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:	S641
P-Site Sequence:	EPLTRARSEEMGRIV
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	S641	EPLTRARSEEMGRIV	100 / 9 AA	128
Phosphosite 1:	SPEG	Q15772	S2357	RLLSRSRSEERGPFR	66 / 9 AA	354
Phosphosite 2:	CSPP1	Q1MSJ5	S31	SPRTRARSPEICKMA	75 / 8 AA	142
Phosphosite 3:	AMMECR1	Q9Y4X0	S299	IKLTRYRSEKMTLSY	75 / 8 AA	35
Phosphosite 4:	CCDC88A	Q3V6T2	S374	LEGTRARSDKLHELE	62 / 8 AA	216
Phosphosite 5:	NAB1	Q13506	S356	FQQARAKSEELAALS	55 / 9 AA	54
Phosphosite 6:	TP53BP1	Q12888	S259	QNPPPARSEDMPFSP	71 / 7 AA	214
Phosphosite 7:	CAPN1	P07384	S474	ANASRARSEQFINLR	62 / 8 AA	82
Phosphosite 8:	RP1L1	Q8IWN7	S527	RLTPRARSEEGASSD	100 / 6 AA	261
Phosphosite 9:	neurogenin 1	Q92886	S82	RGRTRVRSEALLHSL	62 / 8 AA	26
Phosphosite 10:	NckIPSD	Q9NZQ3	S42	WLAARARSGETGYVP	66 / 9 AA	79
Phosphosite 11:	NEK1	Q96PY6	T695	SLTDTRETSEEMQKT	75 / 8 AA	143
Phosphosite 12:	TNRC18	O15417	S1402	ELELERRSQEMGGAE	83 / 6 AA	315
Phosphosite 13:	NEK1	Q96PY6	S696	LTDTRETSEEMQKTN	75 / 8 AA	143
Phosphosite 14:	SPHK1	Q9NYA1	S66	HARELVRSEELGRWD	71 / 7 AA	43
Phosphosite 15:	RGS22	Q8NE09	S377	VQTTKERSEEIEQTS	62 / 8 AA	147
Phosphosite 16:	CCDC158	Q5M9N0	S687	KRNFRNKSEEMEMTT	71 / 7 AA	127
Phosphosite 17:	CABC1	Q8NI60	S541	RETVRAKSIEMKFLT	62 / 8 AA	72
Phosphosite 18:	SMTN	P53814	S437	AGGPVARSEEPGAPL	85 / 7 AA	100
Phosphosite 19:	DHX37	Q8IY37	S943	HLARRVQSEEMLEDK	71 / 7 AA	130
Phosphosite 20:	BAIAP2	Q9UQB8	S6	__MSLSRSEEMHRLT	83 / 6 AA	61