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:	USP4
Human P-Site:	Y505
P-Site Sequence:	PHCRPTQYRVTVPLM
UniProt:	Q13107
Intern. Prot. ID:	IPI00011836

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	USP4	Q13107	Y505	PHCRPTQYRVTVPLM	100 / 9 AA	109
Phosphosite 1:	USP4	Q13107	T503	ADPHCRPTQYRVTVP	100 / 7 AA	109
Phosphosite 2:	C1orf106	Q3KP66	Y429	PRRRPTHYTVTVPDS	77 / 9 AA	73
Phosphosite 3:	PKP4	Q99569	Y487	EPYRPIQYRVQECNY	85 / 7 AA	134
Phosphosite 4:	PTPRD	P23468	Y683	QLEKWTEYRITVTAH	71 / 7 AA	215
Phosphosite 5:	PTPRQ	Q9UMZ3	Y1415	ANGIITQYMVTVERN	85 / 7 AA	261
Phosphosite 6:	polycystin 1	P98161	Y2120	SYLRPGDYRVQVNAS	66 / 9 AA	463
Phosphosite 7:	C1orf106	Q3KP66	T430	RRRPTHYTVTVPDSC	75 / 8 AA	73
Phosphosite 8:	LCOR	Q96JN0	Y119	RPGRPSQYRPDGLRS	83 / 6 AA	47
Phosphosite 9:	LCOR	Q96JN0	S117	NGRPGRPSQYRPDGL	83 / 6 AA	47
Phosphosite 10:	polycystin 1	P98161	S699	AGPPAQYSVTLHGQD	62 / 8 AA	463
Phosphosite 11:	REV3	O60673	Y2561	VLTRGSQYRVESMML	71 / 7 AA	353
Phosphosite 12:	PTPRS	Q13332	Y692	ALEKWTQYRITTVAH	83 / 6 AA	217
Phosphosite 13:	KIAA0907	Q7Z7F0	Y409	VPPVPTQYPITQVQP	71 / 7 AA	65
Phosphosite 14:	C17orf74	Q0P670	T102	QVKMSRPTQYSSFSC	100 / 5 AA	57
Phosphosite 15:	REV3	O60673	S2559	LHVLTRGSQYRVESM	71 / 7 AA	353
Phosphosite 16:	C17orf74	Q0P670	Y104	KMSRPTQYSSFSCHH	100 / 5 AA	57
Phosphosite 17:	CLCN2	P51788	Y576	GWGRHQQYRVRVEDI	66 / 9 AA	98
Phosphosite 18:	COL7A1	Q02388	T928	LDGLEPATQYRVRLS	83 / 6 AA	295
Phosphosite 19:	MFSD2A	Q8NA29	Y198	ERDSATAYRMTVEVL	62 / 8 AA	60
Phosphosite 20:	Major facilitator superfamily domain-containing protein 2B	A6NFX1	Y175	ERDSATAYRMTVEMA	62 / 8 AA	53