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_1q22 provirus ancestral Pol protein
Human P-Site:	S1081
P-Site Sequence:	EWGEKGISTPRPKIV
UniProt:	P63135
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_1q22 provirus ancestral Pol protein	P63135	S1081	EWGEKGISTPRPKIV	100 / 9 AA	165
Phosphosite 1:	ERVK5	Q9HDB8	S210	EWGEKGISTPRPEII	100 / 9 AA	28
Phosphosite 2:	HERV-K_11q22.1 provirus ancestral Env polyprotein	P61570	S321	EWGEKGISTPRPKIV	100 / 9 AA	75
Phosphosite 3:	HERV-K_22q11.21 provirus ancestral Env polyprotein	P61566	S210	EWGEKGISTPRPKII	100 / 9 AA	67
Phosphosite 4:	HERV-K_1q23.3 provirus ancestral Env polyprotein	O42043	S210	EWEEKGISTPRPKII	100 / 9 AA	64
Phosphosite 5:	ERVK5	Q9HDB8	T211	WGEKGISTPRPEIIS	100 / 8 AA	28
Phosphosite 6:	HERV-K_1q22 provirus ancestral Pol protein	P63135	T1082	WGEKGISTPRPKIVS	100 / 8 AA	165
Phosphosite 7:	HERV-K_11q22.1 provirus ancestral Env polyprotein	P61570	T322	WGEKGISTPRPKIVS	100 / 8 AA	75
Phosphosite 8:	HERV-K_22q11.21 provirus ancestral Env polyprotein	P61566	T211	WGEKGISTPRPKIIS	100 / 8 AA	67
Phosphosite 9:	HERV-K_1q23.3 provirus ancestral Env polyprotein	O42043	T211	WEEKGISTPRPKIIS	100 / 8 AA	64
Phosphosite 10:	HERV-K_1q22 provirus ancestral Env polyprotein	P61567	S210	EWGEKRISTPRPKIV	88 / 9 AA	67
Phosphosite 11:	TTN	Q8WZ42	S23057	AQNEKGISDPRQLSV	77 / 9 AA	3816
Phosphosite 12:	C2	P06681	Y100	VSFENGIYTPRLGSY	75 / 8 AA	83
Phosphosite 13:	ZHX2	Q9Y6X8	T37	AKEKGIGTPQPDVAK	75 / 8 AA	92
Phosphosite 14:	HERV-K_1q22 provirus ancestral Env polyprotein	P61567	T211	WGEKRISTPRPKIVS	87 / 8 AA	67
Phosphosite 15:	TTN	Q8WZ42	S30645	AQNEKGVSEPRETVT	75 / 8 AA	3816
Phosphosite 16:	FOXS1	O43638	T197	MEPKEISTPKPACPG	75 / 8 AA	35
Phosphosite 17:	FOXS1	O43638	S196	PMEPKEISTPKPACP	75 / 8 AA	35
Phosphosite 18:	TBC1D18	Q5R372	S113	DPSNTEISTPRPSSP	100 / 6 AA	92
Phosphosite 19:	TBC1D18	Q5R372	T114	PSNTEISTPRPSSPG	100 / 6 AA	92
Phosphosite 20:	AHCP	Q9UBU6	T195	RTAAGISTPAPVAGL	85 / 7 AA	44