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:	S390
P-Site Sequence:	RLLTRSCSGDPRCEH
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	S390	RLLTRSCSGDPRCEH	100 / 9 AA	96
Phosphosite 1:	PARP8	Q8N3A8	S388	SHRLLTRSCSGDPRC	100 / 7 AA	96
Phosphosite 2:	RNF103	O00237	S157	RTGTFNCSSDPRYCR	66 / 9 AA	79
Phosphosite 3:	FAM53A	Q6NSI3	S368	SDGSRRSSGDPRDGD	66 / 9 AA	43
Phosphosite 4:	USP51	Q70EK9	S165	SRPQTRRSCSGDLDG	100 / 6 AA	80
Phosphosite 5:	TMEM61	Q8N0U2	S200	PSATRSCSGLVQTAR	100 / 6 AA	22
Phosphosite 6:	AIRE	O43918	S476	GLRCRSCSGDVTPAP	100 / 6 AA	58
Phosphosite 7:	USP51	Q70EK9	S167	PQTRRSCSGDLDGSG	100 / 6 AA	80
Phosphosite 8:	Ig lambda chain V-IV region MOL	P06889	S20	PGQTATISCSGDKLG	85 / 7 AA	11
Phosphosite 9:	TMEM61	Q8N0U2	S198	TTPSATRSCSGLVQT	100 / 6 AA	22
Phosphosite 10:	AIRE	O43918	S474	GTGLRCRSCSGDVTP	100 / 6 AA	58
Phosphosite 11:	ZNF688	P0C7X2	S237	QWIHRSCSGGRRGRR	75 / 8 AA	31
Phosphosite 12:	COL12A1	Q99715	S1244	QIALAQYSGDPRTEW	83 / 6 AA	333
Phosphosite 13:	COL14A1	Q05707	S203	RIGLAQYSGDPRIEW	83 / 6 AA	194
Phosphosite 14:	RNF103	O00237	S158	TGTFNCSSDPRYCRR	71 / 7 AA	79
Phosphosite 15:	C8orf82	Q6P1X6	S23	SRGARACSGDGGVSY	71 / 7 AA	24
Phosphosite 16:	SALL1	Q9NSC2	S1227	DLAARSGSGDPSSFW	75 / 8 AA	140
Phosphosite 17:	NACC1	Q96RE7	T424	GTGIRSSTNDPRRKP	55 / 9 AA	57
Phosphosite 18:	USP42	Q9H9J4	S962	SRRERSSSGEPARES	71 / 7 AA	146
Phosphosite 19:	REV3	O60673	S750	NCELLSCSGENRTMV	71 / 7 AA	353
Phosphosite 20:	C1orf175	Q68CQ1	S99	ASLQITSSCSGEALD	71 / 7 AA	142