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:	USF1
Human P-Site:	Y250
P-Site Sequence:	ILSKACDYIQELRQS
UniProt:	P22415
Intern. Prot. ID:	IPI00026559

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	USF1	P22415	Y250	ILSKACDYIQELRQS	100 / 9 AA	34
Phosphosite 1:	USF2	Q15853	Y286	ILSKACDYIRELRQT	88 / 9 AA	37
Phosphosite 2:	CUL3	Q13618	Y341	EGKNPVDYIQGLLDL	55 / 9 AA	89
Phosphosite 3:	KAL1	P23352	Y370	KLQPDCDYVVELQAI	71 / 7 AA	76
Phosphosite 4:	ATOH8	Q96SQ7	Y278	ILRIACNYILSLARL	62 / 8 AA	35
Phosphosite 5:	C3	P01024	Y730	VFLDCCNYITELRRQ	71 / 7 AA	187
Phosphosite 6:	RPN2	P04844	Y74	DAKKACTYIRSNLDP	71 / 7 AA	69
Phosphosite 7:	RPN2	P04844	T73	PDAKKACTYIRSNLD	71 / 7 AA	69
Phosphosite 8:	B4GALT5	O43286	Y136	MSEIGMDYIHELFSK	83 / 6 AA	45
Phosphosite 9:	MLX	Q9UH92	Y183	VLQKTIDYIQFLHKE	66 / 9 AA	33
Phosphosite 10:	MCC	P23508	Y572	DEQRLKDYIQQLKND	83 / 6 AA	93
Phosphosite 11:	KCTD6	Q8NC69	Y184	FTFGPCDYHQEVSLR	62 / 8 AA	28
Phosphosite 12:	TET3	O43151	Y338	LLGSASDYIQSVFKR	62 / 8 AA	179
Phosphosite 13:	TET3	O43151	S336	EQLLGSASDYIQSVF	83 / 6 AA	179
Phosphosite 14:	POLR2I	P36954	Y44	YACRNCDYQQEADNS	62 / 8 AA	15
Phosphosite 15:	ZC3H13	Q5T200	Y160	NGDINYDYVHELSLE	57 / 7 AA	197
Phosphosite 16:	GALNT11	Q8NCW6	Y514	VVLKACDYSDPNQIW	100 / 5 AA	69
Phosphosite 17:	TRMT6	Q9UJA5	Y342	ERGSKKDYIQEKQRR	100 / 5 AA	56
Phosphosite 18:	diaphanous 1	O60610	Y148	SSKSAMMYIQELRSG	100 / 5 AA	141
Phosphosite 19:	LRRCC1	Q9C099	Y450	AENKLMDYIDELHKH	66 / 9 AA	120
Phosphosite 20:	ZNF618	Q5T7W0	Y70	KTELPDDYIQEVIWQ	83 / 6 AA	105