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:	S2271
P-Site Sequence:	LLQQQMGSPVQPNPM
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	S2271	LLQQQMGSPVQPNPM	100 / 9 AA	264
Phosphosite 1:	CREBBP	Q92793	S2307	QMKQQIGSPGQPNPM	77 / 9 AA	265
Phosphosite 2:	Smad5	Q99717	S456	KVLTQMGSPLNPISS	75 / 8 AA	52
Phosphosite 3:	MLL5	Q8IZD2	S1476	PPSQQLGSPYRPHHS	66 / 9 AA	205
Phosphosite 4:	CDHR1	Q96JP9	S834	PKPKTMGSPVQSTLI	85 / 7 AA	94
Phosphosite 5:	DGCR6L	Q9BY27	S216	AQCDQKGSPVPP___	66 / 9 AA	25
Phosphosite 6:	DGCR6	Q14129	S216	AQCDQKGSPVPP___	66 / 9 AA	25
Phosphosite 7:	COL6A6	A6NMZ7	S1708	GLPGEMGSPGEPGPP	62 / 8 AA	247
Phosphosite 8:	ACOX2	Q99424	S3	_____MGSPVHRVSL	83 / 6 AA	77
Phosphosite 9:	SMAD1	Q15797	S456	KVLTQMGSPHNPISS	75 / 8 AA	52
Phosphosite 10:	Smad8	O15198	S458	KVLTQMGSPHNPISS	75 / 8 AA	52
Phosphosite 11:	USP40	Q9NVE5	S850	FLFFAMGSDVQPGTE	85 / 7 AA	140
Phosphosite 12:	SEMA6A	Q9H2E6	S796	KDMPPMGSPVIPTDL	66 / 9 AA	114
Phosphosite 13:	MKI67	P46013	T2285	DMKAFMGTPVQKLDL	83 / 6 AA	359
Phosphosite 14:	MKI67	P46013	T1557	NIYAFMGTPVQKLDL	83 / 6 AA	359
Phosphosite 15:	MKI67	P46013	T1193	DIKAFMGTPVQKLDL	83 / 6 AA	359
Phosphosite 16:	FAM189A1	O60320	S385	PEDPGMGSQVQPGPG	85 / 7 AA	57
Phosphosite 17:	CXXC6	Q8NFU7	S871	SKEPKDGSPVQPSLL	100 / 6 AA	235
Phosphosite 18:	OTOG	Q6ZRI0	S1748	GHSQPMGSPASPQPH	66 / 9 AA	315
Phosphosite 19:	VPS13B	Q7Z7G8	S2285	EPVPQMSSPVEKNQT	71 / 7 AA	449
Phosphosite 20:	ZNF207	O43670	T263	PSAGQMGTPVTSSST	83 / 6 AA	51