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:	T204
P-Site Sequence:	DDKMAHHTLLLGSGH
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	T204	DDKMAHHTLLLGSGH	100 / 9 AA	63
Phosphosite 1:	ALS2CR8	Q8N187	S607	SAVMNNNSLLLGQSH	55 / 9 AA	81
Phosphosite 2:	PRUNE2	Q8WUY3	T102	EGAGPHHTLLPGLDS	75 / 8 AA	34
Phosphosite 3:	MAN1A1	P33908	Y497	PEGMAQHYLELGAEI	66 / 9 AA	73
Phosphosite 4:	PDHK3	Q15120	T169	RMLINQHTLLFGGDT	55 / 9 AA	47
Phosphosite 5:	BAT3	P46379	T810	NIRMATHTLITGLEE	66 / 9 AA	119
Phosphosite 6:	NAT9	Q9BTE0	T7	_MRLNQNTLLLGKKV	55 / 9 AA	23
Phosphosite 7:	ATXN1	P54253	T280	HQTMIPHTLTLGPPS	66 / 9 AA	87
Phosphosite 8:	HIVEP3	Q5T1R4	T2212	ARPGAHPTLLPGPTA	75 / 8 AA	259
Phosphosite 9:	CSPG3	O14594	T124	PRRRANATLLLGPLR	66 / 9 AA	143
Phosphosite 10:	RTL1	A6NKG5	T1015	RNTAARQTLLLASRG	62 / 8 AA	155
Phosphosite 11:	HDAC9	Q9UKV0	S699	LVHSEHHSLLYGTNP	62 / 8 AA	111
Phosphosite 12:	PLK3	Q9H4B4	T156	HIWKARHTLLEPEVR	71 / 7 AA	72
Phosphosite 13:	HDAC5	Q9UQL6	T749	TVHSEYHTLLYGTSP	62 / 8 AA	122
Phosphosite 14:	SIAE	Q9HAT2	T102	FEVMAQQTLEKINFT	66 / 6 AA	58
Phosphosite 15:	METTL1	Q9UBP6	T34	SNPMADHTLRYPVKP	83 / 6 AA
Phosphosite 16:	Putative uncharacterized protein ENSP00000381562	A8MU10	S58	RAASAHRSLLLPRTV	71 / 7 AA	10
Phosphosite 17:	CCL17	Q92583	T11	LKMLALVTLLLGASL	66 / 9 AA	11
Phosphosite 18:	GATAD2B	Q8WXI9	T507	ETIMRHHTLRQAPQP	83 / 6 AA	65
Phosphosite 19:	SPEG	Q15772	T778	RAEGERHTLLLREAR	71 / 7 AA	354
Phosphosite 20:	BAIAP2L2	Q6UXY1	T342	HSEGANHTLLRFSAG	83 / 6 AA	59