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:	S111
P-Site Sequence:	SRTNLARSKSVSSGD
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	S111	SRTNLARSKSVSSGD	100 / 9 AA	63
Phosphosite 1:	DOCK6	Q96HP0	S878	ASLYLARSKSISSSN	77 / 9 AA	230
Phosphosite 2:	TAF7L	Q5H9L4	S120	TVRNLARSQSVKMKD	87 / 8 AA	53
Phosphosite 3:	USP21	Q9UK80	S113	TNLARSKSVSSGDLR	100 / 7 AA	63
Phosphosite 4:	ERI2	A8K979	S28	ANGNLGRSKSKQLFD	85 / 7 AA	77
Phosphosite 5:	MACC1	Q6ZN28	S137	SSRNSGRSKSVSELL	77 / 9 AA	97
Phosphosite 6:	MAP7	Q14244	S240	THSFLARSKSTAALS	75 / 8 AA	84
Phosphosite 7:	DOCK6	Q96HP0	S880	LYLARSKSISSSNPD	85 / 7 AA	230
Phosphosite 8:	ST5	P78524	S28	PRGTLSRSQSVSPPP	66 / 9 AA	126
Phosphosite 9:	GR	P04150	S132	SIANLNRSTSVPENP	66 / 9 AA	86
Phosphosite 10:	MACC1	Q6ZN28	S139	RNSGRSKSVSELLDI	85 / 7 AA	97
Phosphosite 11:	DOCK7	Q96N67	S894	ASLNLNRSRSLSNSN	66 / 9 AA	243
Phosphosite 12:	PIK3C2A	O00443	S612	RAVNLPRSKTADVTS	62 / 8 AA	191
Phosphosite 13:	C20orf117	O94964	T924	GGNGLKRTKSVSSMS	75 / 8 AA	160
Phosphosite 14:	CCDC46	Q8N8E3	T633	EKVEADLTRSKSLRE	71 / 7 AA	113
Phosphosite 15:	RICS	A7KAX9	S669	SFFNLGKSSSVSKRK	66 / 9 AA	231
Phosphosite 16:	SYNE1	Q8NF91	S4266	EWDNLARSDAESTAV	66 / 9 AA	1011
Phosphosite 17:	TrpC5	Q9UL62	S796	GARAKSKSVSFNLGC	85 / 7 AA	111
Phosphosite 18:	C5orf6	Q9NYF3	S271	GLRNLPRSRSQPCDL	71 / 7 AA	43
Phosphosite 19:	GPR98	Q8WXG9	S3762	ATIDQDRSKSVITTL	62 / 8 AA	693
Phosphosite 20:	SLAIN1	Q8ND83	S536	NGSNLPRSKIAQPVR	83 / 6 AA	61