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:	HERV-K_16p3.3 provirus ancestral Env polyprotein
Human P-Site:	Y324
P-Site Sequence:	SSVQTAHYVEACQKN
UniProt:	Q9NX77
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	HERV-K_16p3.3 provirus ancestral Env polyprotein	Q9NX77	Y324	SSVQTAHYVEACQKN	100 / 9 AA	55
Phosphosite 1:	C3orf70	A6NLC5	Y199	INAIGAHYVESCDED	85 / 7 AA	28
Phosphosite 2:	C3orf70	A6NLC5	S202	IGAHYVESCDEDTEE	83 / 6 AA	28
Phosphosite 3:	SIX1	Q15475	Y92	QLWLKAHYVEAEKLR	85 / 7 AA	32
Phosphosite 4:	TTC25	Q96NG3	Y273	RPSQTAHYILKSLED	83 / 6 AA	77
Phosphosite 5:	TTC25	Q96NG3	T270	HKRRPSQTAHYILKS	83 / 6 AA	77
Phosphosite 6:	RC3H2	Q9HBD1	Y964	EATSSAHYVERDRFI	83 / 6 AA	132
Phosphosite 7:	GDE	P35573	Y1117	ILLITGRYVEARNII	71 / 7 AA	175
Phosphosite 8:	SACM1L	Q9NTJ5	Y19	HITPEKFYVEACDDG	83 / 6 AA	67
Phosphosite 9:	RGMB	Q6NW40	Y268	VERESGHYVEMHARY	57 / 7 AA	48
Phosphosite 10:	LASP1	Q14847	Y257	TGMLPANYVEAI___	71 / 7 AA	30
Phosphosite 11:	SLU7	O95391	Y397	LLAQTEDYVEYSRHG	71 / 7 AA	68
Phosphosite 12:	HEATR1	Q9H583	Y771	PVELWAHYVEELNST	100 / 5 AA	242
Phosphosite 13:	CES8	Q5XG92	Y436	ATLQTAHYHRDAGLP	100 / 5 AA	64
Phosphosite 14:	TTC7A	Q9ULT0	Y132	LILGKLHYVEGSYRD	66 / 6 AA	96
Phosphosite 15:	OTUD1	Q5VV17	T343	HRELREQTVHYIADH	66 / 6 AA	51
Phosphosite 16:	TAX1BP1	Q86VP1	Y75	WSPMPEHYVEGSTVN	66 / 6 AA	91
Phosphosite 17:	LARP1	Q6PKG0	Y652	IVTQTPHYMRRHPGG	66 / 6 AA	124
Phosphosite 18:	LARP1	Q6PKG0	T649	KILIVTQTPHYMRRH	66 / 6 AA	124
Phosphosite 19:	OTUD1	Q5VV17	Y346	LREQTVHYIADHLDH	66 / 6 AA	51
Phosphosite 20:	CPSF1	Q10570	Y1024	PLRCTAHYVAYHVES	83 / 6 AA	161