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:	USP50
Human P-Site:	Y328
P-Site Sequence:	GDLDGGHYTAFCKNS
UniProt:	Q70EL3
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	USP50	Q70EL3	Y328	GDLDGGHYTAFCKNS	100 / 9 AA	39
Phosphosite 1:	USP8	P40818	Y1068	GGLDGGHYTAYCKNA	88 / 9 AA	128
Phosphosite 2:	USP15	Q9Y4E8	Y892	GGMGGGHYTAFAKNK	87 / 8 AA	112
Phosphosite 3:	USP44	Q9H0E7	Y637	KGFGSGHYTAYCYNS	66 / 9 AA	81
Phosphosite 4:	USP49	Q70CQ1	Y616	KGFGSGHYTAYCYNT	66 / 9 AA	79
Phosphosite 5:	USP22	Q9UPT9	Y480	GTLESGHYTSFIRQH	55 / 9 AA	60
Phosphosite 6:	USP51	Q70EK9	Y666	GTLESGHYTSFIRQQ	55 / 9 AA	80
Phosphosite 7:	USP27X	A6NNY8	Y381	GTLESGHYTSFIRHH	55 / 9 AA	50
Phosphosite 8:	USP34	Q70CQ2	Y2165	GTADGGHYYSFIRDI	66 / 9 AA	404
Phosphosite 9:	USP31	Q70CQ4	Y727	QGGHYTAYCKNSVDG	83 / 6 AA	147
Phosphosite 10:	USP8	P40818	Y1071	DGGHYTAYCKNAARQ	83 / 6 AA	128
Phosphosite 11:	USP2	O75604	Y561	MGGHYTAYCRSPGTG	83 / 6 AA	68
Phosphosite 12:	USP44	Q9H0E7	Y640	GSGHYTAYCYNSEGG	83 / 6 AA	81
Phosphosite 13:	A1BG	P04217	Y277	ALGDGGHYTCRYRLH	100 / 6 AA	54
Phosphosite 14:	USP49	Q70CQ1	Y619	GSGHYTAYCYNTEGG	83 / 6 AA	79
Phosphosite 15:	USP22	Q9UPT9	T481	TLESGHYTSFIRQHK	62 / 8 AA	60
Phosphosite 16:	USP51	Q70EK9	T667	TLESGHYTSFIRQQK	62 / 8 AA	80
Phosphosite 17:	USP27X	A6NNY8	T382	TLESGHYTSFIRHHK	62 / 8 AA	50
Phosphosite 18:	USP22	Q9UPT9	S482	LESGHYTSFIRQHKD	71 / 7 AA	60
Phosphosite 19:	USP51	Q70EK9	S668	LESGHYTSFIRQQKD	71 / 7 AA	80
Phosphosite 20:	calsequestrin 1	P31415	Y188	KSKDSEHYKAFEDAA	62 / 8 AA	44