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_1q23.3 provirus ancestral Env polyprotein
Human P-Site:	S218
P-Site Sequence:	TPRPKIISPVSGPEH
UniProt:	O42043
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_1q23.3 provirus ancestral Env polyprotein	O42043	S218	TPRPKIISPVSGPEH	100 / 9 AA	64
Phosphosite 1:	HERV-K_22q11.21 provirus ancestral Env polyprotein	P61566	S218	TPRPKIISPVSGPEH	100 / 9 AA	67
Phosphosite 2:	HERV-K_1q22 provirus ancestral Pol protein	P63135	S1089	TPRPKIVSPVSGPEH	88 / 9 AA	165
Phosphosite 3:	HERV-K_11q22.1 provirus ancestral Env polyprotein	P61570	S329	TPRPKIVSPVSGPEH	88 / 9 AA	75
Phosphosite 4:	HERV-K_1q22 provirus ancestral Env polyprotein	P61567	S218	TPRPKIVSPVSGPEH	88 / 9 AA	67
Phosphosite 5:	ERVK5	Q9HDB8	S218	TPRPEIISPVSGPEH	88 / 9 AA	28
Phosphosite 6:	GRM8	O00222	S691	VTAPKFISPASQLVI	75 / 8 AA	102
Phosphosite 7:	HNF4A	P41235	S167	VLSRQITSPVSGING	75 / 8 AA	52
Phosphosite 8:	DARS	P14868	S225	IQTPKIISAASEGGA	75 / 8 AA	57
Phosphosite 9:	HOXD1	Q9GZZ0	S193	GTYPKSVSPASGLPA	66 / 9 AA	34
Phosphosite 10:	ERVK5	Q9HDB8	S221	PEIISPVSGPEHPEL	100 / 6 AA	28
Phosphosite 11:	OR13A1	Q8NGR1	S282	YAYISPVSGYSAGKS	100 / 6 AA	36
Phosphosite 12:	TMF1	P82094	S51	YGEPGISSPVSGGWD	77 / 9 AA	123
Phosphosite 13:	HERV-K_22q11.21 provirus ancestral Env polyprotein	P61566	S221	PKIISPVSGPEHPEL	100 / 6 AA	67
Phosphosite 14:	HERV-K_1q23.3 provirus ancestral Env polyprotein	O42043	S221	PKIISPVSGPEHPEL	100 / 6 AA	64
Phosphosite 15:	EMSY	Q7Z589	S1130	SSVPKLTSPVTSISP	55 / 9 AA	141
Phosphosite 16:	MTMR7	Q9Y216	S396	DGDPKEISPVIDQFI	85 / 7 AA	76
Phosphosite 17:	mGluR3	Q14832	S684	AQRPKFISPSSQVFI	75 / 8 AA	99
Phosphosite 18:	EMSY	Q7Z589	T1129	GSSVPKLTSPVTSIS	62 / 8 AA	141
Phosphosite 19:	TMED8	Q6PL24	S71	PHRPQMVSPVSKDAT	62 / 8 AA	36
Phosphosite 20:	POLA	P09884	S209	VPSGKIASPVSRKEP	85 / 7 AA	166