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:	USP54
Human P-Site:	S389
P-Site Sequence:	GREPSISSDTRTDSS
UniProt:	Q70EL1
Intern. Prot. ID:	IPI00418210

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	USP54	Q70EL1	S389	GREPSISSDTRTDSS	100 / 9 AA	187
Phosphosite 1:	USP54	Q70EL1	S388	SGREPSISSDTRTDS	100 / 8 AA	187
Phosphosite 2:	USP54	Q70EL1	T391	EPSISSDTRTDSSTE	100 / 7 AA	187
Phosphosite 3:	piccolo	Q9Y6V0	S4316	AGPLPPISADTRDQF	75 / 8 AA	567
Phosphosite 4:	FAT	Q14517	S4264	SYTPSIPSDSRNNLD	66 / 9 AA	506
Phosphosite 5:	PRPF40A	O75400	S642	ELYPTISSDIRFTNM	75 / 8 AA	109
Phosphosite 6:	PRPF40A	O75400	S641	MELYPTISSDIRFTN	75 / 8 AA	109
Phosphosite 7:	VPS52	Q8N1B4	S142	SDLSSISSEIRTLQE	66 / 9 AA	82
Phosphosite 8:	MPRIP	Q6WCQ1	S329	AVGPSPSSDTRQGRS	87 / 8 AA	117
Phosphosite 9:	ZNF507	Q8TCN5	S737	TSNEPRISSDTADGK	85 / 7 AA	106
Phosphosite 10:	LHX2	P50458	S47	TTMPSISSDRAALCA	100 / 6 AA	44
Phosphosite 11:	LHX2	P50458	S44	DTETTMPSISSDRAA	100 / 6 AA	44
Phosphosite 12:	LHX2	P50458	S46	ETTMPSISSDRAALC	100 / 6 AA	44
Phosphosite 13:	ZNF507	Q8TCN5	S738	SNEPRISSDTADGKC	85 / 7 AA	106
Phosphosite 14:	PYHIN1	Q6K0P9	S481	TVAPPLSSDTSTNRH	66 / 9 AA	55
Phosphosite 15:	COL12A1	Q99715	S186	VGVVQYSSDTRTEFN	100 / 6 AA	333
Phosphosite 16:	DENND4A	Q7Z401	S1523	HFPSSISSQTRQSCI	85 / 7 AA	209
Phosphosite 17:	USP54	Q70EL1	S386	EDSGREPSISSDTRT	100 / 6 AA	187
Phosphosite 18:	USP10	Q14694	S234	PFPGALGSDTRTAGQ	62 / 8 AA	87
Phosphosite 19:	RanBP2	P49792	S2809	SISSPSVSSETMDKP	62 / 8 AA	358
Phosphosite 20:	CDKL5	O76039	S536	SPTPTRHSDTRTLLS	66 / 9 AA	116