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:	APEX2
Human P-Site:	T503
P-Site Sequence:	ARPRGPPTDPSSRCN
UniProt:	Q9UBZ4
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	APEX2	Q9UBZ4	T503	ARPRGPPTDPSSRCN	100 / 9 AA	57
Phosphosite 1:	IKZF4	Q9H2S9	T443	YRPRGPLTDPGASPS	66 / 9 AA	64
Phosphosite 2:	NPHP4	O75161	T477	RPSRKPPTSPSSPPA	77 / 9 AA	158
Phosphosite 3:	POLE2	P56282	T245	NAFGFPPTEPSSTTR	85 / 7 AA	60
Phosphosite 4:	UTS2R	Q9UKP6	T40	NSSWASPTEPSSLED	55 / 9 AA	42
Phosphosite 5:	EXOC3L	Q86VI1	T412	GREHGPNTDPSGSYY	66 / 9 AA	82
Phosphosite 6:	SOCS3	O14543	T141	PSFPSPPTEPSSEVP	75 / 8 AA	25
Phosphosite 7:	ZNF282	Q9UDV7	T351	LADRDIPTDPNSESL	66 / 9 AA	74
Phosphosite 8:	ROBO3	Q96MS0	T550	GVSPDPPTEPSSPPG	75 / 8 AA	148
Phosphosite 9:	MAST4	O15021	T1983	SSERGPPTARSERSA	75 / 8 AA	284
Phosphosite 10:	C3orf67	Q6ZVT6	T418	IQGSRGPTTGPSELT	75 / 8 AA	76
Phosphosite 11:	C3orf67	Q6ZVT6	T419	QGSRGPTTGPSELTQ	75 / 8 AA	76
Phosphosite 12:	RIZ	Q13029	T968	LPPLLIPTDPSSPPP	100 / 6 AA	189
Phosphosite 13:	IQCD	Q96DY2	T24	INRIGPKTDPSKRPA	85 / 7 AA	52
Phosphosite 14:	TRIOBP	Q9H2D6	S2062	GERRGPPSDGHEALE	83 / 6 AA	261
Phosphosite 15:	NSUN2	Q08J23	T466	DLTEGKPTDPSKLES	85 / 7 AA	86
Phosphosite 16:	APEX2	Q9UBZ4	S506	RGPPTDPSSRCNFFL	100 / 6 AA	57
Phosphosite 17:	FRMD8	Q9BZ67	S389	DSATGSPSDPSSSLA	75 / 8 AA	51
Phosphosite 18:	CD45	P08575	S937	MKKRDPPSEPSPLEA	62 / 8 AA	150
Phosphosite 19:	PSMD14	O00487	T20	GLGQGPPTDAPAVDT	83 / 6 AA	35
Phosphosite 20:	MAP3K14	Q99558	T852	VLARGRPTDTPSYFN	66 / 9 AA	104