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:	Y750
P-Site Sequence:	DSETRRLYYDEQESE
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	Y750	DSETRRLYYDEQESE	100 / 9 AA	109
Phosphosite 1:	USP4	Q13107	Y751	SETRRLYYDEQESEA	100 / 8 AA	109
Phosphosite 2:	GNAS	Q5JWF2	Y565	SRGRRVYYDEGVASS	85 / 7 AA	111
Phosphosite 3:	GNAS	Q5JWF2	Y564	SSRGRRVYYDEGVAS	85 / 7 AA	111
Phosphosite 4:	UCMA	Q8WVF2	Y90	DELRREYYEEQRNEF	75 / 8 AA	17
Phosphosite 5:	UCMA	Q8WVF2	Y89	VDELRREYYEEQRNE	75 / 8 AA	17
Phosphosite 6:	ZO3	O95049	Y739	RRSTRRLYAQAQKLR	66 / 9 AA	103
Phosphosite 7:	TRMT2B	Q96GJ1	Y96	TPLWRLSYEEQLKVK	62 / 8 AA	56
Phosphosite 8:	TRMT2B	Q96GJ1	S95	VTPLWRLSYEEQLKV	62 / 8 AA	56
Phosphosite 9:	CAD	P27708	Y990	YDMCDRLYFDEISFE	83 / 6 AA	243
Phosphosite 10:	HGS	O14964	Y467	LDERRLYYEGLQDKL	83 / 6 AA	86
Phosphosite 11:	HGS	O14964	Y466	QLDERRLYYEGLQDK	83 / 6 AA	86
Phosphosite 12:	BRMS1L	Q5PSV4	Y263	SEEGRLYYDGEWYIR	71 / 7 AA	38
Phosphosite 13:	Cx45	P36383	Y45	VGGESIYYDEQSKFV	71 / 7 AA	45
Phosphosite 14:	BRMS1L	Q5PSV4	Y262	RSEEGRLYYDGEWYI	71 / 7 AA	38
Phosphosite 15:	Cx45	P36383	Y44	AVGGESIYYDEQSKF	71 / 7 AA	45
Phosphosite 16:	TAF172	O14981	Y763	DILSEHLYYDEIAVP	83 / 6 AA	207
Phosphosite 17:	STXBP5L	Q9Y2K9	Y249	RAELRVYYDEAIHSI	83 / 6 AA	132
Phosphosite 18:	CHN1	P15882	Y98	QTRNFRLYYDGKHFV	71 / 7 AA	53
Phosphosite 19:	PTPRM	P28827	Y1171	ASQVRSLYYDMNKLD	71 / 7 AA	164
Phosphosite 20:	PTPRM	P28827	S1169	VPASQVRSLYYDMNK	71 / 7 AA	164