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:	USP44
Human P-Site:	S548
P-Site Sequence:	NSKRRRFSSKPVVLT
UniProt:	Q9H0E7
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	USP44	Q9H0E7	S548	NSKRRRFSSKPVVLT	100 / 9 AA	81
Phosphosite 1:	USP44	Q9H0E7	S549	SKRRRFSSKPVVLTE	100 / 8 AA	81
Phosphosite 2:	ZNF518A	Q6AHZ1	S655	SNKRRRFSGTAVYEN	66 / 9 AA	167
Phosphosite 3:	TTC39A	Q5SRH9	S447	RKSRRYFSSNPISLP	66 / 9 AA	70
Phosphosite 4:	Cdc25B	P30305	S151	FAIRRFQSMPVRLLG	75 / 8 AA	65
Phosphosite 5:	CDR1	P51861	S154	FFGRRRFSGRPKLSG	75 / 8 AA	31
Phosphosite 6:	ZNF84	P51523	S217	SECRKRFSKKPSLIK	75 / 8 AA	85
Phosphosite 7:	MRPS22	P82650	S54	GLPRRRFSSEAAESG	66 / 9 AA	41
Phosphosite 8:	MTMR12	Q9C0I1	S716	ALLQRHSSKPVLPTS	75 / 8 AA	86
Phosphosite 9:	MTMR12	Q9C0I1	S715	FALLQRHSSKPVLPT	75 / 8 AA	86
Phosphosite 10:	SON	P18583	S2029	TPLRRRFSRSPIRRK	66 / 9 AA	264
Phosphosite 11:	ZNF775	Q96BV0	S319	PECGRRFSQKPNLTR	85 / 7 AA	60
Phosphosite 12:	HIVEP2	P31629	S1945	PQPPRFSSLPVNVGA	85 / 7 AA	269
Phosphosite 13:	HIVEP2	P31629	S1944	SPQPPRFSSLPVNVG	85 / 7 AA	269
Phosphosite 14:	SMARCAD1	Q9H4L7	S691	SEIRRMFSSKTKSAD	85 / 7 AA	117
Phosphosite 15:	UNC80	Q8N2C7	S3000	AIGRRRFSSHVSSMS	100 / 6 AA	363
Phosphosite 16:	Wnk4	Q96J92	S47	PRRARRFSGKAEPRP	71 / 7 AA	135
Phosphosite 17:	CASP9	P55211	S195	EKLRRRFSSLHFMVE	100 / 6 AA	46
Phosphosite 18:	RREB1	Q92766	S169	PLKRRRLSSKRKLSH	85 / 7 AA	181
Phosphosite 19:	ZNF280D	Q6N043	S877	NSSEARFSSKNIKDL	71 / 7 AA	109
Phosphosite 20:	MRPS22	P82650	S55	LPRRRFSSEAAESGS	62 / 8 AA	41