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:	S76
P-Site Sequence:	IDNSGLFSDPESQTL
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	S76	IDNSGLFSDPESQTL	100 / 9 AA	109
Phosphosite 1:	GK5	Q6ZS86	T6	__MSGLLTDPEQRAQ	75 / 8 AA	59
Phosphosite 2:	MON1A	Q86VX9	T459	SKSSGLFTSPEIEAP	75 / 8 AA	62
Phosphosite 3:	ARHGAP29	Q52LW3	S539	SWTFGMFSDSESTGG	75 / 8 AA	142
Phosphosite 4:	Tnk1	Q13470	S587	ALSGGLLSDPELQRK	75 / 8 AA	72
Phosphosite 5:	KIAA1549	Q9HCM3	S528	SVESSLFSDQERSSF	75 / 8 AA	203
Phosphosite 6:	FAM21C	Q9Y4E1	S539	KTQKGLFSDEEDSED	85 / 7 AA	145
Phosphosite 7:	FAM21A	Q641Q2	S539	KTQKGLFSDEEDSED	85 / 7 AA	147
Phosphosite 8:	FAM21B	Q5SNT6	S451	KTQKGLFSDEEDSED	85 / 7 AA	137
Phosphosite 9:	DOT1L	Q8TEK3	S1035	LPSDSGFSDPESEAK	100 / 6 AA	185
Phosphosite 10:	PLA2G4D	Q86XP0	S717	PRECHLFSDPACPEA	71 / 7 AA	92
Phosphosite 11:	CACNA1F	O60840	S1953	QGTSSLYSDEESILS	66 / 9 AA	221
Phosphosite 12:	FAM171B	Q6P995	S551	LQTSDLFSTPEQLHT	75 / 8 AA	92
Phosphosite 13:	COBL	O75128	S558	PVDSGLFSNRNNNAG	55 / 9 AA	136
Phosphosite 14:	ARHGAP29	Q52LW3	S541	TFGMFSDSESTGGSS	71 / 7 AA	142
Phosphosite 15:	ZER1	Q7Z7L7	S75	ESFFSLFSDPRSTRL	75 / 8 AA	88
Phosphosite 16:	RBM35A	Q6NXG1	S201	EPYNHRFSDPERVNY	83 / 6 AA	76
Phosphosite 17:	TTC7B	Q86TV6	S651	TITLPDFSDPETGSV	83 / 6 AA	94
Phosphosite 18:	CYP27A1	Q02318	S439	SRDPTAFSEPESFQP	83 / 6 AA	60
Phosphosite 19:	RBM20	Q5T481	S876	QEKEAEFSDPENTRT	83 / 6 AA	122
Phosphosite 20:	SCRT2	Q9NQ03	S82	PAAPEEYSDPESPQS	83 / 6 AA	33