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:	USP8
Human P-Site:	S555
P-Site Sequence:	ITGVKRQSKSEHETS
UniProt:	P40818
Intern. Prot. ID:	IPI00030915

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	USP8	P40818	S555	ITGVKRQSKSEHETS	100 / 9 AA	128
Phosphosite 1:	USP8	P40818	S557	GVKRQSKSEHETSDA	100 / 7 AA	128
Phosphosite 2:	IQSEC1	Q6DN90	S459	NGSANRQSKSESDYS	75 / 8 AA	108
Phosphosite 3:	USP31	Q70CQ4	S1219	KSGLKRDSKSEDKGL	66 / 9 AA	147
Phosphosite 4:	C20orf177	Q9NTX9	S22	NSSGKRQSKSQVPHA	85 / 7 AA	42
Phosphosite 5:	VPS72	Q15906	T137	RKSMRQSTAEHTRQT	62 / 8 AA	41
Phosphosite 6:	SIPA1L1	O43166	S286	EKPLKRRSKSETGDS	75 / 8 AA	200
Phosphosite 7:	TNFAIP2	Q03169	S123	EELVRRQSKVEALYE	75 / 8 AA	73
Phosphosite 8:	VPS72	Q15906	S136	SRKSMRQSTAEHTRQ	62 / 8 AA	41
Phosphosite 9:	TMEM117	Q9H0C3	S438	YTRMKRKSPSEHSKD	66 / 9 AA	60
Phosphosite 10:	IQSEC1	Q6DN90	S461	SANRQSKSESDYSDG	100 / 6 AA	108
Phosphosite 11:	SPINK5	Q9NQ38	S427	KSRNKRQSKSTASFE	100 / 6 AA	121
Phosphosite 12:	MYCBP2	O75592	S87	KSKVKTRSKSENLEN	66 / 9 AA	510
Phosphosite 13:	BRDT	Q58F21	T620	LNSRKRQTKSDKTQP	71 / 7 AA	108
Phosphosite 14:	MKI67	P46013	S2985	RDPVKSQSKSNTSLP	75 / 8 AA	359
Phosphosite 15:	MYOCD	Q8IZQ8	S591	QVPVKRQSSSSECHP	85 / 7 AA	102
Phosphosite 16:	FHDC1	Q9C0D6	S201	EDIHQGKSEHYGSET	71 / 7 AA	125
Phosphosite 17:	C1orf87	Q8N0U7	S419	EVPEMSQSKTEHMKT	62 / 8 AA	62
Phosphosite 18:	MKI67	P46013	S2983	STRDPVKSQSKSNTS	85 / 7 AA	359
Phosphosite 19:	MFAP3L	O75121	S325	KVSVHPQSKKEHADD	66 / 9 AA	45
Phosphosite 20:	FEN1	P39748	S329	RSGVKRLSKSRQGST	85 / 7 AA	43