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:	S1060
P-Site Sequence:	YHQRPKLSFPESSGF
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	S1060	YHQRPKLSFPESSGF	100 / 9 AA	121
Phosphosite 1:	AFF2	P51816	T1064	NVRRPKLTFDDSVHN	66 / 9 AA	145
Phosphosite 2:	PHKA2	P46019	T563	MTGRPTLTFPISRTM	66 / 9 AA	138
Phosphosite 3:	ARGLU1	Q9NWB6	S266	GKSRPKLSFSLKTQD	100 / 6 AA	33
Phosphosite 4:	Claudin-5	O00501	S195	CTGRPDLSFPVKYSA	85 / 7 AA	23
Phosphosite 5:	SP140L	Q9H930	S153	NAIQDKLSFQESDRK	85 / 7 AA	50
Phosphosite 6:	C12orf73	Q69YU5	T37	RYYRPDLTIPEIPPK	62 / 8 AA	8
Phosphosite 7:	PHKA2	P46019	T561	WRMTGRPTLTFPISR	71 / 7 AA	138
Phosphosite 8:	JMJD3	O15054	S630	ESPRPRVSFPKTPEV	55 / 9 AA	180
Phosphosite 9:	SLC24A4	Q8NFF2	T303	SSSPPKFTFPEAGLR	62 / 8 AA	67
Phosphosite 10:	SLFN13	Q68D06	S205	IEYGEILSFPESPSI	100 / 6 AA	102
Phosphosite 11:	NFkB-p105	P19838	T939	SFRKLSFTESLTSGA	85 / 7 AA	105
Phosphosite 12:	GALNTL4	Q6P9A2	S148	PSGCRNLSFPDSLPE	71 / 7 AA	70
Phosphosite 13:	NFkB-p105	P19838	S937	ETSFRKLSFTESLTS	85 / 7 AA	105
Phosphosite 14:	MRPS31	Q92665	S200	DAKRPKISFSNIISD	62 / 8 AA	45
Phosphosite 15:	HOXC10	Q9NYD6	S197	PQLGGKVSFPETPKS	71 / 7 AA	38
Phosphosite 16:	SLITRK3	O94933	S728	GGGRPTLSSPEKAPP	75 / 8 AA	109
Phosphosite 17:	SLFN12	Q8IYM2	T197	LDRKEKLTFTESTHV	55 / 9 AA	67
Phosphosite 18:	SLFN12L	Q6IEE8	T247	LGYKEKLTFTESTHV	55 / 9 AA	62
Phosphosite 19:	Rad9	Q99638	S227	KEFRGLLSFAESANL	66 / 9 AA	43
Phosphosite 20:	EP300	Q09472	S19	SAKRPKLSSPALSAS	75 / 8 AA	264