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:	S281
P-Site Sequence:	SGVSRGGSGFSASYN
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	S281	SGVSRGGSGFSASYN	100 / 9 AA	109
Phosphosite 1:	CHIA	Q9BZP6	S427	SGGSSGGSGFCAVRA	77 / 9 AA	52
Phosphosite 2:	KIAA1414	Q9P2D3	S283	TGFLRGGSGFLKSGG	100 / 6 AA	224
Phosphosite 3:	MYBPC3	Q14896	S47	VRWQRGGSDISASNK	75 / 8 AA	141
Phosphosite 4:	TBKBP1	A7MCY6	S207	YLALRGGSGLSHAGW	85 / 7 AA	68
Phosphosite 5:	TXNDC11	Q6PKC3	S544	RTISRGVSGFIDSEQ	85 / 7 AA	111
Phosphosite 6:	ZNF318	Q5VUA4	S505	ERASQDGSGFSRILS	75 / 8 AA	251
Phosphosite 7:	WTAP	Q15007	S326	ERTGRGGSGYVNQLS	83 / 6 AA	44
Phosphosite 8:	SRRM2	Q9UQ35	S1818	TRRRRGGSGYHSRSP	83 / 6 AA	300
Phosphosite 9:	EOMES	O95936	S29	LESARGGSGGSAGHL	77 / 9 AA	73
Phosphosite 10:	USP4	Q13107	S284	SRGGSGFSASYNCQE	100 / 6 AA	109
Phosphosite 11:	GJB1	P08034	S233	NPPSRKGSGFGHRLS	85 / 7 AA	32
Phosphosite 12:	FOXN3	O00409	S29	LSQCYGGSGFSKALQ	100 / 6 AA	54
Phosphosite 13:	K5	P13647	S554	SVGGSGFSASSGRGL	100 / 6 AA	62
Phosphosite 14:	K9	P35527	S582	GSGSRGGSGGSHGGG	87 / 8 AA	62
Phosphosite 15:	DMXL2	Q8TDJ6	S1784	LGCQKDGSGFSCKRL	71 / 7 AA	340
Phosphosite 16:	DMWD	Q09019	S554	GNISRGGSGGSGSGG	77 / 9 AA	70
Phosphosite 17:	K9	P35527	S516	GSGSRGGSGGSYGGG	87 / 8 AA	62
Phosphosite 18:	K9	P35527	S493	GRGSRGGSGGSYGGG	87 / 8 AA	62
Phosphosite 19:	HEATR5A	Q86XA9	S279	TGFLRGSSGFLRASG	83 / 6 AA	222
Phosphosite 20:	LIG3	P49916	S227	STNPRKFSGFSAKPN	66 / 9 AA	113