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:	S302
P-Site Sequence:	LCDSKIRSKALGSDH
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	S302	LCDSKIRSKALGSDH	100 / 9 AA	35
Phosphosite 1:	LRBA	P50851	S2042	KGKQSIRSQALGNQN	85 / 7 AA	319
Phosphosite 2:	SLC9A9	Q8IVB4	T361	SSDSKIRTKQLFEFM	75 / 8 AA	73
Phosphosite 3:	PODN	Q7Z5L7	S489	LTSNRLRSRALGPRA	55 / 9 AA	69
Phosphosite 4:	POLDIP3	Q9BY77	T247	ALPSSIRTKALTNMS	75 / 8 AA	46
Phosphosite 5:	CaMKK2	Q96RR4	S404	CLHSKIKSQALEFPD	66 / 9 AA	65
Phosphosite 6:	OR52P1P	Q8NH57	S237	LSSHEARSKALGTCG	100 / 6 AA	35
Phosphosite 7:	DOK6	Q6PKX4	S18	QGYVKIRSRKLGIFR	75 / 8 AA	38
Phosphosite 8:	GTF2I	P78347	T663	GMASKINTKALQSPK	75 / 8 AA	112
Phosphosite 9:	USP54	Q70EL1	S1245	SQVRDVRSKDLGSST	71 / 7 AA	187
Phosphosite 10:	ERCC6L	Q2NKX8	S1021	VVKAKIRSKARRIVS	85 / 7 AA	141
Phosphosite 11:	NCAPD3	P42695	S462	DKAPTVRSKALSSFA	55 / 9 AA	169
Phosphosite 12:	Smc4	Q9NTJ3	S139	YRAQKIRSKKLSVLI	75 / 8 AA	147
Phosphosite 13:	RBM16	Q9UPN6	S469	KGLPPIRSKTLSVCS	71 / 7 AA	141
Phosphosite 14:	RBM16	Q9UPN6	T471	LPPIRSKTLSVCSTT	71 / 7 AA	141
Phosphosite 15:	ZNF331	Q9NQX6	S76	KRNSDRRSKSLGRNW	66 / 9 AA	54
Phosphosite 16:	KIF19	Q2TAC6	S790	VKAARRRSRALGTEG	55 / 9 AA	111
Phosphosite 17:	UNC13C	Q8NB66	S213	SWGIRSKSLDRTVRN	71 / 7 AA	251
Phosphosite 18:	IPO4	Q8TEX9	S279	TFLVKVKSKALLKNR	71 / 7 AA	119
Phosphosite 19:	ZNF167	Q9P0L1	S509	EAFIRSKSLARHQVL	71 / 7 AA	85
Phosphosite 20:	VAChT (Acetylcholine)	Q16572	S211	YPEEPERSRALGVAL	83 / 6 AA	57