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:	S357
P-Site Sequence:	NPDGTAVSTEDALRQ
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	S357	NPDGTAVSTEDALRQ	100 / 9 AA	121
Phosphosite 1:	USP54	Q70EL1	S358	DPQGTPVSTQDLPPQ	75 / 8 AA	187
Phosphosite 2:	SPARCL1	Q14515	T60	EKETAVSTEDDSHHK	100 / 7 AA	75
Phosphosite 3:	SPARCL1	Q14515	S59	NEKETAVSTEDDSHH	100 / 7 AA	75
Phosphosite 4:	Mad4	Q14582	S151	DSTGSAVSTDDSEQE	66 / 9 AA	24
Phosphosite 5:	SGK110	P0C264	S325	GVLGSAVSYEDREEG	75 / 8 AA	38
Phosphosite 6:	LARP4	Q71RC2	T116	ESNSAVSTEDLKECL	85 / 7 AA	81
Phosphosite 7:	MATN3	O15232	S441	EEARRLVSTEDACGC	100 / 6 AA	53
Phosphosite 8:	MATN3	O15232	T442	EARRLVSTEDACGCE	100 / 6 AA	53
Phosphosite 9:	RFTN1	Q14699	T361	FIFEAVSTEDSKTIQ	85 / 7 AA	63
Phosphosite 10:	RFTN1	Q14699	S183	APVSTANSTEDARDA	77 / 9 AA	63
Phosphosite 11:	AlphaK3	Q96QP1	S794	PEGETAESTEDAPLD	87 / 8 AA	139
Phosphosite 12:	VNN2	O95498	S46	NKTETPVSQEDALNL	75 / 8 AA	59
Phosphosite 13:	SKIV2L	Q15477	S270	KEASTAVSTPEAPEP	66 / 9 AA	138
Phosphosite 14:	NOP58	Q9Y2X3	S247	ISMGTEVSEEDICNI	75 / 8 AA	60
Phosphosite 15:	EVI2B	P34910	S331	STVGTAVSSSDDADL	75 / 8 AA	49
Phosphosite 16:	SKIV2L	Q15477	T271	EASTAVSTPEAPEPP	75 / 8 AA	138
Phosphosite 17:	ELYS	Q8WYP5	S224	SPTGTAVSTLSYISR	100 / 6 AA	252
Phosphosite 18:	PLAC1L	Q86WS3	S125	SVWLTPVSTENEIKL	71 / 7 AA	18
Phosphosite 19:	C9orf78	Q9NZ63	S189	AKIKNIISTEDAKAR	83 / 6 AA	34
Phosphosite 20:	Mad4	Q14582	T152	STGSAVSTDDSEQEV	62 / 8 AA	24