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:	Y362
P-Site Sequence:	ANLMWKRYLEREDSK
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	Y362	ANLMWKRYLEREDSK	100 / 9 AA	63
Phosphosite 1:	USP2	O75604	Y403	GRQMWRKYLEREDSR	77 / 9 AA	68
Phosphosite 2:	FAM26F	Q5R3K3	Y213	QLKFWKIYLEQEQQI	66 / 9 AA	34
Phosphosite 3:	TAF1B	Q53T94	Y112	LHNFWKRYLQKSKQA	62 / 8 AA	69
Phosphosite 4:	CYP27A1	Q02318	Y271	VLPFWKRYLDGWNAI	71 / 7 AA	60
Phosphosite 5:	DBT	P11182	S469	RFSNLWKSYLENPAF	71 / 7 AA	53
Phosphosite 6:	SETD4	Q9NVD3	Y129	HRSLWKPYLEILPKA	71 / 7 AA	50
Phosphosite 7:	LOC56964	Q6P2C0	Y340	FNASYKKYLDREWEE	62 / 8 AA	77
Phosphosite 8:	RTP2	Q5QGT7	Y47	LAPGWKQYLEQHASG	71 / 7 AA	26
Phosphosite 9:	MTA1	Q13330	Y140	ETESLKSYLEREDFF	75 / 8 AA	81
Phosphosite 10:	ATP2C2	O75185	Y106	SEPVWKKYLDQFKNP	50 / 8 AA	103
Phosphosite 11:	CUEDC1	Q9NWM3	Y230	QESRWKQYLEDERIA	75 / 8 AA	42
Phosphosite 12:	TSPYL1	Q9H0U9	Y264	FGRMRRHYLERRNYI	62 / 8 AA	49
Phosphosite 13:	RTP1	P59025	Y83	LSPGWKQYLELHASG	83 / 6 AA	31
Phosphosite 14:	MSH2	P43246	Y874	EPAAKKCYLEREQGE	85 / 7 AA	105
Phosphosite 15:	MAGEE2	Q8TD90	Y449	RKLMRQRYLECRPLS	71 / 7 AA	60
Phosphosite 16:	GRHL2	Q6ISB3	S38	SEDEAWKSYLENPLT	83 / 6 AA
Phosphosite 17:	TMCO4	Q5TGY1	Y190	NRRKWKRYLLIGLAT	83 / 6 AA	68
Phosphosite 18:	CCDC108	Q6ZU64	Y1139	SLDLLNSYLERDPTP	44 / 9 AA	217
Phosphosite 19:	PRPF39	Q86UA1	Y359	QLKNWKEYLEFEIEN	75 / 8 AA	78
Phosphosite 20:	TMEM206	Q9H813	Y338	MIKIRKRYLKRRGQA	62 / 8 AA	40