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_22q11.21 provirus ancestral Env polyprotein
Human P-Site:	S221
P-Site Sequence:	PKIISPVSGPEHPEL
UniProt:	P61566
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_22q11.21 provirus ancestral Env polyprotein	P61566	S221	PKIISPVSGPEHPEL	100 / 9 AA	67
Phosphosite 1:	ERVK5	Q9HDB8	S221	PEIISPVSGPEHPEL	100 / 9 AA	28
Phosphosite 2:	HERV-K_1q23.3 provirus ancestral Env polyprotein	O42043	S221	PKIISPVSGPEHPEL	100 / 9 AA	64
Phosphosite 3:	HERV-K_1q22 provirus ancestral Pol protein	P63135	S1092	PKIVSPVSGPEHPEL	88 / 9 AA	165
Phosphosite 4:	HERV-K_11q22.1 provirus ancestral Env polyprotein	P61570	S332	PKIVSPVSGPEHPEL	88 / 9 AA	75
Phosphosite 5:	HERV-K_1q22 provirus ancestral Env polyprotein	P61567	S221	PKIVSPVSGPEHPEL	88 / 9 AA	67
Phosphosite 6:	SYDE2	Q5VT97	S242	HLSISPVSLPKHQLS	77 / 9 AA	125
Phosphosite 7:	FAM75A7	Q8IWB4	S1319	KKAVSPVSPPQHWPK	66 / 9 AA	149
Phosphosite 8:	FAM75A3	Q5VYP0	S1319	KKAVSPVSPPQHWPK	66 / 9 AA	149
Phosphosite 9:	VAD1.3	Q5VVP1	S1315	KKAVSPVSPPQHWPK	66 / 9 AA	148
Phosphosite 10:	FAM75A5	Q5VU36	S1319	KKAVSPVSPPQHWPK	66 / 9 AA	149
Phosphosite 11:	FAM75A4	Q4VX67	S1319	KKAVSPVSPPQHWPK	66 / 9 AA	149
Phosphosite 12:	GNPTG	Q9UJJ9	S59	KRDPSPVSGPVHLFR	87 / 8 AA	34
Phosphosite 13:	FLJ34931	A6NGG8	S787	KPQISPASGRESLKM	75 / 8 AA	140
Phosphosite 14:	TYRP1	P17643	S49	CPDLSPVSGPGTDRC	85 / 7 AA	61
Phosphosite 15:	EPC2	Q52LR7	S386	PQVLSPVSEPEEEND	75 / 8 AA	91
Phosphosite 16:	EIF4G1	Q04637	S419	AVDLSPVSEPEEQAK	75 / 8 AA	176
Phosphosite 17:	RACGAP1	Q9H0H5	T579	VSLLGPVTTPEHQLL	55 / 9 AA	71
Phosphosite 18:	IL17RE	Q8NFR9	S568	GADLRPVSGPDPRAA	62 / 8 AA	75
Phosphosite 19:	OR13A1	Q8NGR1	S282	YAYISPVSGYSAGKS	100 / 6 AA	36
Phosphosite 20:	PKP2	Q99959	S154	RLEISPDSSPERAHY	66 / 9 AA	97