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:	S244
P-Site Sequence:	PSRNFTTSPKSSASP
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	S244	PSRNFTTSPKSSASP	100 / 9 AA	109
Phosphosite 1:	USP4	Q13107	T243	APSRNFTTSPKSSAS	100 / 8 AA	109
Phosphosite 2:	USP4	Q13107	T242	TAPSRNFTTSPKSSA	100 / 7 AA	109
Phosphosite 3:	SLC44A1	Q8WWI5	S152	KPSEYTTSPKSSVLC	77 / 9 AA	73
Phosphosite 4:	LPPR4	Q7Z2D5	S547	TQENISTSPKSSSAR	77 / 9 AA	88
Phosphosite 5:	SLC44A1	Q8WWI5	T151	LKPSEYTTSPKSSVL	75 / 8 AA	73
Phosphosite 6:	TBX18	O95935	S537	YGYNFSTSPKLAASP	85 / 7 AA	65
Phosphosite 7:	TBX18	O95935	S535	ALYGYNFSTSPKLAA	85 / 7 AA	65
Phosphosite 8:	PKD1L1	Q8TDX9	S243	PISHFPTSPRSSHGL	66 / 9 AA	315
Phosphosite 9:	LTA4H	P09960	S110	IEISFETSPKSSALQ	77 / 9 AA	69
Phosphosite 10:	LPPR4	Q7Z2D5	T546	ETQENISTSPKSSSA	75 / 8 AA	88
Phosphosite 11:	SYCP2L	Q5T4T6	S580	PEQNNTTSPKTSEQK	77 / 9 AA	94
Phosphosite 12:	C6orf132	Q5T0Z8	T433	PPAGFTKTPKSSSPA	66 / 9 AA	124
Phosphosite 13:	KIAA2022	Q5QGS0	T344	FFPSVFTTCPKRESK	83 / 6 AA	168
Phosphosite 14:	SLC44A1	Q8WWI5	T150	NLKPSEYTTSPKSSV	71 / 7 AA	73
Phosphosite 15:	TBX20	Q9UMR3	S6	__MEFTASPKPQLSS	62 / 8 AA	33
Phosphosite 16:	Kv2.2	Q92953	S699	QSDNATDSPKSSLKG	77 / 9 AA	103
Phosphosite 17:	TG	P01266	T461	ARLALQFTTNPKRLQ	83 / 6 AA	305
Phosphosite 18:	FLJ32810	A6NI28	S689	SLGLWTTSPESSSKE	75 / 8 AA	89
Phosphosite 19:	FLJ32810	A6NI28	S296	SLGLWTTSPESSSRE	75 / 8 AA	89
Phosphosite 20:	ABCA13	Q86UQ4	S1584	LLNIFATSPKEKDVN	83 / 6 AA	576