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:	Y688
P-Site Sequence:	MQRTESGYESSDHIS
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	Y688	MQRTESGYESSDHIS	100 / 9 AA	121
Phosphosite 1:	USP54	Q70EL1	Y662	IQRMESGYESSERNS	77 / 9 AA	187
Phosphosite 2:	USP53	Q70EK8	S686	WQMQRTESGYESSDH	100 / 7 AA	121
Phosphosite 3:	USP53	Q70EK8	S690	RTESGYESSDHISNG	100 / 7 AA	121
Phosphosite 4:	C6orf58	Q6P5S2	Y114	TRRTNCGYESGDHMC	66 / 9 AA	38
Phosphosite 5:	USP54	Q70EL1	S664	RMESGYESSERNSSS	85 / 7 AA	187
Phosphosite 6:	USP53	Q70EK8	S691	TESGYESSDHISNGS	100 / 6 AA	121
Phosphosite 7:	KIAA1529	Q9P1Z9	Y78	RTIMQSGYEGADMGF	55 / 9 AA	198
Phosphosite 8:	USP54	Q70EL1	S660	RLIQRMESGYESSER	85 / 7 AA	187
Phosphosite 9:	DHRS12	A0PJE2	Y22	REYTKSGYESACKDF	75 / 8 AA	35
Phosphosite 10:	WHSC1	O96028	Y641	DEPSESPYESADETQ	66 / 9 AA	152
Phosphosite 11:	NECAP2	Q9NVZ3	Y6	__MEESGYESVLCVK	100 / 6 AA	28
Phosphosite 12:	COL4A3BP	Q9Y5P4	S119	IEQHKTESGYGSESS	85 / 7 AA	71
Phosphosite 13:	CTTN	Q14247	Y470	AYATEAVYESAEAPG	55 / 9 AA	62
Phosphosite 14:	RNPC3	Q96LT9	Y246	LSSEESEYESTDDED	75 / 8 AA	59
Phosphosite 15:	JRKL	Q9Y4A0	Y441	VDSTEPGYEVLTDSE	83 / 6 AA	51
Phosphosite 16:	TRIM54	Q9BYV2	Y306	AGRPEPGYESMEQFT	55 / 9 AA	40
Phosphosite 17:	ZIC1	Q15915	S403	AASSGYESSTPPTIV	100 / 6 AA	48
Phosphosite 18:	Zic2	O95409	S434	AASSGYESSTPPGLV	100 / 6 AA	55
Phosphosite 19:	ZIC3	O60481	S427	AASSGYESSTPPAIA	100 / 6 AA	51
Phosphosite 20:	DHRS12	A0PJE2	S20	GLREYTKSGYESACK	85 / 7 AA	35