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:	S488
P-Site Sequence:	SDQTSKESTSTESSS
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	S488	SDQTSKESTSTESSS	100 / 9 AA	122
Phosphosite 1:	USP28	Q96RU2	T489	DQTSKESTSTESSSQ	100 / 8 AA	122
Phosphosite 2:	USP28	Q96RU2	S490	QTSKESTSTESSSQD	100 / 7 AA	122
Phosphosite 3:	PDZRN4	Q6ZMN7	S790	SGQSSKESTSTKAKT	87 / 8 AA	117
Phosphosite 4:	DPPA4	Q7L190	S21	AKGKEWTSTEKSREE	85 / 7 AA	34
Phosphosite 5:	REST	Q13127	S854	DSWLLKESVSTEDLS	85 / 7 AA	122
Phosphosite 6:	REST	Q13127	S856	WLLKESVSTEDLSPP	85 / 7 AA	122
Phosphosite 7:	TAC3	Q9UHF0	S74	ASTDPKESTSPEKRD	75 / 8 AA	13
Phosphosite 8:	TAC3	Q9UHF0	S76	TDPKESTSPEKRDMH	85 / 7 AA	13
Phosphosite 9:	ZNF286A	Q9HBT8	S122	TRPQSKDSTSVQDFS	62 / 8 AA	60
Phosphosite 10:	KIAA1211	Q6ZU35	S739	GTETSKQSTEAESIR	66 / 9 AA	137
Phosphosite 11:	ZNF286A	Q9HBT8	T123	RPQSKDSTSVQDFSK	62 / 8 AA	60
Phosphosite 12:	STAC2	Q6ZMT1	S192	VCATSKESPPTGDSG	75 / 8 AA	44
Phosphosite 13:	USP28	Q96RU2	S485	CSVSDQTSKESTSTE	100 / 6 AA	122
Phosphosite 14:	ANK2	Q01484	S2231	QTGETKESTKTETTT	75 / 8 AA	430
Phosphosite 15:	EML5	Q05BV3	S488	PGGKEVTSTEEIKGV	85 / 7 AA	219
Phosphosite 16:	C10orf68	Q9H943	T408	RGLMKESTTTQLKSH	71 / 7 AA	72
Phosphosite 17:	GRIN3	Q6ZVF9	T552	VVKEKESTGTDTSDA	71 / 7 AA	82
Phosphosite 18:	OR13C8	Q8NGS7	S9	ERTNDSTSTEFFLVG	71 / 7 AA	35
Phosphosite 19:	SLBP	Q14493	S120	GSSDSKESMSTVPAD	85 / 7 AA	31
Phosphosite 20:	ZNF609	O15014	S1188	EDGKESTSSDCKLPT	71 / 7 AA	151