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:	S234
P-Site Sequence:	QTLQSKSSTAPSRNF
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	S234	QTLQSKSSTAPSRNF	100 / 9 AA	109
Phosphosite 1:	USP4	Q13107	S233	RQTLQSKSSTAPSRN	100 / 8 AA	109
Phosphosite 2:	USP4	Q13107	T235	TLQSKSSTAPSRNFT	100 / 8 AA	109
Phosphosite 3:	ATP10B	O94823	S639	SLSQSFSSTAPSDTD	88 / 9 AA	165
Phosphosite 4:	INPPL1	O15357	S290	LKALQDMSSTAPPAP	75 / 8 AA	139
Phosphosite 5:	INPPL1	O15357	S291	KALQDMSSTAPPAPQ	75 / 8 AA	139
Phosphosite 6:	FLJ45252	Q6ZSR9	S153	APFVSKSSMAPSQPE	87 / 8 AA	38
Phosphosite 7:	TNRC6B	Q9UPQ9	S148	GALLQSESGTAPDST	75 / 8 AA	194
Phosphosite 8:	RREB1	Q92766	S567	AHLLQSKSGTQPHAA	75 / 8 AA	181
Phosphosite 9:	FLJ40925	Q8N7K9	S145	SRAQSSPSTAPSSGT	77 / 9 AA	60
Phosphosite 10:	ASCL4	Q6XD76	S158	SDGESKASSAPSPSS	66 / 9 AA	19
Phosphosite 11:	BMPR2	Q13873	S1013	NRAVHSKSSTAVYLA	85 / 7 AA	115
Phosphosite 12:	ANKRD56	A6NEL2	T537	RKPSKAGTAPSPRVD	75 / 8 AA	86
Phosphosite 13:	TRIM28	Q13263	S33	SAGGEKRSTAPSAAA	85 / 7 AA	89
Phosphosite 14:	TRIM28	Q13263	T34	AGGEKRSTAPSAAAS	85 / 7 AA	89
Phosphosite 15:	MARK3	P27448	S513	IPERKKSSTVPSSNT	66 / 9 AA	87
Phosphosite 16:	SALL1	Q9NSC2	S146	TSSGSHSSTAPSSSS	87 / 8 AA	140
Phosphosite 17:	SALL1	Q9NSC2	T147	SSGSHSSTAPSSSSS	87 / 8 AA	140
Phosphosite 18:	SLC24A1	O60721	S372	WRLAKKPSTAPSTST	85 / 7 AA	121
Phosphosite 19:	SRRM2	Q9UQ35	S1090	SPSLQSKSQTSPKGG	75 / 8 AA	300
Phosphosite 20:	MARK3	P27448	T514	PERKKSSTVPSSNTA	85 / 7 AA	87