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:	IRF1
Human P-Site:	S221
P-Site Sequence:	VSPMPSTSEATTDED
UniProt:	P10914
Intern. Prot. ID:	IPI00023600

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	IRF1	P10914	S221	VSPMPSTSEATTDED	100 / 9 AA	36
Phosphosite 1:	MSL2L1	Q9HCI7	S164	HSPLPSTSEPTTDPQ	77 / 9 AA	63
Phosphosite 2:	IRF1	P10914	S219	FQVSPMPSTSEATTD	100 / 7 AA	36
Phosphosite 3:	TAPBP	O15533	T188	SFAYMPPTSEAASSL	75 / 8 AA	48
Phosphosite 4:	TIGD4	Q8IY51	S473	ELPLPSKSEAITALD	66 / 9 AA	57
Phosphosite 5:	MSL2L1	Q9HCI7	T163	THSPLPSTSEPTTDP	75 / 8 AA	63
Phosphosite 6:	AREG	P15514	S73	VSEMPSSSEPSSGAD	55 / 9 AA	28
Phosphosite 7:	p63	Q9H3D4	T534	PPLSMPSTSHCTPPP	75 / 8 AA	77
Phosphosite 8:	RIN3	Q8TB24	S266	ARPLPPTSDATSPTS	55 / 9 AA	108
Phosphosite 9:	p63	Q9H3D4	S535	PLSMPSTSHCTPPPP	75 / 8 AA	77
Phosphosite 10:	RIN3	Q8TB24	T265	PARPLPPTSDATSPT	62 / 8 AA	108
Phosphosite 11:	TAF4	O00268	S687	QQPPPPTSQATTALT	75 / 8 AA	110
Phosphosite 12:	CTC1	Q2NKJ3	S340	PLPMPSNSEDKKDPE	55 / 9 AA	135
Phosphosite 13:	DDX10	Q13206	T610	QAPSLPNTSEAQKIK	71 / 7 AA	101
Phosphosite 14:	ZNF280D	Q6N043	T965	PGGNNPSTTEATVDL	85 / 7 AA	109
Phosphosite 15:	POLN	Q7Z5Q5	S515	LQKYPSTSEAVLNAL	85 / 7 AA	100
Phosphosite 16:	AREG	P15514	S72	PVSEMPSSSEPSSGA	62 / 8 AA	28
Phosphosite 17:	POLN	Q7Z5Q5	S513	TGLQKYPSTSEAVLN	100 / 6 AA	100
Phosphosite 18:	MEF2C	Q06413	S271	KNTMPSVSEDVDLLL	62 / 8 AA	51
Phosphosite 19:	ZNF597	Q96LX8	T7	_MASMPPTPEAQGPI	71 / 7 AA	48
Phosphosite 20:	C10orf62	Q5T681	T119	ESGKAPSTDEATWAA	85 / 7 AA	25