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:	T243
P-Site Sequence:	APSRNFTTSPKSSAS
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	T243	APSRNFTTSPKSSAS	100 / 9 AA	109
Phosphosite 1:	USP4	Q13107	T242	TAPSRNFTTSPKSSA	100 / 8 AA	109
Phosphosite 2:	USP4	Q13107	S244	PSRNFTTSPKSSASP	100 / 8 AA	109
Phosphosite 3:	SLC44A1	Q8WWI5	T151	LKPSEYTTSPKSSVL	75 / 8 AA	73
Phosphosite 4:	SLC44A1	Q8WWI5	S152	KPSEYTTSPKSSVLC	75 / 8 AA	73
Phosphosite 5:	TBX18	O95935	S537	YGYNFSTSPKLAASP	85 / 7 AA	65
Phosphosite 6:	TBX18	O95935	S535	ALYGYNFSTSPKLAA	85 / 7 AA	65
Phosphosite 7:	OMA1	Q96E52	T138	RAIRNFHTSPRFQAA	75 / 8 AA	60
Phosphosite 8:	LPPR4	Q7Z2D5	T546	ETQENISTSPKSSSA	75 / 8 AA	88
Phosphosite 9:	LPPR4	Q7Z2D5	S547	TQENISTSPKSSSAR	75 / 8 AA	88
Phosphosite 10:	SMYD4	Q8IYR2	T174	SDLERNFTATPALAD	71 / 7 AA	89
Phosphosite 11:	UNC13B	O14795	T1480	DKKRKFTTKSKSNNW	66 / 9 AA	181
Phosphosite 12:	ZBTB38	Q8NAP3	S128	DLTDRNFSNSPGPYV	71 / 7 AA	134
Phosphosite 13:	Rb-like 2	Q08999	T157	ERLERNFTVSAVIFK	71 / 7 AA	128
Phosphosite 14:	SLC44A1	Q8WWI5	T150	NLKPSEYTTSPKSSV	71 / 7 AA	73
Phosphosite 15:	KIAA2022	Q5QGS0	T344	FFPSVFTTCPKRESK	83 / 6 AA	168
Phosphosite 16:	LTA4H	P09960	S110	IEISFETSPKSSALQ	75 / 8 AA	69
Phosphosite 17:	TBX20	Q9UMR3	S6	__MEFTASPKPQLSS	62 / 8 AA	33
Phosphosite 18:	SYCP2L	Q5T4T6	T578	EIPEQNNTTSPKTSE	75 / 8 AA	94
Phosphosite 19:	HSPA4	P34932	T113	MEEERNFTTEQVTAM	71 / 7 AA	94
Phosphosite 20:	TG	P01266	T461	ARLALQFTTNPKRLQ	83 / 6 AA	305