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:	USP53
Human P-Site:	S974
P-Site Sequence:	SEPSLEVSTHMNDER
UniProt:	Q70EK8
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	USP53	Q70EK8	S974	SEPSLEVSTHMNDER	100 / 9 AA	121
Phosphosite 1:	ROBO4	Q8WZ75	T410	QTQLEIATHMPGSYC	71 / 7 AA	107
Phosphosite 2:	PRKAR2A	P13861	S268	LLKSLEVSERMKIVD	66 / 9 AA	46
Phosphosite 3:	RGNEF	Q8N1W1	S160	GSSSLEVSSHRESLL	66 / 9 AA	192
Phosphosite 4:	JAK2	O60674	T530	SPTLQRPTHMNQMVF	62 / 8 AA	131
Phosphosite 5:	FRMD6	Q96NE9	S476	NEESLEVSPDMCIYI	75 / 8 AA	72
Phosphosite 6:	CEP164	Q9UPV0	S389	ASQELEISEHMKEPQ	62 / 8 AA	164
Phosphosite 7:	DDX50	Q9BQ39	S117	RVSSLDTSTHKSSDN	55 / 9 AA	83
Phosphosite 8:	DDX50	Q9BQ39	T116	KRVSSLDTSTHKSSD	62 / 8 AA	83
Phosphosite 9:	PAX3	P23760	S30	SGFPLEVSTPLGQGR	55 / 9 AA	53
Phosphosite 10:	PAX7	P23759	S30	TGFPLEVSTPLGQGR	55 / 9 AA	57
Phosphosite 11:	FHDC1	Q9C0D6	T82	PPPGLPPTTHMNGYS	55 / 9 AA	125
Phosphosite 12:	claudin 16	Q9Y5I7	S110	ADDSLEVSTKCRGLW	100 / 6 AA	34
Phosphosite 13:	FHDC1	Q9C0D6	T83	PPGLPPTTHMNGYSH	62 / 8 AA	125
Phosphosite 14:	HIVEP1	P15822	S1534	TQLSLQVSTQGSKPD	71 / 7 AA	297
Phosphosite 15:	ZNF286A	Q9HBT8	T178	RHLREMFTHMNSLSE	71 / 7 AA	60
Phosphosite 16:	RGNEF	Q8N1W1	S161	SSSLEVSSHRESLLH	62 / 8 AA	192
Phosphosite 17:	PIK3C2B	O00750	T879	YVLLKQWTHMNHQDA	62 / 8 AA	185
Phosphosite 18:	RP1	P56715	S264	KSESRKISTHMSSSS	55 / 9 AA	241
Phosphosite 19:	TNS3	Q68CZ2	T718	PTFEPIPTHMNALGS	66 / 6 AA	155
Phosphosite 20:	KIF3C	O14782	T207	QTRAVGSTHMNEVSS	100 / 5 AA	89