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:	Y337
P-Site Sequence:	SLPKPQPYVMPPPPQ
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	Y337	SLPKPQPYVMPPPPQ	100 / 9 AA	133
Phosphosite 1:	ELF1	P32519	Y592	TEQQPQPYVMVVSSS	85 / 7 AA	67
Phosphosite 2:	PTPN14	Q15678	Y335	SLPRQQPYILPPVHV	55 / 9 AA	135
Phosphosite 3:	GAGE12J	A6NER3	Y17	YWPRPRPYVQPPEMI	66 / 9 AA	13
Phosphosite 4:	CEP350	Q5VT06	Y799	LTFTPQPYVTSPAAY	66 / 9 AA	351
Phosphosite 5:	p47phox	P14598	Y139	QTKKPETYLMPKDGK	62 / 8 AA	45
Phosphosite 6:	p47phox	P14598	T138	NQTKKPETYLMPKDG	62 / 8 AA	45
Phosphosite 7:	NCF1C	A8MVU1	Y115	QTKKPETYLMPKDGK	62 / 8 AA	42
Phosphosite 8:	NCF1B	A6NI72	Y140	QTKKPETYLMPKDGK	62 / 8 AA	45
Phosphosite 9:	NDUFB9	Q9Y6M9	Y80	YRQHPQPYIFPDSPG	71 / 7 AA	22
Phosphosite 10:	C5orf48	Q6ZNM6	Y49	QGMIPRRYVMPWKEN	71 / 7 AA	15
Phosphosite 11:	DDN	O94850	Y227	RWDRPPPYVAPPSYE	66 / 9 AA	76
Phosphosite 12:	PTPN21	Q16825	Y409	SLNNPQPYLQPSPMS	62 / 8 AA	133
Phosphosite 13:	BCL9	O00512	Y993	SLPSSTPYTMPPEPT	83 / 6 AA	149
Phosphosite 14:	TTN	Q8WZ42	Y32963	LSRWEQFYVMPLPRI	83 / 6 AA	3816
Phosphosite 15:	BCL9	O00512	T994	LPSSTPYTMPPEPTL	83 / 6 AA	149
Phosphosite 16:	PRR22	Q8IZ63	Y119	YLLEPQPYLKAPGLP	62 / 8 AA	44
Phosphosite 17:	IL28RA	Q8IU57	Y343	DGVSFQPYIEPPSFL	71 / 7 AA	58
Phosphosite 18:	AMPD3	Q01432	Y125	SLPTPAPYAMPEFQR	62 / 8 AA	89
Phosphosite 19:	RBMS1	P29558	Y312	SWMQPQPYILQHPGA	57 / 7 AA	45
Phosphosite 20:	TAF4	O00268	Y652	LNSSPQPYLVPFLKR	71 / 7 AA	110