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:	S324
P-Site Sequence:	LLRRTCSSTVKTDDV
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	S324	LLRRTCSSTVKTDDV	100 / 9 AA	96
Phosphosite 1:	PARP8	Q8N3A8	S323	KLLRRTCSSTVKTDD	100 / 8 AA	96
Phosphosite 2:	PARP8	Q8N3A8	T325	LRRTCSSTVKTDDVC	100 / 8 AA	96
Phosphosite 3:	H2AFB2	P0C5Z0	S21	GGRGRTCSRTVRAEL	75 / 8 AA	13
Phosphosite 4:	H2AFB1	P0C5Y9	S21	GGRGRTCSRTVRAEL	75 / 8 AA	13
Phosphosite 5:	ZNF735	P0CB33	T367	RTFNCSSTVKAHKRI	75 / 8 AA	48
Phosphosite 6:	ZNF735	P0CB33	S338	GKAFNCSSTLKTHKI	85 / 7 AA	48
Phosphosite 7:	ZNF735	P0CB33	S365	CGRTFNCSSTVKAHK	100 / 6 AA	48
Phosphosite 8:	APOB	P04114	T3920	LDSTCSSTVQFLEYE	85 / 7 AA	516
Phosphosite 9:	SP110	Q9HB58	S329	KDDSTCNSTVETRAQ	75 / 8 AA	78
Phosphosite 10:	PAPPA	Q13219	S1586	DGGDCCTSTVKTKKV	85 / 7 AA	181
Phosphosite 11:	PARP8	Q8N3A8	T321	THKLLRRTCSSTVKT	100 / 6 AA	96
Phosphosite 12:	PAPPA	Q13219	T1587	GGDCCTSTVKTKKVT	85 / 7 AA	181
Phosphosite 13:	C18orf21	Q32NC0	T110	TCKTCNRTVKHHGKS	71 / 7 AA	25
Phosphosite 14:	ZNF83	P51522	S61	SPPQRISSTVKTHIS	85 / 7 AA	60
Phosphosite 15:	ZNF83	P51522	T62	PPQRISSTVKTHISH	85 / 7 AA	60
Phosphosite 16:	EPB41L3	Q9Y2J2	T950	KPHFESSTVKTETIS	100 / 6 AA	121
Phosphosite 17:	C11orf82	Q8IXT1	S749	SRHSRTCSPTPHFQS	83 / 6 AA	112
Phosphosite 18:	ZNF415	Q09FC8	S231	SPPQIISSTIKTHVS	55 / 9 AA	69
Phosphosite 19:	C4orf31	Q8TB73	S464	DKLRTCSSATVAWLG	83 / 6 AA	65
Phosphosite 20:	CASZ1	Q86V15	S1376	STMDRSCSSTPVGNE	83 / 6 AA	190