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:	C9orf102
Human P-Site:	S278
P-Site Sequence:	EQRTRKKSDKRESLI
UniProt:	A4D997
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	C9orf102	A4D997	S278	EQRTRKKSDKRESLI	100 / 9 AA	61
Phosphosite 1:	C7orf28A	P86791	S444	YWVVGKKSDRRELYV	85 / 7 AA	56
Phosphosite 2:	ESCO1	Q5FWF5	S566	SNQTSKSSDNRETPR	66 / 9 AA	95
Phosphosite 3:	SEL1L	Q9UBV2	S201	LNGSNKKSQKREAYR	85 / 7 AA	89
Phosphosite 4:	WHSC1L1	Q9BZ95	S200	RKEKRKKSNKHDSSR	62 / 8 AA	162
Phosphosite 5:	KIF4A	O95239	S226	SLEQRKKSDKNSSFR	100 / 6 AA	140
Phosphosite 6:	KIF4B	Q2VIQ3	S226	SIEQRKKSDKNCSFR	100 / 6 AA	140
Phosphosite 7:	TRIO	O75962	S2642	ALRLRKKSEKKDKDG	62 / 8 AA	347
Phosphosite 8:	TCOF1	Q13428	S1445	SKKEKKKSDKRKKDK	85 / 7 AA	152
Phosphosite 9:	HERV-K_19q12 provirus ancestral Gag polyprotein	Q9YNA8	S123	NENTRKKSQKETESL	85 / 7 AA	74
Phosphosite 10:	UNC80	Q8N2C7	S699	VEKNRKKSENKENET	55 / 9 AA	363
Phosphosite 11:	ERVK6	Q7LDI9	S123	NENTRKKSQKETEGL	85 / 7 AA	74
Phosphosite 12:	HERV-K_5q33.3 provirus ancestral Gag polyprotein	P87889	S123	NENTRKKSQKETESL	85 / 7 AA	74
Phosphosite 13:	HERV-K_22q11.21 provirus ancestral Gag polyprotein	P63145	S123	NEKTRKKSQKETESL	85 / 7 AA	74
Phosphosite 14:	HERV-K_1q22 provirus ancestral Gag polyprotein	P63130	S123	NENTRKKSQKETEGL	85 / 7 AA	74
Phosphosite 15:	HERV-K_6q14.1 provirus ancestral Gag-Pol polyprotein	P63128	S123	NEKTRKKSQKETESL	85 / 7 AA	124
Phosphosite 16:	HERV-K_6q14.1 provirus ancestral Gag polyprotein	P63126	S123	NEKTRKKSQKETESL	85 / 7 AA	74
Phosphosite 17:	HERV-K_8p23.1 provirus ancestral Gag polyprotein	P62685	S123	NENTRKKSQKETESL	85 / 7 AA	72
Phosphosite 18:	HERV-K_19p13.11 provirus ancestral Gag polyprotein	P62684	S123	NEKTRKKSQKETESL	85 / 7 AA	74
Phosphosite 19:	HERV-K_12q14.1 provirus ancestral Gag polyprotein	P62683	S123	NENTRKKSQKETEGL	85 / 7 AA	74
Phosphosite 20:	NRIP3	Q9NQ35	T15	TEGGRKETDMREAAS	62 / 8 AA	27