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_19q12 provirus ancestral Env polyprotein
Human P-Site:	S689
P-Site Sequence:	KGGNVGKSKRDQIVT
UniProt:	O71037
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_19q12 provirus ancestral Env polyprotein	O71037	S689	KGGNVGKSKRDQIVT	100 / 9 AA	79
Phosphosite 1:	EnvK4 protein	Q9UKH3	S688	KGGNVGKSKRDQIVT	100 / 9 AA	79
Phosphosite 2:	HERV-K_19p13.11 provirus ancestral Env polyprotein	Q902F9	S689	KGGNVGKSKRDQIVT	100 / 9 AA	79
Phosphosite 3:	EnvK6	Q902F8	S689	KGGNVGKSKRDQIVT	100 / 9 AA	79
Phosphosite 4:	ERVK6	Q69384	S689	KGGNVGKSKRDQIVT	100 / 9 AA	79
Phosphosite 5:	HERV-K_1q22 provirus ancestral Pol protein	P63135	S1449	KGGNVGKSKRDQIVT	100 / 9 AA	165
Phosphosite 6:	HERV-K_1q22 provirus ancestral Env polyprotein	P61567	S578	KGGNVGKSKRDQIVT	100 / 9 AA	67
Phosphosite 7:	HERV-K_22q11.21 provirus ancestral Env polyprotein	P61566	S578	KGGNVGKSKRDQIVT	100 / 9 AA	67
Phosphosite 8:	EnvK1	P61565	S688	KGGNVGKSKRDQIVT	100 / 9 AA	79
Phosphosite 9:	FTSJ3	Q8IY81	S10	KKGKVGKSRRDKFYH	75 / 8 AA	97
Phosphosite 10:	EIF2B4	Q9UI10	S290	EITSVGSSKREEEAK	55 / 9 AA	58
Phosphosite 11:	IL1F9	Q9NZH8	S143	PDWFIASSKRDQPII	62 / 8 AA	19
Phosphosite 12:	FLJ32110	A4D1E1	S868	KMYYLNKSKRNQESL	62 / 8 AA	153
Phosphosite 13:	RSK4	Q9UK32	S460	AVKIIDKSKRDPSEE	62 / 8 AA	84
Phosphosite 14:	RSK3	Q15349	S449	AVKIIDKSKRDPSEE	62 / 8 AA	83
Phosphosite 15:	RSK2	P51812	S456	AVKIIDKSKRDPTEE	62 / 8 AA	84
Phosphosite 16:	VPS13D	Q5THJ4	S1778	PKILVGKSKFDDSLV	75 / 8 AA	492
Phosphosite 17:	RPS6KA1	Q15418	S452	AVKVIDKSKRDPSEE	62 / 8 AA	83
Phosphosite 18:	ORC1L	Q13415	S401	QLRFLGNSKSDQEEK	62 / 8 AA	97
Phosphosite 19:	SSFA2	P28290	S493	YQLGLTKSKRDHLLR	83 / 6 AA	138
Phosphosite 20:	IL12B	P29460	S281	CVQVQGKSKREKKDR	83 / 6 AA	37