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 Gag polyprotein
Human P-Site:	S101
P-Site Sequence:	PFQTEKDSVSVSDAL
UniProt:	P63130
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 Gag polyprotein	P63130	S101	PFQTEKDSVSVSDAL	100 / 9 AA	74
Phosphosite 1:	HERV-K_19q12 provirus ancestral Gag polyprotein	Q9YNA8	S101	PFQTEEDSVSVSDAP	88 / 9 AA	74
Phosphosite 2:	ERVK6	Q7LDI9	S101	PFQTEEDSVSVSDAP	88 / 9 AA	74
Phosphosite 3:	HERV-K_22q11.21 provirus ancestral Gag polyprotein	P63145	S101	PFQTEEDSVSVSDAP	88 / 9 AA	74
Phosphosite 4:	HERV-K_19p13.11 provirus ancestral Gag polyprotein	P62684	S101	PFQTEEDSVSVSDAP	88 / 9 AA	74
Phosphosite 5:	HERV-K_5q33.3 provirus ancestral Gag polyprotein	P87889	S101	PFQTEEDSISVSDAP	77 / 9 AA	74
Phosphosite 6:	HERV-K_6q14.1 provirus ancestral Gag-Pol polyprotein	P63128	S101	PFQTEEDSISVSDAP	77 / 9 AA	124
Phosphosite 7:	HERV-K_6q14.1 provirus ancestral Gag polyprotein	P63126	S101	PFQTEEDSISVSDAP	77 / 9 AA	74
Phosphosite 8:	HERV-K_8p23.1 provirus ancestral Gag polyprotein	P62685	S101	PFQTEEDSISVSDAP	77 / 9 AA	72
Phosphosite 9:	HERV-K_12q14.1 provirus ancestral Gag polyprotein	P62683	S101	PFQTEEDSISVSDAP	77 / 9 AA	74
Phosphosite 10:	HERV-K_1q22 provirus ancestral Gag polyprotein	P63130	S103	QTEKDSVSVSDALGS	100 / 7 AA	74
Phosphosite 11:	Per2	O15055	S562	VPAMEKDSLGVSFPE	66 / 9 AA	137
Phosphosite 12:	NES	P48681	S1462	GEFLESDSVSVSVPW	87 / 8 AA	177
Phosphosite 13:	LRBA	P50851	S1072	FITTGKDSMTVSEVT	66 / 9 AA	319
Phosphosite 14:	KBTBD4	Q9NVX7	S264	LHCAEDDSISVSGQN	66 / 9 AA	58
Phosphosite 15:	ZFHX4	Q86UP3	S1135	GKNSNKDSVSVAGGT	66 / 9 AA	394
Phosphosite 16:	ZFHX4	Q86UP3	S1137	NSNKDSVSVAGGTQP	85 / 7 AA	394
Phosphosite 17:	C1orf110	Q86UF4	S162	PQAQEKDSVNPSKDV	75 / 8 AA	34
Phosphosite 18:	ANKRD36B	Q8N2N9	S74	ATSDEKDSVSNIATE	100 / 6 AA	127
Phosphosite 19:	ANKRD36B	Q8N2N9	S414	TTGDEKDSVSNIARE	100 / 6 AA	127
Phosphosite 20:	Ankyrin repeat domain-containing protein 36C	Q5JPF3	S63	ATSDEKDSVSNIATE	100 / 6 AA	136