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:	T943
P-Site Sequence:	QSEKSESTPDVKLTE
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	T943	QSEKSESTPDVKLTE	100 / 9 AA	121
Phosphosite 1:	USP53	Q70EK8	S942	PQSEKSESTPDVKLT	100 / 8 AA	121
Phosphosite 2:	RP1	P56715	S1576	TGSYSESSPDLKKCI	75 / 8 AA	241
Phosphosite 3:	GPS1	Q13098	T228	YVSKAESTPEIAEQR	62 / 8 AA	56
Phosphosite 4:	GPS1	Q13098	S227	SYVSKAESTPEIAEQ	62 / 8 AA	56
Phosphosite 5:	RIZ	Q13029	T941	PAPTVESTPDVCPSS	100 / 6 AA	189
Phosphosite 6:	CENPC1	Q03188	S277	VKRKSESSPIVRHAA	66 / 9 AA	107
Phosphosite 7:	NAP1L3	Q99457	T245	SKDCMEATPEVKEDP	71 / 7 AA	58
Phosphosite 8:	MADD	Q8WXG6	T150	QPLSADSTPDVNQSP	62 / 8 AA	183
Phosphosite 9:	CYTSA	Q69YQ0	T838	SSTSSEPTPTVKTLI	75 / 8 AA	125
Phosphosite 10:	IRF-6	O14896	T425	SVRLQISTPDIKDNI	83 / 6 AA	53
Phosphosite 11:	MADD	Q8WXG6	S149	LQPLSADSTPDVNQS	71 / 7 AA	183
Phosphosite 12:	CD200R	Q8TD46	S279	YKLNKTESTPVVEED	75 / 8 AA	37
Phosphosite 13:	CENPC1	Q03188	S276	TVKRKSESSPIVRHA	75 / 8 AA	107
Phosphosite 14:	PLEKHA5	Q9HAU0	S1073	ETVISYESTPEVSRG	83 / 6 AA	127
Phosphosite 15:	PLEKHA5	Q9HAU0	T1074	TVISYESTPEVSRGN	83 / 6 AA	127
Phosphosite 16:	USP53	Q70EK8	S940	SVPQSEKSESTPDVK	100 / 6 AA	121
Phosphosite 17:	CD200R	Q8TD46	T280	KLNKTESTPVVEEDE	75 / 8 AA	37
Phosphosite 18:	ATF7	P17544	T112	LDMSLPSTPDIKIKE	83 / 6 AA	53
Phosphosite 19:	ZC3H12C	Q9C0D7	S480	STKADSTSDVKRGAP	62 / 8 AA	99
Phosphosite 20:	ZC3H12C	Q9C0D7	S478	PCSTKADSTSDVKRG	62 / 8 AA	99