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:	S620
P-Site Sequence:	ISNKPKSSKDPSFSN
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	S620	ISNKPKSSKDPSFSN	100 / 9 AA	121
Phosphosite 1:	USP53	Q70EK8	S619	NISNKPKSSKDPSFS	100 / 8 AA	121
Phosphosite 2:	FRMPD3	Q5JV73	S1242	EGPAKPKSSRGPFRL	75 / 8 AA	199
Phosphosite 3:	KAL1	P23352	S284	PSKHFRSSKDPSAPP	85 / 7 AA	76
Phosphosite 4:	ZNF521	Q96K83	S11	RKQAKPRSLKDPNCK	75 / 8 AA	148
Phosphosite 5:	XKR5	Q6UX68	S459	QQELPSSSRDPSTLE	75 / 8 AA	75
Phosphosite 6:	DOM3Z	O77932	S203	CADKPGSSPDPSGEV	77 / 9 AA	45
Phosphosite 7:	E2F2	Q14209	S336	DSAQPSSSTDPSIME	66 / 9 AA	48
Phosphosite 8:	CKMT2	P17540	S337	HVRIPKLSKDPRFSK	85 / 7 AA	48
Phosphosite 9:	KIAA1161	Q6NSJ0	S51	SPAKPKPSKDLKPLL	85 / 7 AA	81
Phosphosite 10:	PTPN13	Q12923	S1615	AQVLPNSSKDSSQPS	75 / 8 AA	277
Phosphosite 11:	CHD7	Q9P2D1	S695	ATPKPKSSKKSSNKK	77 / 9 AA	336
Phosphosite 12:	CEP192	Q8TEP8	S541	VKPDFRWSKDPSSKS	71 / 7 AA	213
Phosphosite 13:	LIG3	P49916	S751	ELDMVKISKDPSKIP	66 / 9 AA	113
Phosphosite 14:	MLLT1	Q03111	S226	EREQAKSSKDTSRKL	75 / 8 AA	62
Phosphosite 15:	AFAP1L2	Q8N4X5	S209	RLLCYKSSKDHSPQL	85 / 7 AA	91
Phosphosite 16:	CDK13	Q14004	S285	AHRSRTKSSKEPPSA	62 / 8 AA	165
Phosphosite 17:	MeCP2	P51608	S178	KPPKKPKSPKAPGTG	75 / 8 AA	52
Phosphosite 18:	MTMR8	Q96EF0	S118	AFSYNPKSSKEMRES	71 / 7 AA	79
Phosphosite 19:	TF2B	Q00403	T61	TFSNDKATKDPSRVG	71 / 7 AA	35
Phosphosite 20:	C10orf92	Q8IYW2	S168	EEEGATKSSRDPPAS	83 / 6 AA	95