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:	EP300
Human P-Site:	S549
P-Site Sequence:	PMMSENASVPSLGPM
UniProt:	Q09472
Intern. Prot. ID:	IPI00020985

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	EP300	Q09472	S549	PMMSENASVPSLGPM	100 / 9 AA	264
Phosphosite 1:	ZXDC	Q2QGD7	S651	STPRENASVPELLAP	77 / 9 AA	90
Phosphosite 2:	Asxl3	Q9C0F0	S1226	STSSENSSVPMLFNK	77 / 9 AA	242
Phosphosite 3:	PRC1	O43663	S146	HYDIDSASVPSLEEL	75 / 8 AA	72
Phosphosite 4:	TAF1C	Q15572	S525	HLAGEGASVPRLAGP	66 / 9 AA	95
Phosphosite 5:	FAM54B	Q9H019	S103	IVMQRNASVPNLRGS	85 / 7 AA	32
Phosphosite 6:	USP38	Q8NB14	S692	FYCSENTSVPNESNK	75 / 8 AA	117
Phosphosite 7:	Golgin-84	Q8TBA6	S102	SHPVENASVPRPSSH	85 / 7 AA	83
Phosphosite 8:	Asxl3	Q9C0F0	S1225	SSTSSENSSVPMLFN	85 / 7 AA	242
Phosphosite 9:	CXXC6	Q8NFU7	S157	VKHSENDSVPMQDTQ	85 / 7 AA	235
Phosphosite 10:	HERC2P3	Q9BVR0	S501	TITNENPSGPSLGTI	66 / 9 AA	129
Phosphosite 11:	HERC2	O95714	S1773	TITNENPSGPSLGTI	66 / 9 AA	527
Phosphosite 12:	LKAP	Q9Y4F3	S362	FWDIENCSVPSGRSA	85 / 7 AA	193
Phosphosite 13:	CDK13	Q14004	S1471	GNLQENPSGPSLMHG	75 / 8 AA	165
Phosphosite 14:	ATF2	P15336	S442	DDSSEDISVPSSPHT	75 / 8 AA	55
Phosphosite 15:	FAM21C	Q9Y4E1	S423	TDVFGAASVPSLKEP	100 / 6 AA	145
Phosphosite 16:	ZNF410	Q86VK4	S390	SSLLEEASVPSKNLV	85 / 7 AA	52
Phosphosite 17:	APC	P25054	T1218	MSSSSENTSTPSSNA	75 / 8 AA	312
Phosphosite 18:	APC	P25054	S1219	SSSSENTSTPSSNAK	75 / 8 AA	312
Phosphosite 19:	ZC3H12C	Q9C0D7	S517	KNKLETRSVPSLVSI	75 / 8 AA	99
Phosphosite 20:	ZC3H12B	Q5HYM0	S397	ARKPEASSVPSLVTA	75 / 8 AA	87