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:	S6
P-Site Sequence:	__MTSQPSLPADDFD
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	S6	__MTSQPSLPADDFD	100 / 9 AA	39
Phosphosite 1:	WWC2	Q6AWC2	S1186	RAKISIPSLPADDV_	77 / 9 AA	134
Phosphosite 2:	Myb	P10242	S356	GEHHSTPSLPADPGS	87 / 8 AA	72
Phosphosite 3:	HCN1	O60741	S792	PLSASQPSLPHEVST	66 / 9 AA	99
Phosphosite 4:	PSD4	Q8NDX1	S756	RPEKAQPSLPAGKMS	66 / 9 AA	116
Phosphosite 5:	DOCK8	Q8NF50	S106	ECRTLQPSLPEEGVE	66 / 9 AA	239
Phosphosite 6:	AFF2	P51816	S349	ILQTSEVSLPSDPSC	66 / 9 AA	145
Phosphosite 7:	LPAR4	Q99677	S345	TPLTTKPSLPAIQEE	75 / 8 AA	42
Phosphosite 8:	CRTC2	Q53ET0	S371	QGSHSHPSLPASSLA	85 / 7 AA	73
Phosphosite 9:	Hcn2	Q9UL51	S826	PLSASQPSLPHGAPG	85 / 7 AA	97
Phosphosite 10:	UBR5	O95071	S2738	YFWTSSPSLPASEEG	87 / 8 AA	309
Phosphosite 11:	KIAA0947	Q9Y2F5	S1088	ETQDTSQSSLPGTLH	75 / 8 AA	248
Phosphosite 12:	Smad2	Q15796	S296	TFHASQPSLTVDGFT	66 / 9 AA	52
Phosphosite 13:	TP53BP1	Q12888	S834	EQDSSQPSLPLVRAD	85 / 7 AA	214
Phosphosite 14:	HCN3	Q9P1Z3	S718	PLSASQPSLPQRATG	85 / 7 AA	86
Phosphosite 15:	C12orf43	Q96C57	S61	QLSTSQPSLRHKVNE	85 / 7 AA	28
Phosphosite 16:	MUC16	Q8WXI7	S5737	SGHESQSSVPADSHT	75 / 8 AA	2353
Phosphosite 17:	KIAA0947	Q9Y2F5	S1089	TQDTSQSSLPGTLHC	75 / 8 AA	248
Phosphosite 18:	TNRC6C	Q9HCJ0	S1107	PLNSSQPSLRAQVPQ	66 / 9 AA	176
Phosphosite 19:	METTL1	Q9UBP6	S272	QAVTSQTSLPGH___	66 / 9 AA
Phosphosite 20:	EP300	Q09472	S900	LPQQVQPSLPAAPSA	100 / 6 AA	264