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:	USP53
Human P-Site:	Y558
P-Site Sequence:	KSDNGTGYDTDSSQD
UniProt:	Q70EK8
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	USP53	Q70EK8	Y558	KSDNGTGYDTDSSQD	100 / 9 AA	121
Phosphosite 1:	USP53	Q70EK8	T556	KVKSDNGTGYDTDSS	100 / 7 AA	121
Phosphosite 2:	USP53	Q70EK8	T560	DNGTGYDTDSSQDSR	100 / 7 AA	121
Phosphosite 3:	FAM160B1	Q5W0V3	T589	SSYHVEGTGYDTYLR	85 / 7 AA	87
Phosphosite 4:	FAM160B1	Q5W0V3	Y591	YHVEGTGYDTYLRDA	85 / 7 AA	87
Phosphosite 5:	WNT9B	O14905	Y320	SLCCGRGYDTQSRLV	75 / 8 AA	39
Phosphosite 6:	CHD-5	Q8TDI0	Y338	RIDDGDGYETDHQDY	62 / 8 AA	223
Phosphosite 7:	TSSC4	Q9Y5U2	Y21	EGEHGTEYDTLPSDT	71 / 7 AA	34
Phosphosite 8:	CXCR7	P25106	T79	AKTTGYDTHCYILNL	71 / 7 AA	41
Phosphosite 9:	SLC26A9	Q7LBE3	Y361	TLANKHGYDVDSNQE	66 / 9 AA	87
Phosphosite 10:	FRS2	Q8WU20	S292	EWDTGYDSDERRDAP	83 / 6 AA	57
Phosphosite 11:	BARD1	Q99728	Y492	ALVNTTGYQNDSPLH	66 / 9 AA	87
Phosphosite 12:	IFNGR1	P15260	T414	HSRNGFDTDSSCLES	83 / 6 AA	54
Phosphosite 13:	WNT9B	O14905	T322	CCGRGYDTQSRLVAF	83 / 6 AA	39
Phosphosite 14:	Ig kappa chain V region EV15	P06315	Y87	PRFSGSGYGTDFTLT	62 / 8 AA	13
Phosphosite 15:	ROBO2	Q9HCK4	Y1099	VEQQENGYDSDSWCP	83 / 6 AA	151
Phosphosite 16:	ROBO2	Q9HCK4	S1101	QQENGYDSDSWCPPL	83 / 6 AA	151
Phosphosite 17:	FRS2	Q8WU20	Y290	NTEWDTGYDSDERRD	83 / 6 AA	57
Phosphosite 18:	FN3K	Q9H479	Y31	CISEGRAYDTDAGPV	55 / 9 AA	35
Phosphosite 19:	G2	Q6ZVL6	Y1505	RGIRNSGYDTEPEII	57 / 7 AA	199
Phosphosite 20:	PSMA3	P25788	T6	__MSSIGTGYDLSAS	100 / 5 AA	28