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:	S1092
P-Site Sequence:	PKIVSPVSGPEHPEL
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	S1092	PKIVSPVSGPEHPEL	100 / 9 AA	165
Phosphosite 1:	HERV-K_11q22.1 provirus ancestral Env polyprotein	P61570	S332	PKIVSPVSGPEHPEL	100 / 9 AA	75
Phosphosite 2:	HERV-K_1q22 provirus ancestral Env polyprotein	P61567	S221	PKIVSPVSGPEHPEL	100 / 9 AA	67
Phosphosite 3:	ERVK5	Q9HDB8	S221	PEIISPVSGPEHPEL	88 / 9 AA	28
Phosphosite 4:	HERV-K_22q11.21 provirus ancestral Env polyprotein	P61566	S221	PKIISPVSGPEHPEL	88 / 9 AA	67
Phosphosite 5:	HERV-K_1q23.3 provirus ancestral Env polyprotein	O42043	S221	PKIISPVSGPEHPEL	88 / 9 AA	64
Phosphosite 6:	FAM75A7	Q8IWB4	S1319	KKAVSPVSPPQHWPK	77 / 9 AA	149
Phosphosite 7:	FAM75A3	Q5VYP0	S1319	KKAVSPVSPPQHWPK	77 / 9 AA	149
Phosphosite 8:	VAD1.3	Q5VVP1	S1315	KKAVSPVSPPQHWPK	77 / 9 AA	148
Phosphosite 9:	FAM75A5	Q5VU36	S1319	KKAVSPVSPPQHWPK	77 / 9 AA	149
Phosphosite 10:	FAM75A4	Q4VX67	S1319	KKAVSPVSPPQHWPK	77 / 9 AA	149
Phosphosite 11:	GNPTG	Q9UJJ9	S59	KRDPSPVSGPVHLFR	87 / 8 AA	34
Phosphosite 12:	EPC2	Q52LR7	S386	PQVLSPVSEPEEEND	75 / 8 AA	91
Phosphosite 13:	EIF4G1	Q04637	S419	AVDLSPVSEPEEQAK	75 / 8 AA	176
Phosphosite 14:	TYRP1	P17643	S49	CPDLSPVSGPGTDRC	85 / 7 AA	61
Phosphosite 15:	RACGAP1	Q9H0H5	T579	VSLLGPVTTPEHQLL	55 / 9 AA	71
Phosphosite 16:	IL17RE	Q8NFR9	S568	GADLRPVSGPDPRAA	62 / 8 AA	75
Phosphosite 17:	VPS13D	Q5THJ4	S1045	SRAQSPVSGPNVAHL	85 / 7 AA	492
Phosphosite 18:	CIITA	P33076	S968	EFALGPVSGPQAFPK	62 / 8 AA	123
Phosphosite 19:	CCDC52	Q8N0Z3	S803	CSTVSPVSGINTRRS	100 / 6 AA	96
Phosphosite 20:	FAM75A1	Q5TZJ5	S1319	KKAVSPVSPLQHWPK	66 / 9 AA	149