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:	S900
P-Site Sequence:	KWYYFDDSNVSLASE
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	S900	KWYYFDDSNVSLASE	100 / 9 AA	109
Phosphosite 1:	USP15	Q9Y4E8	S910	KWYYFDDSSVSTASE	87 / 8 AA	112
Phosphosite 2:	DEPDC4	Q8N2C3	S153	KELEFEDSNISLYRF	75 / 8 AA	34
Phosphosite 3:	USP15	Q9Y4E8	S911	WYYFDDSSVSTASED	85 / 7 AA	112
Phosphosite 4:	CHERP	Q8IWX8	S276	KNGYFDDSIIQQLQS	71 / 7 AA	104
Phosphosite 5:	FAM131B	Q86XD5	S228	LGPAFDDSQPSLHEM	75 / 8 AA	36
Phosphosite 6:	USP4	Q13107	S903	YFDDSNVSLASEDQI	100 / 6 AA	109
Phosphosite 7:	LPAR4	Q99677	S14	IDFQFQDSNSSLRPR	75 / 8 AA	42
Phosphosite 8:	MYST3	Q92794	S396	GLDFCRDSNVSLKFN	100 / 6 AA	225
Phosphosite 9:	MYST3	Q92794	S399	FCRDSNVSLKFNKKT	100 / 6 AA	225
Phosphosite 10:	USP19	O94966	S1191	GWRLFDDSTVTTVDE	71 / 7 AA	146
Phosphosite 11:	BMP5	P22003	S435	SVLYFDDSSNVILKK	83 / 6 AA	52
Phosphosite 12:	BMP7	P18075	S412	SVLYFDDSSNVILKK	83 / 6 AA	49
Phosphosite 13:	ERM	P41161	T338	PRLYFDDTCVVPERL	71 / 7 AA	58
Phosphosite 14:	USP19	O94966	T1192	WRLFDDSTVTTVDES	71 / 7 AA	146
Phosphosite 15:	SRFBP1	Q8NEF9	S264	EKEYFDDSTEERFYK	83 / 6 AA	49
Phosphosite 16:	CHERP	Q8IWX8	Y272	QLWEKNGYFDDSIIQ	100 / 5 AA	104
Phosphosite 17:	SRFBP1	Q8NEF9	Y260	FCEEEKEYFDDSTEE	100 / 5 AA	49
Phosphosite 18:	HIVEP3	Q5T1R4	S936	SRSPSQESNVSLSGS	71 / 7 AA	259
Phosphosite 19:	USP15	Q9Y4E8	Y906	KDDGKWYYFDDSSVS	100 / 5 AA	112
Phosphosite 20:	USP4	Q13107	Y896	KLNGKWYYFDDSNVS	100 / 5 AA	109