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:	Y221
P-Site Sequence:	AANTTDDYRKCPSNC
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	Y221	AANTTDDYRKCPSNC	100 / 9 AA	121
Phosphosite 1:	DNTTIP1	Q9H147	Y283	DLAASDDYRGCLDLK	62 / 8 AA	37
Phosphosite 2:	EphB2	P29323	Y194	LIAVRVFYRKCPRII	100 / 5 AA	117
Phosphosite 3:	CIB2	O75838	S49	VPMDYRKSPIVHVPM	83 / 6 AA	22
Phosphosite 4:	CIB2	O75838	Y46	PNLVPMDYRKSPIVH	83 / 6 AA	22
Phosphosite 5:	ANXA4	P09525	Y307	KGDTSGDYRKVLLVL	62 / 8 AA	36
Phosphosite 6:	DDX17	Q92841	Y188	VQQVADDYGKCSRLK	55 / 9 AA	72
Phosphosite 7:	ANXA11	P50995	Y493	SGDTSGDYRKILLKI	62 / 8 AA	54
Phosphosite 8:	RPLP0-like	Q8NHW5	Y24	IIQLLDDYPKCFIVG	83 / 6 AA	34
Phosphosite 9:	RPLP0	P05388	Y24	IIQLLDDYPKCFIVG	83 / 6 AA	34
Phosphosite 10:	NPIPL3	Q92617	Y198	LRRRAEDYHKCKIPP	57 / 7 AA	117
Phosphosite 11:	NPIPL1	O75200	Y137	LRRRAEDYHKCKIPP	57 / 7 AA	26
Phosphosite 12:	Putative NPIP-like protein ENSP00000381263	A8MZ50	Y198	LRWRAEDYHKCKITP	57 / 7 AA	38
Phosphosite 13:	KIAA0220L	A8MRT5	Y198	LRRRAEDYHKCKIPP	57 / 7 AA	76
Phosphosite 14:	Putative NPIP-like protein ENSP00000342480	A6NJU9	Y198	LRRRAEDYHKCKIPP	57 / 7 AA	126
Phosphosite 15:	NPIP-like protein 2	A6NJ64	Y196	LRRRAEDYHKCKIPP	57 / 7 AA	44
Phosphosite 16:	NPIPL2	A6NHN6	Y137	LRRRAEDYHKCKIPP	57 / 7 AA	44
Phosphosite 17:	NPIP-like protein ENSP00000346774	A6NF02	Y137	LRRRAEDYHKCKIPP	57 / 7 AA	26
Phosphosite 18:	TSNAXIP1	Q2TAA8	Y28	RKPCSDDYRKRVGSC	83 / 6 AA	77
Phosphosite 19:	MUC5B	Q9HC84	Y1883	RVLCCDDYSHCPSTL	71 / 7 AA	590
Phosphosite 20:	CPSF3L	Q5TA45	Y107	CPILLEDYRKIAVDK	57 / 7 AA	68