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:	USP4
Human P-Site:	T15
P-Site Sequence:	RERPDAETQKSELGP
UniProt:	Q13107
Intern. Prot. ID:	IPI00011836

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	USP4	Q13107	T15	RERPDAETQKSELGP	100 / 9 AA	109
Phosphosite 1:	Septin-5	Q99719	T341	LPTPDAETEKLIRMK	85 / 7 AA	43
Phosphosite 2:	MMP1	P03956	T83	TGKPDAETLKVMKQP	85 / 7 AA	54
Phosphosite 3:	GATSL3	Q8WTX7	T245	SIVMDAETQKKFPSD	100 / 6 AA	36
Phosphosite 4:	DKFZP451C023	Q86TD4	T258	ESEPDIDTQASEGTE	66 / 9 AA	101
Phosphosite 5:	MLL2	O14686	T4111	PPDNLAETQKPEQSS	85 / 7 AA	564
Phosphosite 6:	USP4	Q13107	S18	PDAETQKSELGPLMR	100 / 6 AA	109
Phosphosite 7:	MPDZ	O75970	T367	ELRVDASTQKGEESE	75 / 8 AA	219
Phosphosite 8:	NMDAR2C	Q14957	T786	QFLGDGETQKLETVW	75 / 8 AA	135
Phosphosite 9:	EMR2	Q9UHX3	T23	LTLPGAETQDSRGCA	75 / 8 AA	90
Phosphosite 10:	CD97	P48960	T20	LTLPGAETQDSRGCA	75 / 8 AA	92
Phosphosite 11:	DRG1	Q9Y295	T204	QSELDAETVKSILAE	85 / 7 AA	41
Phosphosite 12:	KIAA0391	O15091	T513	ACLPDAKTQRLFFKW	71 / 7 AA	65
Phosphosite 13:	GOLGA4	Q13439	T2209	LKFPDDQTQKILERE	71 / 7 AA	261
Phosphosite 14:	PPIE	Q9UNP9	T126	SEPPKAETQEGEPIA	66 / 9 AA	33
Phosphosite 15:	KLC3	Q6P597	S162	QYDPPAESQQSESPP	66 / 9 AA	55
Phosphosite 16:	GABBR2	O75899	T755	RTNPDAATQNRRFQF	62 / 8 AA	106
Phosphosite 17:	HMHA1	Q92619	T475	TCVADAKTQKQELED	66 / 9 AA	125
Phosphosite 18:	KIF27	Q86VH2	S689	TQDETQKSDLENEDL	83 / 6 AA	160
Phosphosite 19:	ERBB2IP	Q96RT1	T417	QKETDSETQKMVLTN	83 / 6 AA	158
Phosphosite 20:	TMEM188	Q8N9A8	T55	NWLIDPETQKVSFFT	83 / 6 AA	14