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:	S290
P-Site Sequence:	DYFLLSHSLLPALCD
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	S290	DYFLLSHSLLPALCD	100 / 9 AA	35
Phosphosite 1:	STAT2	P52630	S25	LHQLYSHSLLPVDIR	77 / 9 AA	98
Phosphosite 2:	UBN2	Q6ZU65	S1320	HAATLSHSPLPAHLQ	87 / 8 AA	146
Phosphosite 3:	GART	P22102	S665	PTRIYSHSLLPVLRS	66 / 9 AA	108
Phosphosite 4:	MLL2	O14686	S3009	QQQQQQHSLLPAPGP	100 / 6 AA	564
Phosphosite 5:	ERICH1	Q86X53	S380	LDRLASHSMLPSDVS	66 / 9 AA	49
Phosphosite 6:	TCF4	P15884	S466	VALRGSHSLLPNQVP	100 / 6 AA	71
Phosphosite 7:	ZNF341	Q9BYN7	S526	GVHQYSHSLLPQHSP	100 / 6 AA	93
Phosphosite 8:	C9orf139	Q6ZV77	S105	TDLSRSHSLLPPWVD	85 / 7 AA	20
Phosphosite 9:	FLJ45252	Q6ZSR9	S235	QSNLLSHSVQAADHL	66 / 9 AA	38
Phosphosite 10:	MLL2	O14686	S756	CSPLLQHSLVPQNSP	75 / 8 AA	564
Phosphosite 11:	CDH5	P33151	S37	PAQRDTHSLLPTHRR	71 / 7 AA	88
Phosphosite 12:	CEP250	Q9BV73	S2394	LHHSLSHSLLAVAQA	75 / 8 AA	281
Phosphosite 13:	MXRA8	Q9BRK3	S423	ERAELAHSPLPAKYI	75 / 8 AA	49
Phosphosite 14:	cIAP2	Q13489	S123	SVTNSTHSLLPGTEN	71 / 7 AA	68
Phosphosite 15:	ACIN1	Q9UKV3	T563	EGRRASHTLLPSHRL	71 / 7 AA	152
Phosphosite 16:	IQGAP3	Q86VI3	S1429	HRSLTAHSLLPLAEK	75 / 8 AA	185
Phosphosite 17:	SHANK1	Q9Y566	S2002	LRRAPSPSLLPASEH	85 / 7 AA	225
Phosphosite 18:	CEP250	Q9BV73	S2392	AGLHHSLSHSLLAVA	100 / 6 AA	281
Phosphosite 19:	IVD	P26440	S31	FVSQRAHSLLPVDDA	71 / 7 AA	46
Phosphosite 20:	MORC2	Q9Y6X9	S698	LVQQLSPSLLPNSKS	85 / 7 AA	118