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:	ERVK5
Human P-Site:	S403
P-Site Sequence:	LGTGPNWSTINQQSV
UniProt:	Q9HDB9
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	ERVK5	Q9HDB9	S403	LGTGPNWSTINQQSV	100 / 9 AA	74
Phosphosite 1:	HERV-K_19q12 provirus ancestral Gag polyprotein	Q9YNA8	S403	LGIGQNWSTISQQAL	77 / 9 AA	74
Phosphosite 2:	ERVK6	Q7LDI9	S403	LGIGQNWSTISQQAL	77 / 9 AA	74
Phosphosite 3:	HERV-K_5q33.3 provirus ancestral Gag polyprotein	P87889	S403	LGIGQNWSTISQQAL	77 / 9 AA	74
Phosphosite 4:	HERV-K_22q11.21 provirus ancestral Gag polyprotein	P63145	S403	LGIGQNWSTISQQAL	77 / 9 AA	74
Phosphosite 5:	HERV-K_1q22 provirus ancestral Gag polyprotein	P63130	S403	LGIGQNWSTISQQAL	77 / 9 AA	74
Phosphosite 6:	HERV-K_6q14.1 provirus ancestral Gag-Pol polyprotein	P63128	S403	LGIGQNWSTISQQAL	77 / 9 AA	124
Phosphosite 7:	HERV-K_6q14.1 provirus ancestral Gag polyprotein	P63126	S403	LGIGQNWSTISQQAL	77 / 9 AA	74
Phosphosite 8:	HERV-K_8p23.1 provirus ancestral Gag polyprotein	P62685	S403	LGIGQNWSTISQQAL	77 / 9 AA	72
Phosphosite 9:	HERV-K_19p13.11 provirus ancestral Gag polyprotein	P62684	S403	LGIGQNWSTISQQAL	77 / 9 AA	74
Phosphosite 10:	HERV-K_12q14.1 provirus ancestral Gag polyprotein	P62683	S403	LGIGQNWSTISQQAL	77 / 9 AA	74
Phosphosite 11:	EP300	Q09472	S454	QQSAPNLSTVSQIDP	55 / 9 AA	264
Phosphosite 12:	EP300	Q09472	T455	QSAPNLSTVSQIDPS	62 / 8 AA	264
Phosphosite 13:	TNS1	Q9HBL0	T1406	GSLPNYATINGKVSS	71 / 7 AA	186
Phosphosite 14:	TNS1	Q9HBL0	Y1404	RAGSLPNYATINGKV	71 / 7 AA	186
Phosphosite 15:	GLRX5	Q86SX6	T108	KDYSNWPTIPQVYLN	71 / 7 AA	17
Phosphosite 16:	TTLL5	Q6EMB2	S1091	SPSGPTWSTQSDPQA	83 / 6 AA	143
Phosphosite 17:	INSL3	P51460	S52	VCGGPRWSTEARRPA	83 / 6 AA	14
Phosphosite 18:	TP53BP2	Q13625	S414	HPVGPDWSPSNADLF	62 / 8 AA	126
Phosphosite 19:	MATN1	P21941	T439	FYTADFKTINQIGKK	50 / 8 AA	54
Phosphosite 20:	INHBC	P55103	S107	SFAETGLSTINQTRL	83 / 6 AA	38