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:	S521
P-Site Sequence:	PLTSSRSSMEMPSQP
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	S521	PLTSSRSSMEMPSQP	100 / 9 AA	122
Phosphosite 1:	USP28	Q96RU2	S520	KPLTSSRSSMEMPSQ	100 / 8 AA	122
Phosphosite 2:	TRIO	O75962	S1724	CIAHSRSSMEMEGIF	100 / 7 AA	347
Phosphosite 3:	WHRN	Q9P202	S790	VSTKSRSSKELPRNE	75 / 8 AA	97
Phosphosite 4:	SCN5A	Q14524	S459	GVDTVSRSSLEMSPL	85 / 7 AA	227
Phosphosite 5:	SCN5A	Q14524	S460	VDTVSRSSLEMSPLA	85 / 7 AA	227
Phosphosite 6:	CMYA3	A4UGR9	S125	QVGTSRSSQEMARNE	66 / 9 AA	382
Phosphosite 7:	HIVEP3	Q5T1R4	S496	SSLSRRSSMESPKSS	77 / 9 AA	259
Phosphosite 8:	TTN	Q8WZ42	S23283	VTLSSRDSMEVQWNE	66 / 9 AA	3816
Phosphosite 9:	TRAPPC10	P48553	S711	RRQESSSSLEMPSGV	75 / 8 AA	142
Phosphosite 10:	PITX1	P78337	S222	SAPSSISSMTMPSSM	77 / 9 AA	34
Phosphosite 11:	MAP7	Q14244	S268	KAAHSRNSMDRPKLF	62 / 8 AA	84
Phosphosite 12:	APLF	Q8IW19	S267	QEESTISSKEMPQSF	66 / 9 AA	57
Phosphosite 13:	NOL5A	O00567	S251	ILDASRSSMGMDISA	75 / 8 AA	66
Phosphosite 14:	NOL5A	O00567	S250	AILDASRSSMGMDIS	75 / 8 AA	66
Phosphosite 15:	CRACM1	Q96D31	S13	APPPSRSSPELPPSG	75 / 8 AA	33
Phosphosite 16:	NETO2	Q8NC67	S456	QSRTNLSSMELPFRN	55 / 9 AA	59
Phosphosite 17:	NBEAL2	Q6ZNJ1	S2054	QGYLSSRSPQEMLRA	75 / 8 AA	303
Phosphosite 18:	DCLRE1A	Q6PJP8	T1026	GTWKSRSTMEKYFRE	71 / 7 AA	116
Phosphosite 19:	ARHGAP11A	Q6P4F7	S919	NIGAISKSSMELPSK	71 / 7 AA	114
Phosphosite 20:	SIPA1L1	O43166	S97	IKESSRSSQEIETSS	75 / 8 AA	200