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:	S113
P-Site Sequence:	TNLARSKSVSSGDLR
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	S113	TNLARSKSVSSGDLR	100 / 9 AA	63
Phosphosite 1:	DOCK6	Q96HP0	S880	LYLARSKSISSSNPD	87 / 8 AA	230
Phosphosite 2:	USP21	Q9UK80	S111	SRTNLARSKSVSSGD	100 / 7 AA	63
Phosphosite 3:	C2CD4B	A6NLJ0	S201	RRLARVRSVSSGNED	77 / 9 AA	39
Phosphosite 4:	IRS2	Q9Y4H2	S306	EFRPRSKSQSSGSSA	77 / 9 AA	137
Phosphosite 5:	DOCK6	Q96HP0	S878	ASLYLARSKSISSSN	85 / 7 AA	230
Phosphosite 6:	ARHGAP25	P42331	S25	AKIARSRSVMTGEQM	66 / 9 AA	73
Phosphosite 7:	USP21	Q9UK80	S115	LARSKSVSSGDLRPM	100 / 7 AA	63
Phosphosite 8:	PFTAIRE1	O94921	S282	FGLARAKSVPSHTYS	75 / 8 AA	53
Phosphosite 9:	MAP2	P11137	S833	AEVARRKSVPSETVV	66 / 9 AA	200
Phosphosite 10:	FHOD3	Q2V2M9	S502	EKELRSRSVSRGRAD	75 / 8 AA	159
Phosphosite 11:	MACC1	Q6ZN28	S139	RNSGRSKSVSELLDI	85 / 7 AA	97
Phosphosite 12:	C20orf117	O94964	S926	NGLKRTKSVSSMSEF	85 / 7 AA	160
Phosphosite 13:	Lmr3	Q96Q04	S533	VISARSPSVSSEYYI	87 / 8 AA	156
Phosphosite 14:	MACC1	Q6ZN28	S137	SSRNSGRSKSVSELL	85 / 7 AA	97
Phosphosite 15:	SFRS5	Q13243	S267	RSRSRSRSVDSGN__	75 / 8 AA	31
Phosphosite 16:	TrpC5	Q9UL62	S796	GARAKSKSVSFNLGC	85 / 7 AA	111
Phosphosite 17:	ZCCHC10	Q8TBK6	S107	AKKKRSKSVTSSSSS	85 / 7 AA	21
Phosphosite 18:	WRN	Q14191	S1083	LPSSKTVSSGTKEHC	85 / 7 AA	162
Phosphosite 19:	Tmem87b	Q96K49	S494	IKLRASKSVSNGTAK	85 / 7 AA	64
Phosphosite 20:	ZNF750	Q32MQ0	S90	AKPASSKSVANGLSA	66 / 9 AA	77