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:	S946
P-Site Sequence:	SDGGTRPSSSQQGFG
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	S946	SDGGTRPSSSQQGFG	100 / 9 AA	109
Phosphosite 1:	USP4	Q13107	S947	DGGTRPSSSQQGFGD	100 / 8 AA	109
Phosphosite 2:	MUC19	Q7Z5P9	S2143	GVTGTRPSSSRESAT	77 / 9 AA	598
Phosphosite 3:	USP4	Q13107	S948	GGTRPSSSQQGFGDD	100 / 7 AA	109
Phosphosite 4:	MGC39518	Q8IXS8	S367	QPIGTKPSSSSQRGS	77 / 9 AA	59
Phosphosite 5:	TRAIP	Q9BWF2	S331	TPPARPSSSQHGYYE	75 / 8 AA
Phosphosite 6:	TTLL7	Q6ZT98	S622	SGDTRPFSAQQMISV	75 / 8 AA	103
Phosphosite 7:	TRAIP	Q9BWF2	S330	DTPPARPSSSQHGYY	75 / 8 AA
Phosphosite 8:	CACNG7	P62955	S165	DEVMNRPSSSEQYFH	75 / 8 AA	31
Phosphosite 9:	CACNG7	P62955	S166	EVMNRPSSSEQYFHY	75 / 8 AA	31
Phosphosite 10:	TRAIP	Q9BWF2	S332	PPARPSSSQHGYYEK	85 / 7 AA
Phosphosite 11:	CACNG7	P62955	S167	VMNRPSSSEQYFHYR	85 / 7 AA	31
Phosphosite 12:	MUC19	Q7Z5P9	S2144	VTGTRPSSSRESATT	75 / 8 AA	598
Phosphosite 13:	AJAP1	Q9UKB5	S390	TFNGNRPSSSDRHLI	66 / 9 AA	45
Phosphosite 14:	TRIM75	A6NK02	S378	PTKARRPSSAQQECW	85 / 7 AA	54
Phosphosite 15:	TRIM75	A6NK02	S379	TKARRPSSAQQECWR	85 / 7 AA	54
Phosphosite 16:	C2orf55	Q6NV74	S280	SPEERPSSGQQDVAP	85 / 7 AA	102
Phosphosite 17:	C2orf55	Q6NV74	S279	VSPEERPSSGQQDVA	85 / 7 AA	102
Phosphosite 18:	MUC19	Q7Z5P9	S2634	SGTTRPSSGQTEITG	85 / 7 AA	598
Phosphosite 19:	MUC19	Q7Z5P9	T2140	SSAGVTGTRPSSSRE	100 / 6 AA	598
Phosphosite 20:	USP4	Q13107	T943	SGSSDGGTRPSSSQQ	100 / 6 AA	109