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:	USP28
Human P-Site:	S503
P-Site Sequence:	QDVESTFSSPEDSLP
UniProt:	Q96RU2
Intern. Prot. ID:	IPI00045496

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	USP28	Q96RU2	S503	QDVESTFSSPEDSLP	100 / 9 AA	122
Phosphosite 1:	USP28	Q96RU2	S504	DVESTFSSPEDSLPK	100 / 8 AA	122
Phosphosite 2:	WDR42C	P0C7V8	S21	LGTESLFSSPEEQSG	77 / 9 AA	68
Phosphosite 3:	WDR42B	A6NGE4	S21	LVTESLFSSPEEQSG	77 / 9 AA	67
Phosphosite 4:	PNPLA4	P41247	S131	HLVSTFSSREDLIKV	87 / 8 AA	28
Phosphosite 5:	PNPLA4	P41247	S130	NHLVSTFSSREDLIK	87 / 8 AA	28
Phosphosite 6:	FN1	P02751	S1668	RYRVTYSSPEDGIHE	85 / 7 AA	263
Phosphosite 7:	USP28	Q96RU2	T501	SSQDVESTFSSPEDS	100 / 7 AA	122
Phosphosite 8:	C7orf31	Q8N865	S165	TMFPTFTSPEDLYTG	75 / 8 AA	68
Phosphosite 9:	PLAA	Q9Y263	S188	GRCERTFSGHEDCVR	66 / 9 AA	87
Phosphosite 10:	ELF1	P32519	S127	INNNIFSSPEDDMVV	75 / 8 AA	67
Phosphosite 11:	FLJ12707	Q9H9C1	S353	TEAEGTFSSPVNLKK	66 / 9 AA	57
Phosphosite 12:	ARHGAP20	Q9P2F6	S169	NFVATFSSPEQKDKW	75 / 8 AA	133
Phosphosite 13:	RP1-199H16.1	Q5TG08	S87	ALREKTRSSPEDKVK	77 / 9 AA	75
Phosphosite 14:	C20orf194	Q5TEA3	S943	ILSENSFSSPEMLRS	75 / 8 AA	132
Phosphosite 15:	RBM7	Q9Y580	S136	QIIQRSFSSPENFQR	55 / 9 AA	31
Phosphosite 16:	NGB	Q9NPG2	S51	YNCRQFSSPEDCLSS	100 / 6 AA	17
Phosphosite 17:	NGB	Q9NPG2	S50	QYNCRQFSSPEDCLS	100 / 6 AA	17
Phosphosite 18:	EIF3B	P55884	S154	DADEPSFSDPEDFVD	66 / 9 AA	92
Phosphosite 19:	FLJ12707	Q9H9C1	T351	HYTEAEGTFSSPVNL	85 / 7 AA	57
Phosphosite 20:	KIAA1370	Q32MH5	S436	FGSPEFSSPEDTNEG	100 / 6 AA	122