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:	USP3
Human P-Site:	T489
P-Site Sequence:	WFHFNDSTVTLTDEE
UniProt:	Q9Y6I4
Intern. Prot. ID:	IPI00002330

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	USP3	Q9Y6I4	T489	WFHFNDSTVTLTDEE	100 / 9 AA	59
Phosphosite 1:	USP2	O75604	S577	WHTFNDSSVTPMSSS	85 / 7 AA	68
Phosphosite 2:	USP19	O94966	S1191	GWRLFDDSTVTTVDE	85 / 7 AA	146
Phosphosite 3:	USP2	O75604	S576	EWHTFNDSSVTPMSS	85 / 7 AA	68
Phosphosite 4:	USP19	O94966	T1192	WRLFDDSTVTTVDES	85 / 7 AA	146
Phosphosite 5:	CUBN	O60494	T3422	YDNDKDCTVTLTAPQ	75 / 8 AA	399
Phosphosite 6:	NID2	Q14112	T676	LYHYSDSTVTSTSSR	66 / 9 AA	151
Phosphosite 7:	DRG2	P55039	T192	GGISFNSTVTLTQCS	85 / 7 AA	41
Phosphosite 8:	NID2	Q14112	S675	ELYHYSDSTVTSTSS	71 / 7 AA	151
Phosphosite 9:	SLC9A7	Q96T83	S668	LTLTYGDSTVTANGS	71 / 7 AA	80
Phosphosite 10:	SLC9A7	Q96T83	T669	TLTYGDSTVTANGSS	71 / 7 AA	80
Phosphosite 11:	APOB	P04114	T3413	VEGSHNSTVSLTTKN	62 / 8 AA	516
Phosphosite 12:	KIAA0907	Q7Z7F0	T201	SPTFNGATVTVYHQP	62 / 8 AA	65
Phosphosite 13:	SIX6OS1	Q8N1H7	S329	DTQIFNDSAVDNHSK	83 / 6 AA	68
Phosphosite 14:	SLC20A2	Q08357	T284	AKANDDSTIPLTGAA	62 / 8 AA	70
Phosphosite 15:	PKD1L3	Q7Z443	T412	QSPESSVTLTSANAT	71 / 7 AA	196
Phosphosite 16:	PKD1L3	Q7Z443	S410	QNQSPESSVTLTSAN	71 / 7 AA	196
Phosphosite 17:	GPR98	Q8WXG9	Y4056	SSDDPDSYVTLTVVR	85 / 7 AA	693
Phosphosite 18:	RFX7	Q2KHR2	T524	STGNNQSTITLSVAS	62 / 8 AA	147
Phosphosite 19:	NOTCH3	Q9UM47	S2096	PGPLADSSVTLSPVD	55 / 9 AA	244
Phosphosite 20:	MTR	Q99707	T1001	PKIFNDKTVGGEARK	83 / 6 AA	141