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_5q33.3 provirus ancestral Pro protein
Human P-Site:	Y111
P-Site Sequence:	ITMPAPLYSPTSQKI
UniProt:	P10265
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_5q33.3 provirus ancestral Pro protein	P10265	Y111	ITMPAPLYSPTSQKI	100 / 9 AA	17
Phosphosite 1:	HERV-K_1q22 provirus ancestral Pro protein	P63131	Y111	ITMPAPLYSPTSQKI	100 / 9 AA	17
Phosphosite 2:	HERV-K_22q11.21 provirus ancestral Pro protein	P63129	Y111	ITMPAPLYSPTSQKI	100 / 9 AA	17
Phosphosite 3:	HERV-K_6q14.1 provirus ancestral Gag-Pol polyprotein	P63128	Y890	ITMPAPLYSPTSQKI	100 / 9 AA	124
Phosphosite 4:	HERV-K_6q14.1 provirus ancestral Pro protein	P63127	Y111	ITMPAPLYSPTSQKI	100 / 9 AA	17
Phosphosite 5:	HERV-K_11q22.1 provirus ancestral Pro protein	P63125	Y111	ITMPAPLYSPTSQKI	100 / 9 AA	17
Phosphosite 6:	HERV-K_5q13.3 provirus ancestral Pro protein	P63124	Y111	ITMPAPLYSPTSQKI	100 / 9 AA	17
Phosphosite 7:	HERV-K_8p23.1 provirus ancestral Pro protein	P63122	Y111	ITMPAPLYSPTSQKI	100 / 9 AA	17
Phosphosite 8:	HERV-K_19p13.11 provirus ancestral Pro protein	P63121	Y111	ITMPAPLYSPTSQKI	100 / 9 AA	17
Phosphosite 9:	HERV-K_19q12 provirus ancestral Pro protein	P63120	Y111	ITMPAPLYSPTSQKI	100 / 9 AA	17
Phosphosite 10:	INSM1	Q01101	Y100	AAHPAPLYSPTRPVS	88 / 9 AA	53
Phosphosite 11:	HERV-K_12q14.1 provirus ancestral Pro protein	P63119	Y111	ITMPTPLYSPTSQKI	88 / 9 AA	17
Phosphosite 12:	HERV-K_1q22 provirus ancestral Pro protein	P63131	S112	TMPAPLYSPTSQKIM	100 / 8 AA	17
Phosphosite 13:	HERV-K_22q11.21 provirus ancestral Pro protein	P63129	S112	TMPAPLYSPTSQKIM	100 / 8 AA	17
Phosphosite 14:	HERV-K_6q14.1 provirus ancestral Gag-Pol polyprotein	P63128	S891	TMPAPLYSPTSQKIM	100 / 8 AA	124
Phosphosite 15:	HERV-K_6q14.1 provirus ancestral Pro protein	P63127	S112	TMPAPLYSPTSQKIM	100 / 8 AA	17
Phosphosite 16:	HERV-K_11q22.1 provirus ancestral Pro protein	P63125	S112	TMPAPLYSPTSQKIM	100 / 8 AA	17
Phosphosite 17:	HERV-K_5q13.3 provirus ancestral Pro protein	P63124	S112	TMPAPLYSPTSQKIM	100 / 8 AA	17
Phosphosite 18:	HERV-K_8p23.1 provirus ancestral Pro protein	P63122	S112	TMPAPLYSPTSQKIM	100 / 8 AA	17
Phosphosite 19:	HERV-K_19p13.11 provirus ancestral Pro protein	P63121	S112	TMPAPLYSPTSQKIM	100 / 8 AA	17
Phosphosite 20:	HERV-K_19q12 provirus ancestral Pro protein	P63120	S112	TMPAPLYSPTSQKIM	100 / 8 AA	17