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:	S939
P-Site Sequence:	SLSSSGSSDGGTRPS
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	S939	SLSSSGSSDGGTRPS	100 / 9 AA	109
Phosphosite 1:	USP4	Q13107	S938	PSLSSSGSSDGGTRP	100 / 8 AA	109
Phosphosite 2:	Nav3	Q8IVL0	S408	QPPSSGPSDGGKDDD	77 / 9 AA	256
Phosphosite 3:	SPATA13	Q96N96	S99	MRASNVSSDGGTEPS	77 / 9 AA	75
Phosphosite 4:	EPN1	Q9Y6I3	S329	TPDPWGSSDGGVPVS	66 / 9 AA	58
Phosphosite 5:	EPN1	Q9Y6I3	S328	PTPDPWGSSDGGVPV	75 / 8 AA	58
Phosphosite 6:	GPR156	Q8NFN8	S774	FQSSSDSSDSGTSDT	77 / 9 AA	89
Phosphosite 7:	HECTD1	Q9ULT8	S710	ATMYSSGSPEGGSDS	75 / 8 AA	290
Phosphosite 8:	DVL2	O14641	T640	RGGEASGTSDGGPPP	75 / 8 AA	79
Phosphosite 9:	DVL2	O14641	S641	GGEASGTSDGGPPPS	75 / 8 AA	79
Phosphosite 10:	ASXL2	Q76L83	S118	SENSSSSSDGGSNKE	77 / 9 AA	154
Phosphosite 11:	TAB1	Q15750	S457	TQSSSSSSDGGLFRS	87 / 8 AA	55
Phosphosite 12:	KCTD3	Q9Y597	S780	LASSPSTSDGGTDSP	66 / 9 AA	89
Phosphosite 13:	ASXL2	Q76L83	S117	SSENSSSSSDGGSNK	87 / 8 AA	154
Phosphosite 14:	UPK3A	O75631	S240	SLVDMGSSDGETTHD	85 / 7 AA	31
Phosphosite 15:	TAB1	Q15750	S456	HTQSSSSSSDGGLFR	87 / 8 AA	55