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:	S253
P-Site Sequence:	KSSASPYSSVSASLI
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	S253	KSSASPYSSVSASLI	100 / 9 AA	109
Phosphosite 1:	USP4	Q13107	Y252	PKSSASPYSSVSASL	100 / 8 AA	109
Phosphosite 2:	HSF5	Q4G112	S204	RDSLSPYSCVSTPSH	75 / 8 AA	65
Phosphosite 3:	NDFIP1	Q9BT67	S44	DAPPPYSSISAESAA	85 / 7 AA	25
Phosphosite 4:	NDFIP1	Q9BT67	S43	GDAPPPYSSISAESA	66 / 9 AA	25
Phosphosite 5:	KIF26A	Q9ULI4	S1614	PALPSPYSKVTAPRR	66 / 9 AA	190
Phosphosite 6:	TRAD	O60229	S2266	QASPRPYSSVPAGSE	66 / 9 AA	340
Phosphosite 7:	TRAD	O60229	S2267	ASPRPYSSVPAGSEK	85 / 7 AA	340
Phosphosite 8:	HSF5	Q4G112	Y203	RRDSLSPYSCVSTPS	85 / 7 AA	65
Phosphosite 9:	FRMD4B	Q9Y2L6	Y894	PSSRASLYSSVSSTN	87 / 8 AA	112
Phosphosite 10:	FRMD4B	Q9Y2L6	S895	SSRASLYSSVSSTNA	87 / 8 AA	112
Phosphosite 11:	KCNJ12	Q14500	Y10	AASRANPYSIVSSEE	75 / 8 AA	49
Phosphosite 12:	CCL5	P13501	S27	PASASPYSSDTTPCC	100 / 6 AA	10
Phosphosite 13:	DPP9	Q86TI2	S564	DMFVSHYSSVSTPPC	66 / 9 AA	98
Phosphosite 14:	SBF1	O95248	S1584	AEVLRPYSNVSNLKV	83 / 6 AA	208
Phosphosite 15:	FRYL	O94915	Y680	PPLERSPYSNVFHVV	83 / 6 AA	340
Phosphosite 16:	FRYL	O94915	S681	PLERSPYSNVFHVVE	83 / 6 AA	340
Phosphosite 17:	TACR3	P29371	Y458	SSFISSPYTSVDEYS	83 / 6 AA	52
Phosphosite 18:	TACR3	P29371	T459	SFISSPYTSVDEYS_	83 / 6 AA	52
Phosphosite 19:	SBF1	O95248	Y1583	DAEVLRPYSNVSNLK	71 / 7 AA	208
Phosphosite 20:	USP4	Q13107	S250	TSPKSSASPYSSVSA	100 / 6 AA	109