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:	APEX1
Human P-Site:	T53
P-Site Sequence:	EDPPDQKTSPSGKPA
UniProt:	P27695
Intern. Prot. ID:	IPI00215911

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	APEX1	P27695	T53	EDPPDQKTSPSGKPA	100 / 9 AA	35
Phosphosite 1:	APEX1	P27695	S54	DPPDQKTSPSGKPAT	100 / 8 AA	35
Phosphosite 2:	MUC4	Q99102	S245	GTVSQKTSPSGETAT	100 / 7 AA	232
Phosphosite 3:	KIAA0774	Q5JR59	T592	PKVPDKNTCPSGIPK	66 / 9 AA	150
Phosphosite 4:	POLDIP2	Q9Y2S7	T361	ESNKDEKTPPSGLHW	75 / 8 AA	42
Phosphosite 5:	SGK223	Q86YV5	S243	DDSDQRCSPSGDSEG	75 / 8 AA	150
Phosphosite 6:	C1orf63	Q9BUV0	S282	PKIDQKKSPYGLWIP	75 / 8 AA	34
Phosphosite 7:	COL27A1	Q8IZC6	T391	SPHPTQKTAPSSFTK	66 / 9 AA	187
Phosphosite 8:	NFKB2	Q00653	T811	VDTYRQTTSPSGSLL	85 / 7 AA	97
Phosphosite 9:	C22orf30	Q5THK1	S155	TAAEEKTSPSQEDLL	71 / 7 AA	237
Phosphosite 10:	MUC4	Q99102	S247	VSQKTSPSGETATSS	100 / 6 AA	232
Phosphosite 11:	NFKB2	Q00653	S812	DTYRQTTSPSGSLLR	85 / 7 AA	97
Phosphosite 12:	APEX1	P27695	S56	PDQKTSPSGKPATLK	100 / 6 AA	35
Phosphosite 13:	TJP1	Q07157	S320	SRSPDQRSEPSDHSR	55 / 9 AA	195
Phosphosite 14:	ACTR8	Q9H981	S290	DVGDQKTSVCCVEDG	71 / 7 AA	70
Phosphosite 15:	RAI14	Q9P0K7	S411	TSPPDSKSSPSVLIH	75 / 8 AA	110
Phosphosite 16:	PARP4	Q9UKK3	T605	YQLPDAKTSSSTKAG	75 / 8 AA	193
Phosphosite 17:	P4HA1	P13674	T271	DDQSDQKTTPKKKGV	83 / 6 AA	61
Phosphosite 18:	P4HA1	P13674	T272	DQSDQKTTPKKKGVA	83 / 6 AA	61
Phosphosite 19:	ACTR8	Q9H981	T289	VDVGDQKTSVCCVED	71 / 7 AA	70
Phosphosite 20:	HT008	Q8IWB9	T158	SSLSEQKTSSSSPLS	55 / 9 AA	125