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:	USP3
Human P-Site:	S346
P-Site Sequence:	DLSLDIPSQFRSKRS
UniProt:	Q9Y6I4
Intern. Prot. ID:	IPI00002330

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	USP3	Q9Y6I4	S346	DLSLDIPSQFRSKRS	100 / 9 AA	59
Phosphosite 1:	Tiam2	Q8IVF5	S1178	FNTLETPSQFRKLLF	75 / 8 AA	193
Phosphosite 2:	ADM	P35318	S28	TARLDVASEFRKKWN	62 / 8 AA	20
Phosphosite 3:	SAMD4B	Q5PRF9	S473	VADGDIPSQFTRVMG	100 / 6 AA	75
Phosphosite 4:	DMWD	Q09019	S24	GDCAEIKSQFRTREG	62 / 8 AA	70
Phosphosite 5:	Tiam2	Q8IVF5	T1176	SDFNTLETPSQFRKL	71 / 7 AA	193
Phosphosite 6:	RbBP2	P29375	S1593	KKVLDIPSKYDWSGA	71 / 7 AA	192
Phosphosite 7:	ALG9	Q9H6U8	S492	WQLQFIPSEFRGQLP	71 / 7 AA	70
Phosphosite 8:	FARSA	Q9Y285	S232	HPLLKVRSQFRQIFL	62 / 8 AA	58
Phosphosite 9:	EXT1	Q16394	S391	RLLLQIPSTIRSIHQ	66 / 9 AA	86
Phosphosite 10:	SYNM	O15061	S335	EHVENMPSEFRNKSY	50 / 8 AA	173
Phosphosite 11:	MICAL2	O94851	S690	FTNLDEPSNFSSRSL	66 / 9 AA	127
Phosphosite 12:	TOPBP1	Q92547	S824	SLHLDTPSKFLSKDK	66 / 9 AA	171
Phosphosite 13:	CTSA	P10619	S287	PCAGGVPSHFRYEKD	57 / 7 AA	54
Phosphosite 14:	PCP4	P48539	S48	RAAVAIQSQFRKFQK	62 / 8 AA	7
Phosphosite 15:	ZNF484	Q5JVG2	S74	MLDGEIPSQSRPDGD	71 / 7 AA	98
Phosphosite 16:	EHHADH	Q08426	S448	KLLEVIPSQYSSPTT	71 / 7 AA	79
Phosphosite 17:	KSR2	Q6VAB6	S353	GSCENIPSQQRSPLL	75 / 8 AA	108
Phosphosite 18:	MDN1	Q9NU22	S5364	KVIPYIASQFRKDKI	83 / 6 AA	633
Phosphosite 19:	MDM4	O15151	S132	DHSMDIPSQDQLKQS	83 / 6 AA	55
Phosphosite 20:	TOPBP1	Q92547	T822	EPSLHLDTPSKFLSK	71 / 7 AA	171