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:	S942
P-Site Sequence:	PQSEKSESTPDVKLT
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	S942	PQSEKSESTPDVKLT	100 / 9 AA	121
Phosphosite 1:	USP53	Q70EK8	T943	QSEKSESTPDVKLTE	100 / 8 AA	121
Phosphosite 2:	USP53	Q70EK8	S940	SVPQSEKSESTPDVK	100 / 7 AA	121
Phosphosite 3:	C3orf63	Q9UK61	S520	APQERHESMPDVLKI	66 / 9 AA	189
Phosphosite 4:	GPS1	Q13098	T228	YVSKAESTPEIAEQR	62 / 8 AA	56
Phosphosite 5:	GPS1	Q13098	S227	SYVSKAESTPEIAEQ	62 / 8 AA	56
Phosphosite 6:	DRP2	Q13474	T909	HPREKGQTTPDTEAA	55 / 9 AA	108
Phosphosite 7:	RIZ	Q13029	T941	PAPTVESTPDVCPSS	100 / 6 AA	189
Phosphosite 8:	RP1-199H16.1	Q5TG08	S453	VRREKTTSTPDCTPT	66 / 9 AA	75
Phosphosite 9:	RP1-199H16.1	Q5TG08	T452	IVRREKTTSTPDCTP	75 / 8 AA	75
Phosphosite 10:	CD200R	Q8TD46	S279	YKLNKTESTPVVEED	75 / 8 AA	37
Phosphosite 11:	MADD	Q8WXG6	S149	LQPLSADSTPDVNQS	71 / 7 AA	183
Phosphosite 12:	MADD	Q8WXG6	T150	QPLSADSTPDVNQSP	71 / 7 AA	183
Phosphosite 13:	CD200R	Q8TD46	T280	KLNKTESTPVVEEDE	75 / 8 AA	37
Phosphosite 14:	COL28A1	Q2UY09	S1011	SGEELSESTPEPQKE	75 / 8 AA	117
Phosphosite 15:	ZC3H12C	Q9C0D7	S478	PCSTKADSTSDVKRG	62 / 8 AA	99
Phosphosite 16:	CASP10	Q92851	S57	KKLEKSSSASDVFEH	66 / 9 AA	59
Phosphosite 17:	UNC80	Q8N2C7	S780	KNQEKDESTPVSNHR	85 / 7 AA	363
Phosphosite 18:	GIDRP88	Q7Z5L2	S338	RECEKNDSTADELHV	62 / 8 AA	88
Phosphosite 19:	SCN8A	Q9UQD0	S1937	THREKKESTPSTASL	85 / 7 AA	225
Phosphosite 20:	PLEKHA5	Q9HAU0	S1073	ETVISYESTPEVSRG	83 / 6 AA	127