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_6q14.1 provirus ancestral Gag-Pol polyprotein
Human P-Site:	Y903
P-Site Sequence:	KIMTKRGYIPGKGLG
UniProt:	P63128
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_6q14.1 provirus ancestral Gag-Pol polyprotein	P63128	Y903	KIMTKRGYIPGKGLG	100 / 9 AA	124
Phosphosite 1:	HERV-K_6q14.1 provirus ancestral Pro protein	P63127	Y124	KIMTKRGYIPGKGLG	100 / 9 AA	17
Phosphosite 2:	HERV-K_8p23.1 provirus ancestral Pro protein	P63122	Y124	KIMTKRGYIPGKGLG	100 / 9 AA	17
Phosphosite 3:	ERVK6	Q9Y6I0	Y124	KIMTKMGYIPGKGLG	88 / 9 AA	17
Phosphosite 4:	HERV-K_1q22 provirus ancestral Pro protein	P63131	Y124	KIMTKMGYIPGKGLG	88 / 9 AA	17
Phosphosite 5:	HERV-K_22q11.21 provirus ancestral Pro protein	P63129	Y124	KIMTKMGYIPGKGLG	88 / 9 AA	17
Phosphosite 6:	HERV-K_11q22.1 provirus ancestral Pro protein	P63125	Y124	KIMTKMGYIPGKGLG	88 / 9 AA	17
Phosphosite 7:	HERV-K_5q13.3 provirus ancestral Pro protein	P63124	Y124	KIMTKMGYIPGKGLG	88 / 9 AA	17
Phosphosite 8:	HERV-K_1q23.3 provirus ancestral Pro protein	P63123	Y124	KIMTKMGYIPGKGLG	88 / 9 AA	17
Phosphosite 9:	HERV-K_19p13.11 provirus ancestral Pro protein	P63121	Y124	KIMTKMGYIPGKGLG	88 / 9 AA	17
Phosphosite 10:	HERV-K_12q14.1 provirus ancestral Pro protein	P63119	Y124	KIMTKMGYIPGKGLG	88 / 9 AA	17
Phosphosite 11:	HERV-K_5q33.3 provirus ancestral Pro protein	P10265	Y124	KIMTKMGYIPGKGLG	88 / 9 AA	17
Phosphosite 12:	TFIP11	Q9UBB9	Y162	KLLQKMGYVPGRGLG	62 / 8 AA	97
Phosphosite 13:	Plasminogen	P00747	Y219	QSPHAHGYIPSKFPN	71 / 7 AA	91
Phosphosite 14:	STT3B	Q8TCJ2	Y808	TTKRKRGYIKNKLVF	75 / 8 AA	94
Phosphosite 15:	TMEM2	Q9UHN6	Y27	NSRHPSGYVPGKVVP	71 / 7 AA	154
Phosphosite 16:	RIOK1	Q9BRS2	Y429	EEVFKRAYIPRTLNE	83 / 6 AA	66
Phosphosite 17:	RbBP2	P29375	Y148	KVGSRLGYLPGKGTG	55 / 9 AA	192
Phosphosite 18:	SH3BP4	Q9P0V3	Y103	HNTTEMGYIPSSYVQ	62 / 8 AA	107
Phosphosite 19:	BBS2	Q9BXC9	Y317	VDGEIRGYLPGTAEM	83 / 6 AA	80
Phosphosite 20:	ANK3	Q12955	Y3192	TPDSLIAYIPGKPSP	83 / 6 AA	480