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:	S250
P-Site Sequence:	TSPKSSASPYSSVSA
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	S250	TSPKSSASPYSSVSA	100 / 9 AA	109
Phosphosite 1:	USP4	Q13107	S248	FTTSPKSSASPYSSV	100 / 7 AA	109
Phosphosite 2:	Elk-3	P41970	S237	AASISSASPFSSRSP	87 / 8 AA	44
Phosphosite 3:	USP4	Q13107	Y252	PKSSASPYSSVSASL	100 / 7 AA	109
Phosphosite 4:	CCL5	P13501	S24	LCAPASASPYSSDTT	100 / 7 AA	10
Phosphosite 5:	ZC3H13	Q5T200	S372	PPLRRSASPYPSHSL	66 / 9 AA	197
Phosphosite 6:	CCL5	P13501	S27	PASASPYSSDTTPCC	100 / 6 AA	10
Phosphosite 7:	DCP1A	Q9NPI6	S62	FVYRRSASPYHGFTI	71 / 7 AA	63
Phosphosite 8:	VIPR1	P32241	S334	DIRKSDSSPYSRLAR	75 / 8 AA	52
Phosphosite 9:	VIPR1	P32241	S333	PDIRKSDSSPYSRLA	75 / 8 AA	52
Phosphosite 10:	USP4	Q13107	S253	KSSASPYSSVSASLI	100 / 6 AA	109
Phosphosite 11:	ZC3H13	Q5T200	S370	LTPPLRRSASPYPSH	71 / 7 AA	197
Phosphosite 12:	DCP1A	Q9NPI6	S60	TLFVYRRSASPYHGF	71 / 7 AA	63
Phosphosite 13:	ZC3H13	Q5T200	Y374	LRRSASPYPSHSLSS	85 / 7 AA	197
Phosphosite 14:	CDK13	Q14004	S385	RGGDVSPSPYSSSSW	85 / 7 AA	165
Phosphosite 15:	EHBP1	Q8NDI1	S641	HLSPSTASPYCRRTK	71 / 7 AA	140
Phosphosite 16:	FCHO1	O14526	S462	LGFTSSPSPFSSSSP	66 / 9 AA	97