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:	S473
P-Site Sequence:	TPSSSSSSQLAPNGA
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	S473	TPSSSSSSQLAPNGA	100 / 9 AA	96
Phosphosite 1:	POLR1E	Q9GZS1	S32	SHLPTSSSQLAPDLL	87 / 8 AA	54
Phosphosite 2:	SETD1B	Q9UPS6	S538	SPISSSSSQLSPLAP	88 / 9 AA	209
Phosphosite 3:	PARP8	Q8N3A8	S472	LTPSSSSSSQLAPNG	100 / 8 AA	96
Phosphosite 4:	ASH1L	Q9NR48	S576	RSPPETSSQLAPNPL	85 / 7 AA	333
Phosphosite 5:	VNN3	Q9NY84	S450	PQIILSGSQLAPERH	85 / 7 AA	56
Phosphosite 6:	LRRC14	Q15048	S351	SGNDLSGSQLAPFQG	85 / 7 AA	55
Phosphosite 7:	PUM2	Q8TB72	S687	SSLFSSSSQLFPPSR	87 / 8 AA	114
Phosphosite 8:	GLDC	P23378	S566	TMKLNSSSELAPITW	75 / 8 AA	113
Phosphosite 9:	CEP68	Q76N32	S537	FPSSSSQSQLPPGAA	77 / 9 AA	81
Phosphosite 10:	RSPH4A	Q5TD94	S95	REPSSSPSPLAPARQ	77 / 9 AA	81
Phosphosite 11:	C20orf111	Q9NX31	S103	STIASSSSSQLKHKS	100 / 7 AA	32
Phosphosite 12:	C20orf111	Q9NX31	S102	CSTIASSSSSQLKHK	100 / 7 AA	32
Phosphosite 13:	TUB	P50607	S209	DEEENSSSSSQLNSN	100 / 7 AA	56
Phosphosite 14:	SETD1B	Q9UPS6	S536	EGSPISSSSSQLSPL	100 / 7 AA	209
Phosphosite 15:	C20orf111	Q9NX31	S104	TIASSSSSQLKHKSQ	100 / 7 AA	32
Phosphosite 16:	PTCD1	O75127	S51	APFSSSSSQLPLGQE	87 / 8 AA	79
Phosphosite 17:	FLJ16237	Q6ZNB7	S330	KEVPFSSSSSQLLKI	100 / 7 AA	52
Phosphosite 18:	PTCD1	O75127	S49	MWAPFSSSSSQLPLG	100 / 7 AA	79
Phosphosite 19:	FLJ16237	Q6ZNB7	S332	VPFSSSSSQLLKIYT	100 / 7 AA	52
Phosphosite 20:	PHLDB1	Q86UU1	S992	SGSSSSSSQLSVATL	100 / 7 AA	151