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:	PARP8
Human P-Site:	S291
P-Site Sequence:	STLRRSPSYPPPGCG
UniProt:	Q8N3A8
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PARP8	Q8N3A8	S291	STLRRSPSYPPPGCG	100 / 9 AA	96
Phosphosite 1:	PARP8	Q8N3A8	Y292	TLRRSPSYPPPGCGK	100 / 8 AA	96
Phosphosite 2:	PARP8	Q8N3A8	S289	LFSTLRRSPSYPPPG	100 / 7 AA	96
Phosphosite 3:	HIST2H2BD	Q6DRA6	S121	RAPRRSPSTPAPSES	77 / 9 AA	18
Phosphosite 4:	HIST2H2BC	Q6DN03	S121	RAPRRSPSTPAPSES	77 / 9 AA	21
Phosphosite 5:	PLXNA4	Q9HCM2	S1002	LFHRRSPSYIVCNTT	100 / 6 AA	212
Phosphosite 6:	KIAA1853	A7MD48	S125	KKRRRSSSYSPSPVK	66 / 9 AA	69
Phosphosite 7:	TBPL2	Q6SJ96	Y21	LAPRLPSYPPPPPTV	87 / 8 AA	42
Phosphosite 8:	TBPL2	Q6SJ96	S20	LLAPRLPSYPPPPPT	87 / 8 AA	42
Phosphosite 9:	DKFZp451F163	Q99081	S210	DFNRESPSYPSPKPP	77 / 9 AA	73
Phosphosite 10:	CDK13	Q14004	S369	YSRRRSPSYSRHSSY	85 / 7 AA	165
Phosphosite 11:	KIAA1853	A7MD48	S124	RKKRRRSSSYSPSPV	75 / 8 AA	69
Phosphosite 12:	FANCD2	Q9BXW9	S88	QTLRRHPSYPKIIEE	85 / 7 AA	166
Phosphosite 13:	CDK13	Q14004	S367	SPYSRRRSPSYSRHS	85 / 7 AA	165
Phosphosite 14:	KIAA1853	A7MD48	S454	RSSRSRRSPSYSRYS	85 / 7 AA	69
Phosphosite 15:	SRRM3	A6NNA2	S556	RARRRSRSYSPIRKR	75 / 8 AA	65
Phosphosite 16:	KIAA1853	A7MD48	S456	SRSRRSPSYSRYSPS	85 / 7 AA	69
Phosphosite 17:	PYGO2	Q9BRQ0	Y154	MPPQGPGYPPPGNMN	62 / 8 AA	41
Phosphosite 18:	ANXA11	P50995	S119	NPPSRMPSYPPYPGA	85 / 7 AA	54
Phosphosite 19:	ANXA11	P50995	Y120	PPSRMPSYPPYPGAP	85 / 7 AA	54
Phosphosite 20:	DPYD	Q12882	S175	IPQIRNPSLPPPEKM	75 / 8 AA	111