	47
Phosphosite 6:	ING1	Q9UK53	S87	LRCGWFSSWPPPSKS	85 / 7 AA	47
Phosphosite 7:	ZGPAT	Q8N5A5	S140	KVSAPYYSSWGTLEY	83 / 6 AA	57
Phosphosite 8:	ZGPAT	Q8N5A5	Y138	GTKVSAPYYSSWGTL	83 / 6 AA	57
Phosphosite 9:	ZGPAT	Q8N5A5	Y139	TKVSAPYYSSWGTLE	83 / 6 AA	57
Phosphosite 10:	GDAP2	Q9NXN4	T489	RENGPYYTSYPPSPD	55 / 9 AA	56
Phosphosite 11:	BMAL1	O00327	S290	HSTGYLKSWPPTKMG	71 / 7 AA	69
Phosphosite 12:	HAND1	O96004	Y41	RCHQERPYFQSWLLS	83 / 6 AA	24
Phosphosite 13:	MAN2B1	O00754	S393	QFWTGYFSSRPALKR	71 / 7 AA	114
Phosphosite 14:	GDAP2	Q9NXN4	S490	ENGPYYTSYPPSPDL	62 / 8 AA	56
Phosphosite 15:	USP53	Q70EK8	S626	SSKDPSFSNWPKENP	62 / 8 AA	121
Phosphosite 16:	GLI2	P10070	Y829	RSSGISPYFSSRRSS	71 / 7 AA	168
Phosphosite 17:	NRG3	P56975	Y578	PSRETNPYFNSLEQK	71 / 7 AA	78
Phosphosite 18:	SERPINB10	P48595	S31	QGKNIFFSSWSISTS	62 / 8 AA	45
Phosphosite 19:	HAND1	O96004	S44	QERPYFQSWLLSPAD	83 / 6 AA	24
Phosphosite 20:	GLI2	P10070	S831	SGISPYFSSRRSSEA	62 / 8 AA	168