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:	USP21
Human P-Site:	Y290
P-Site Sequence:	FRAVFQKYVPSFSGY
UniProt:	Q9UK80
Intern. Prot. ID:	IPI00007262

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	USP21	Q9UK80	Y290	FRAVFQKYVPSFSGY	100 / 9 AA	63
Phosphosite 1:	GUCY1B2	O75343	Y218	ARVNIQKYVPGLQTQ	62 / 8 AA	70
Phosphosite 2:	RhoE	P61587	Y60	VPTVFENYTASFEID	55 / 9 AA	27
Phosphosite 3:	RND2	P52198	Y44	VPTVFENYTASFEID	55 / 9 AA	25
Phosphosite 4:	EZH1	Q92800	Y662	RGKVYDKYMSSFLFN	55 / 9 AA	85
Phosphosite 5:	KIAA0423	Q9Y4F4	Y1408	FEKMLEKYVPSKDLP	62 / 8 AA	189
Phosphosite 6:	USP21	Q9UK80	S293	VFQKYVPSFSGYSQQ	100 / 6 AA	63
Phosphosite 7:	C6orf152	Q86VQ0	Y556	NEFAFGSYVPSFAKT	66 / 9 AA	81
Phosphosite 8:	AASDH	Q4L235	Y504	IFKELQKYLPSHAVP	62 / 8 AA	123
Phosphosite 9:	TMEM2	Q9UHN6	Y888	TRSTFKKYVPTPDRY	62 / 8 AA	154
Phosphosite 10:	LBX2	Q6XYB7	Y109	RRFVFQKYLAPSERD	62 / 8 AA	21
Phosphosite 11:	C10orf12	Q8N655	Y910	VKHPLQKYAPSSLYP	71 / 7 AA	137
Phosphosite 12:	VPS53	Q5VIR6	Y504	LTTIFQKYLREYAWK	44 / 9 AA	80
Phosphosite 13:	DNAH11	Q96DT5	Y669	NPDHALVYQKYVEMT	83 / 6 AA	521
Phosphosite 14:	PIK3C3	Q8NEB9	Y707	IQNFFRKYAPSENGP	71 / 7 AA	102
Phosphosite 15:	MLL	Q03164	Y3046	VPIQNQKYVPNSTDS	83 / 6 AA	432
Phosphosite 16:	ICK	Q9UPZ9	Y555	SSGLTGNYVPSFLKK	83 / 6 AA	71
Phosphosite 17:	RIMKLB	Q9ULI2	Y195	APYLFQKYVKESHGR	83 / 6 AA	42
Phosphosite 18:	RIMKLA	Q8IXN7	Y191	VPYLFQKYVKESHGK	83 / 6 AA	43
Phosphosite 19:	GALNT10	Q86SR1	Y375	VGHIYRKYVPYKVPA	57 / 7 AA	69
Phosphosite 20:	GALNTL6	Q49A17	Y370	VGHIYRKYVPYKVPS	57 / 7 AA	70