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:	PARP1
Human P-Site:	S274
P-Site Sequence:	FNKQQVPSGESAILD
UniProt:	P09874
Intern. Prot. ID:	IPI00449049

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PARP1	P09874	S274	FNKQQVPSGESAILD	100 / 9 AA	113
Phosphosite 1:	UBXD3	Q96LJ8	T105	ELQQQVPTGASSSLN	75 / 8 AA	31
Phosphosite 2:	KIF20A	O95235	S58	EDKQQVPSEDSMEKV	75 / 8 AA	100
Phosphosite 3:	ZNF45	Q02386	T243	PHHQRVPTGENPYKY	55 / 9 AA	78
Phosphosite 4:	NFE2L1	Q14494	S244	SFPAQVPSGEDQTAL	100 / 6 AA	85
Phosphosite 5:	HECW2	Q9P2P5	S714	LPVVQVPSGEDEGPG	100 / 6 AA	176
Phosphosite 6:	ULK3	Q6PHR2	S277	VDLEHMPSGESLGRA	62 / 8 AA	24
Phosphosite 7:	MAML3	Q96JK9	S1068	PAQQQIPSGSFAPSS	66 / 9 AA	122
Phosphosite 8:	RTF1	Q92541	S635	IDLQVPSSESKALAI	85 / 7 AA	77
Phosphosite 9:	RTF1	Q92541	S634	KIDLQVPSSESKALA	85 / 7 AA	77
Phosphosite 10:	ZNF229	Q9UJW7	T316	NRHQRVPTGEKSVKS	71 / 7 AA	94
Phosphosite 11:	SILV	P40967	S504	EILQAVPSGEGDAFE	75 / 8 AA	70
Phosphosite 12:	TMEM40	Q8WWA1	S127	APGEVVPSGESGLRR	66 / 9 AA	25
Phosphosite 13:	SH3KBP1	Q96B97	S79	KPLHEVPSGNSLLSS	62 / 8 AA	73
Phosphosite 14:	AKAP12	Q02952	S151	EIIEQIPSSESNLEE	62 / 8 AA	191
Phosphosite 15:	DYDC2	Q96IM9	S139	MPQQVPPSESAGQID	75 / 8 AA	21
Phosphosite 16:	CYP11A1	P05108	T34	LGRLRVPTGEGAGIS	62 / 8 AA	60
Phosphosite 17:	ZNF219	Q9P2Y4	S692	PPYARVPSGETPPSP	71 / 7 AA	77
Phosphosite 18:	CFHR5	Q9BXR6	T47	NPFSQVPTGEVFYYS	83 / 6 AA	64
Phosphosite 19:	CFHR1	Q03591	T47	KPFSQVPTGEVFYYS	83 / 6 AA	38
Phosphosite 20:	CFHR2	P36980	T47	KPFSQVPTGEVFYYS	83 / 6 AA	31