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:	USP4
Human P-Site:	S859
P-Site Sequence:	SEFVCNLSARPYVYD
UniProt:	Q13107
Intern. Prot. ID:	IPI00011836

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	USP4	Q13107	S859	SEFVCNLSARPYVYD	100 / 9 AA	109
Phosphosite 1:	SPPL2C	Q8IUH8	S305	SPLVCHLSLRQYQRP	66 / 9 AA	75
Phosphosite 2:	KIF3A	Q9Y496	T80	QLDVYNLTARPIIDS	75 / 8 AA	80
Phosphosite 3:	PHKA2	P46019	S495	RNKNMNLSGRPYRHI	85 / 7 AA	138
Phosphosite 4:	MCPH1	Q8NEM0	S747	CRSECHLSAGPYRGT	75 / 8 AA	93
Phosphosite 5:	MASP2	O00187	S437	CEPVCGLSARTTGGR	85 / 7 AA	76
Phosphosite 6:	BBS12	Q6ZW61	S190	TLTISNLSGRPLKSY	62 / 8 AA	79
Phosphosite 7:	MYO15A	Q9UKN7	S3270	GQHVCPLSRRAYILD	66 / 9 AA	395
Phosphosite 8:	WNT2	P09544	T297	AGRVCNLTSRGMDSC	71 / 7 AA	40
Phosphosite 9:	FBXO41	Q8TF61	S521	PLSSCRLSARPEGGS	85 / 7 AA	95
Phosphosite 10:	CP	P00450	S114	VHLKNLASRPYTFHS	71 / 7 AA	122
Phosphosite 11:	factor V	P12259	S1665	VRFKNLASRPYSLHA	71 / 7 AA	252
Phosphosite 12:	ZMYND15	Q9H091	S557	RDLQIKVSARPYHLF	62 / 8 AA	77
Phosphosite 13:	STK40	Q8N2I9	S246	YISPDVLSGRPYRGK	83 / 6 AA	49
Phosphosite 14:	GREB1	Q4ZG55	S1856	QISVCYVSSRPHSLN	55 / 9 AA	216
Phosphosite 15:	EIF2C1	Q9UL18	T283	KYRVCNVTRRPASHQ	62 / 8 AA	97
Phosphosite 16:	EIF2C2	Q9UKV8	T285	KYRVCNVTRRPASHQ	62 / 8 AA	97
Phosphosite 17:	EIF2C4	Q9HCK5	T275	KYRVCNVTRRPASHQ	62 / 8 AA	97
Phosphosite 18:	EIF2C3	Q9H9G7	T286	KYRVCNVTRRPASHQ	62 / 8 AA	97
Phosphosite 19:	HERC1	Q15751	S925	CTGYGNLSDQPYGTQ	71 / 7 AA	532
Phosphosite 20:	NARG2	Q659A1	S600	AVVGSNLSSRPASPN	71 / 7 AA	110