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_1p13.3 provirus ancestral Env polyprotein
Human P-Site:	Y88
P-Site Sequence:	GDTPYFQYKPVGKLC
UniProt:	P61568
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_1p13.3 provirus ancestral Env polyprotein	P61568	Y88	GDTPYFQYKPVGKLC	100 / 9 AA	21
Phosphosite 1:	HERV-K_1p13.3 provirus ancestral Env polyprotein	P61568	Y85	GVIGDTPYFQYKPVG	100 / 6 AA	21
Phosphosite 2:	SMC6L1	Q96SB8	Y502	YRQGHFTYKPVGPLG	75 / 8 AA	126
Phosphosite 3:	C3orf48	A8MPX8	S519	HVLFQYKSVSEVRVS	71 / 7 AA	72
Phosphosite 4:	C3orf48	A8MPX8	Y517	NIHVLFQYKSVSEVR	71 / 7 AA	72
Phosphosite 5:	KIAA1875	A6NE52	Y1299	ELMSYFLYSPVHCRP	62 / 8 AA	180
Phosphosite 6:	ZBTB38	Q8NAP3	Y920	DKPWRPYYNYKPKKK	71 / 7 AA	134
Phosphosite 7:	ZBTB38	Q8NAP3	Y922	PWRPYYNYKPKKKSR	71 / 7 AA	134
Phosphosite 8:	TSPYL5	Q86VY4	Y303	FYFDRNPYFQNKVLI	83 / 6 AA	45
Phosphosite 9:	TSPY1	Q01534	Y210	LFFRSNPYFQNKVIT	83 / 6 AA	35
Phosphosite 10:	TSPY2	A6NKD2	Y210	LFFRSNPYFQNKVIT	83 / 6 AA	35
Phosphosite 11:	STS2	P57075	Y287	TLRALFQYKPQNVDE	100 / 5 AA	74
Phosphosite 12:	Rictor	Q6R327	T1447	KDIPYFQTKNIPPHD	62 / 8 AA	192
Phosphosite 13:	TSPYL3	Q9H489	Y247	FRFWSNPYFQNKVIV	83 / 6 AA	40
Phosphosite 14:	SULT2B1	O00204	Y34	LPGEYFRYKGVPFPV	71 / 7 AA	41
Phosphosite 15:	KIAA1875	A6NE52	S1300	LMSYFLYSPVHCRPE	71 / 7 AA	180
Phosphosite 16:	ZBTB4	Q9P1Z0	Y668	DQLWRPYYSYKPKRK	71 / 7 AA	105
Phosphosite 17:	ZBTB4	Q9P1Z0	Y670	LWRPYYSYKPKRKAG	71 / 7 AA	105
Phosphosite 18:	HYLS1	Q96M11	Y219	RVARYFEYKRDWDSI	57 / 7 AA	34
Phosphosite 19:	CP	P00450	Y1005	FHGHSFQYKHRGVYS	71 / 7 AA	122
Phosphosite 20:	SMC6L1	Q96SB8	T501	AYRQGHFTYKPVGPL	71 / 7 AA	126