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:	ATF4
Human P-Site:	Y228
P-Site Sequence:	ICMSPESYLGSPQHS
UniProt:	P18848
Intern. Prot. ID:	IPI00002503

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	ATF4	P18848	Y228	ICMSPESYLGSPQHS	100 / 9 AA	39
Phosphosite 1:	ATF4	P18848	S227	GICMSPESYLGSPQH	100 / 8 AA	39
Phosphosite 2:	HOXC12	P31275	Y68	CNGYPQPYLGSPVSL	75 / 8 AA	30
Phosphosite 3:	EPN2	O95208	Y196	AGGSPASYHGSPEAS	77 / 9 AA	68
Phosphosite 4:	ERN2	Q76MJ5	S424	PEEKTPDSYLGLGPQ	71 / 7 AA	102
Phosphosite 5:	ERN2	Q76MJ5	Y425	EEKTPDSYLGLGPQD	71 / 7 AA	102
Phosphosite 6:	TET3	O43151	Y265	PFRSPQSYLRAPSWP	66 / 9 AA	179
Phosphosite 7:	MOGS	Q13724	Y297	PGAPPERYLGLPGSL	66 / 9 AA	92
Phosphosite 8:	EPN1	Q9Y6I3	S448	PTRKTPESFLGPNAA	71 / 7 AA	58
Phosphosite 9:	EPN2	O95208	S511	SARKTPESFLGPNAA	71 / 7 AA	68
Phosphosite 10:	epsin 3	Q9H201	S498	RACRTPESFLGPSAS	71 / 7 AA	68
Phosphosite 11:	NOTCH1	P46531	Y2145	PLCSPNGYLGSLKPG	75 / 8 AA	273
Phosphosite 12:	ATF4	P18848	S231	SPESYLGSPQHSPST	100 / 6 AA	39
Phosphosite 13:	C20orf61	Q9NU29	S55	ALEHLPESFLGQWEP	83 / 6 AA	11
Phosphosite 14:	CCDC8	Q9H0W5	S133	KVRKMPVSYLGSKFL	85 / 7 AA	59
Phosphosite 15:	C2orf39	Q96MC2	Y480	AAAEPESYLDLPKQI	75 / 8 AA	87
Phosphosite 16:	XIAP	P98170	Y120	GQYKVENYLGSRDHF	71 / 7 AA	57
Phosphosite 17:	FLJ32810	A6NI28	Y12	TLEFSDSYLDSPDFR	71 / 7 AA	89
Phosphosite 18:	PLCL2	Q9UPR0	Y554	SPNVEESYLPSPDVL	85 / 7 AA	126
Phosphosite 19:	GPR124	Q96PE1	Y1230	HNSPTDSYLGSSRNS	83 / 6 AA	143
Phosphosite 20:	GPR124	Q96PE1	S1229	LHNSPTDSYLGSSRN	83 / 6 AA	143