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:	PARP9
Human P-Site:	S21
P-Site Sequence:	EKSGRITSLSLLFQK
UniProt:	Q8IXQ6
Intern. Prot. ID:	IPI00027803

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PARP9	Q8IXQ6	S21	EKSGRITSLSLLFQK	100 / 9 AA	96
Phosphosite 1:	PARP9	Q8IXQ6	T20	NEKSGRITSLSLLFQ	100 / 8 AA	96
Phosphosite 2:	ATG16L2	Q8NAA4	T506	IPVQGRVTSLSLSHD	87 / 8 AA	69
Phosphosite 3:	ATG16L2	Q8NAA4	S507	PVQGRVTSLSLSHDQ	87 / 8 AA	69
Phosphosite 4:	Daxx	Q9UER7	S529	QNKGRIVSPSLLSEE	77 / 9 AA	81
Phosphosite 5:	CEP192	Q8TEP8	T320	SVRNPRITSLCLLKD	85 / 7 AA	213
Phosphosite 6:	MATN3	O15232	T154	KQAVGRITPLSTGTM	85 / 7 AA	53
Phosphosite 7:	FAM81A	Q8TBF8	T305	EKMHGRITKLELQMN	75 / 8 AA	42
Phosphosite 8:	EPB41L2	O43491	T673	EWEKRRITPLSLQTQ	85 / 7 AA	113
Phosphosite 9:	MXD3	Q9BW11	T95	ADCARYTTLSLLRRA	66 / 9 AA	23
Phosphosite 10:	EGFL7	Q9UHF1	S252	QQLGRIDSLSEQISF	85 / 7 AA	30
Phosphosite 11:	DHODH	Q02127	S63	RLAVRFTSLGLLPRA	75 / 8 AA	43
Phosphosite 12:	TRIM32	Q13049	S72	SKITRITSLTQLTDN	75 / 8 AA	72
Phosphosite 13:	LRRC9	Q6ZRR7	S991	LENNRITSLSGLQKS	87 / 8 AA	128
Phosphosite 14:	LRRC9	Q6ZRR7	T990	SLENNRITSLSGLQK	100 / 6 AA	128
Phosphosite 15:	ATG2A	Q2TAZ0	T938	TVLKGRITALCETKD	71 / 7 AA	213
Phosphosite 16:	PTGER2	P43116	S62	GCSAGRRSSLSLFHV	75 / 8 AA	40
Phosphosite 17:	C6orf35	Q9NWH2	T49	MLAGFITTLSLAKKK	75 / 8 AA	15
Phosphosite 18:	C6orf35	Q9NWH2	T48	GMLAGFITTLSLAKK	75 / 8 AA	15
Phosphosite 19:	HYDIN	Q4G0P3	S2971	PVAWRITSLEHLGDD	75 / 8 AA	576
Phosphosite 20:	RASAL1	O95294	S411	EEQMRETSLGLLTGY	75 / 8 AA	90