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:	S274
P-Site Sequence:	STCGMHSSGVSRGGS
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	S274	STCGMHSSGVSRGGS	100 / 9 AA	109
Phosphosite 1:	USP4	Q13107	S273	TSTCGMHSSGVSRGG	100 / 8 AA	109
Phosphosite 2:	PHYHD1	Q5SRE7	S196	FIPGSHTSGVSRRMV	77 / 9 AA	33
Phosphosite 3:	ALDH8A1	Q9H2A2	S463	PFGGMKSSGIGREGA	66 / 9 AA	53
Phosphosite 4:	SREBP2	Q12772	S367	TDAKMHKSGVLRKAI	75 / 8 AA	124
Phosphosite 5:	STAM	Q92783	S396	NQPYYMQSSGVSGSQ	85 / 7 AA	59
Phosphosite 6:	ANKRD24	Q8TF21	S684	SRATGMESTGVSATG	75 / 8 AA	124
Phosphosite 7:	STAM	Q92783	S397	QPYYMQSSGVSGSQV	85 / 7 AA	59
Phosphosite 8:	RASGEF1C	Q8N431	S308	IISGMNMSPVSRLKK	66 / 9 AA	53
Phosphosite 9:	PSG5	Q15238	S228	DRDGGMHSDPVSLNV	75 / 8 AA	38
Phosphosite 10:	TRRAP	Q9Y4A5	S3011	TWSGMHSSSIVTAYE	71 / 7 AA	438
Phosphosite 11:	DDX11	Q96FC9	S407	DTITGMHSVEVSGSQ	75 / 8 AA	108
Phosphosite 12:	DD11L	A8MPP1	S409	DTITGMHSVEVSGSQ	75 / 8 AA	102
Phosphosite 13:	TRRAP	Q9Y4A5	S3010	PTWSGMHSSSIVTAY	71 / 7 AA	438
Phosphosite 14:	QSER1	Q2KHR3	S37	WQTGMHSSAATELFA	62 / 8 AA	190
Phosphosite 15:	Putative uncharacterized protein FLJ45831	Q6ZS49	S17	FFFLKEHSSGVSSVK	100 / 6 AA	13
Phosphosite 16:	Putative uncharacterized protein FLJ45831	Q6ZS49	S18	FFLKEHSSGVSSVKA	100 / 6 AA	13
Phosphosite 17:	TMEM134	Q9H6X4	S28	GGPGPESSGVARFGP	66 / 9 AA	22
Phosphosite 18:	PITPNC1	Q9UKF7	S322	LNLPGMHSSDKPCRP	83 / 6 AA	38
Phosphosite 19:	TP53BP1	Q12888	S1326	TSLSAMHSSGSSGKG	75 / 8 AA	214
Phosphosite 20:	NEK9	Q8TD19	S944	GQQVGMHSKGTQTAK	83 / 6 AA	107