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:	Y77
P-Site Sequence:	EYFLTGKYITALQKF
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	Y77	EYFLTGKYITALQKF	100 / 9 AA	39
Phosphosite 1:	SULF1	Q8IWU6	Y99	SSMLTGKYVHNHNVY	83 / 6 AA	101
Phosphosite 2:	SULF2	Q8IWU5	Y100	SSILTGKYVHNHNTY	83 / 6 AA	100
Phosphosite 3:	SULF1	Q8IWU6	T96	PSRSSMLTGKYVHNH	83 / 6 AA	101
Phosphosite 4:	PPAT	Q06203	Y511	TACLTGKYPVELEW_	66 / 9 AA	57
Phosphosite 5:	KCNH6	Q9H252	Y463	GPSVQDKYVTALYFT	71 / 7 AA	110
Phosphosite 6:	SULF2	Q8IWU5	T97	PSRSSILTGKYVHNH	83 / 6 AA	100
Phosphosite 7:	PLK4	O00444	Y545	KQQNTMKYMTALHSK	75 / 8 AA	109
Phosphosite 8:	KCNH7	Q9NS40	Y614	GPSIKDKYVTALYFT	55 / 9 AA	135
Phosphosite 9:	KCNH2	Q12809	Y611	GPSIKDKYVTALYFT	55 / 9 AA	127
Phosphosite 10:	PSMB8	P28062	Y97	SRASAGSYISALRVN	62 / 8 AA	30
Phosphosite 11:	SUOX	P51687	Y207	PELLTENYITPNPIF	62 / 8 AA	60
Phosphosite 12:	NEBL	O76041	Y402	PEFLHVKYITNLLRE	66 / 9 AA	116
Phosphosite 13:	NLE1	Q9NVX2	Y406	WDGRTGKYLASLRGH	62 / 8 AA	53
Phosphosite 14:	MTHFD1	P11586	S87	EVMKYITSLNEDSTV	83 / 6 AA	102
Phosphosite 15:	YPEL2	Q96QA6	Y105	QKYKEGKYIIELAHM	71 / 7 AA	14
Phosphosite 16:	YPEL3	P61236	Y105	QKYKEGKYIIELNHM	71 / 7 AA	14
Phosphosite 17:	ABLIM1	O14639	Y264	GKVLTGEYISKDGAP	71 / 7 AA	52
Phosphosite 18:	WIBG	Q9BRP8	Y15	AATETGKYIASTQRP	71 / 7 AA	23
Phosphosite 19:	MTHFD1	P11586	Y84	TESEVMKYITSLNED	83 / 6 AA	102
Phosphosite 20:	UBA52	P62987	T12	VKTLTGKTITLEVEP	85 / 7 AA	6