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_8p23.1 provirus ancestral Gag polyprotein
Human P-Site:	S105
P-Site Sequence:	EEDSISVSDAPGSCL
UniProt:	P62685
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_8p23.1 provirus ancestral Gag polyprotein	P62685	S105	EEDSISVSDAPGSCL	100 / 9 AA	72
Phosphosite 1:	HERV-K_5q33.3 provirus ancestral Gag polyprotein	P87889	S105	EEDSISVSDAPGSCL	100 / 9 AA	74
Phosphosite 2:	HERV-K_6q14.1 provirus ancestral Gag-Pol polyprotein	P63128	S105	EEDSISVSDAPGSGI	100 / 9 AA	124
Phosphosite 3:	HERV-K_6q14.1 provirus ancestral Gag polyprotein	P63126	S105	EEDSISVSDAPGSGI	100 / 9 AA	74
Phosphosite 4:	HERV-K_12q14.1 provirus ancestral Gag polyprotein	P62683	S105	EEDSISVSDAPGSCI	100 / 9 AA	74
Phosphosite 5:	HERV-K_19q12 provirus ancestral Gag polyprotein	Q9YNA8	S105	EEDSVSVSDAPGSCI	88 / 9 AA	74
Phosphosite 6:	ERVK5	Q9HDB9	S105	KEDSVSVSDAPGSCV	88 / 9 AA	74
Phosphosite 7:	ERVK6	Q7LDI9	S105	EEDSVSVSDAPGSCI	88 / 9 AA	74
Phosphosite 8:	HERV-K_22q11.21 provirus ancestral Gag polyprotein	P63145	S105	EEDSVSVSDAPGSCL	88 / 9 AA	74
Phosphosite 9:	HERV-K_19p13.11 provirus ancestral Gag polyprotein	P62684	S105	EEDSVSVSDAPGSCI	88 / 9 AA	74
Phosphosite 10:	CNTFR	P26992	S184	YKVSISVSNALGHNA	77 / 9 AA	41
Phosphosite 11:	HERV-K_1q22 provirus ancestral Gag polyprotein	P63130	S105	EKDSVSVSDALGSCI	77 / 9 AA	74
Phosphosite 12:	HERV-K_5q33.3 provirus ancestral Gag polyprotein	P87889	S103	QTEEDSISVSDAPGS	100 / 7 AA	74
Phosphosite 13:	HERV-K_6q14.1 provirus ancestral Gag-Pol polyprotein	P63128	S103	QTEEDSISVSDAPGS	100 / 7 AA	124
Phosphosite 14:	HERV-K_6q14.1 provirus ancestral Gag polyprotein	P63126	S103	QTEEDSISVSDAPGS	100 / 7 AA	74
Phosphosite 15:	HERV-K_8p23.1 provirus ancestral Gag polyprotein	P62685	S103	QTEEDSISVSDAPGS	100 / 7 AA	72
Phosphosite 16:	HERV-K_12q14.1 provirus ancestral Gag polyprotein	P62683	S103	QTEEDSISVSDAPGS	100 / 7 AA	74
Phosphosite 17:	MTCH1	Q9NZJ7	T289	VDDSVSDTPGGLGND	85 / 7 AA	42
Phosphosite 18:	MTCH1	Q9NZJ7	S287	YLVDDSVSDTPGGLG	85 / 7 AA	42
Phosphosite 19:	WDFY3	Q8IZQ1	S3440	RVFSWSVSDQPGRSA	77 / 9 AA	395
Phosphosite 20:	SHANK1	Q9Y566	S836	AQQTISASESPGPGG	55 / 9 AA	225