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:	Y252
P-Site Sequence:	PKSSASPYSSVSASL
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	Y252	PKSSASPYSSVSASL	100 / 9 AA	109
Phosphosite 1:	USP4	Q13107	S253	KSSASPYSSVSASLI	100 / 8 AA	109
Phosphosite 2:	HSF5	Q4G112	Y203	RRDSLSPYSCVSTPS	77 / 9 AA	65
Phosphosite 3:	USP4	Q13107	S250	TSPKSSASPYSSVSA	100 / 7 AA	109
Phosphosite 4:	HSF5	Q4G112	S204	RDSLSPYSCVSTPSH	85 / 7 AA	65
Phosphosite 5:	CCL5	P13501	S24	LCAPASASPYSSDTT	100 / 7 AA	10
Phosphosite 6:	FRMD4B	Q9Y2L6	Y894	PSSRASLYSSVSSTN	87 / 8 AA	112
Phosphosite 7:	ZC3H13	Q5T200	Y374	LRRSASPYPSHSLSS	77 / 9 AA	197
Phosphosite 8:	TRAD	O60229	Y2265	PQASPRPYSSVPAGS	75 / 8 AA	340
Phosphosite 9:	FRMD4B	Q9Y2L6	S895	SSRASLYSSVSSTNA	87 / 8 AA	112
Phosphosite 10:	CCL5	P13501	S27	PASASPYSSDTTPCC	100 / 6 AA	10
Phosphosite 11:	SBF1	O95248	S1584	AEVLRPYSNVSNLKV	83 / 6 AA	208
Phosphosite 12:	Elk-3	P41970	S237	AASISSASPFSSRSP	85 / 7 AA	44
Phosphosite 13:	TACR3	P29371	T459	SFISSPYTSVDEYS_	83 / 6 AA	52
Phosphosite 14:	FRYL	O94915	Y680	PPLERSPYSNVFHVV	83 / 6 AA	340
Phosphosite 15:	FRYL	O94915	S681	PLERSPYSNVFHVVE	83 / 6 AA	340
Phosphosite 16:	TACR3	P29371	Y458	SSFISSPYTSVDEYS	83 / 6 AA	52
Phosphosite 17:	ZC3H13	Q5T200	S372	PPLRRSASPYPSHSL	85 / 7 AA	197
Phosphosite 18:	SBF1	O95248	Y1583	DAEVLRPYSNVSNLK	83 / 6 AA	208
Phosphosite 19:	TACR3	P29371	S460	FISSPYTSVDEYS__	83 / 6 AA	52
Phosphosite 20:	PLEKHH1	Q9ULM0	Y1270	QVHITYPYSSVTTFG	83 / 6 AA	151