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 Env polyprotein
Human P-Site:	S87
P-Site Sequence:	RFTYHMVSGMSLRPR
UniProt:	P61567
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 Env polyprotein	P61567	S87	RFTYHMVSGMSLRPR	100 / 9 AA	67
Phosphosite 1:	Endogenous retrovirus group K member 11 Pol protein	Q9UQG0	S958	RFTYHMVSGMSLRPR	100 / 9 AA	110
Phosphosite 2:	ERVK5	Q9HDB8	S87	RFTYHMVSGMSLRPR	100 / 9 AA	28
Phosphosite 3:	HERV-K_1q22 provirus ancestral Pol protein	P63135	S958	RFTYHMVSGMSLRPR	100 / 9 AA	165
Phosphosite 4:	HERV-K_11q22.1 provirus ancestral Env polyprotein	P61570	S198	RFTYHMVSGMSLRPR	100 / 9 AA	75
Phosphosite 5:	HERV-K_22q11.21 provirus ancestral Env polyprotein	P61566	S87	RFTYHMVSGMSLRPR	100 / 9 AA	67
Phosphosite 6:	HERV-K_5q33.3 provirus ancestral Pol protein	P10266	S958	RFTYHMVSGMSLRPR	100 / 9 AA	115
Phosphosite 7:	HERV-K_1q23.3 provirus ancestral Env polyprotein	O42043	S87	RFTYHMVSGMSLRPR	100 / 9 AA	64
Phosphosite 8:	MED24	O75448	S444	GVLGHMLSGKSLDLL	75 / 8 AA	110
Phosphosite 9:	C12orf10	Q9HB07	S281	EHLYHLESGLSPPVA	62 / 8 AA	42
Phosphosite 10:	ESM1	Q9NQ30	T68	RGETCYRTVSGMDGM	71 / 7 AA	20
Phosphosite 11:	ERVK5	Q9HDB8	Y83	SPNSRFTYHMVSGMS	100 / 5 AA	28
Phosphosite 12:	HERV-K_1q22 provirus ancestral Pol protein	P63135	Y954	SPISRFTYHMVSGMS	100 / 5 AA	165
Phosphosite 13:	HERV-K_11q22.1 provirus ancestral Env polyprotein	P61570	Y194	SPISRFTYHMVSGMS	100 / 5 AA	75
Phosphosite 14:	HERV-K_1q22 provirus ancestral Env polyprotein	P61567	Y83	SPISRFTYHMVSGMS	100 / 5 AA	67
Phosphosite 15:	HERV-K_22q11.21 provirus ancestral Env polyprotein	P61566	Y83	SPISRFTYHMVSGMS	100 / 5 AA	67
Phosphosite 16:	HERV-K_5q33.3 provirus ancestral Pol protein	P10266	Y954	SPISRFTYHMVSGMS	100 / 5 AA	115
Phosphosite 17:	HERV-K_1q23.3 provirus ancestral Env polyprotein	O42043	Y83	SPNSRFTYHMVSGMS	100 / 5 AA	64
Phosphosite 18:	ULK3	Q6PHR2	S277	VDLEHMPSGESLGRA	75 / 8 AA	24
Phosphosite 19:	HK1	P19367	S298	QLFEKMVSGMYLGEL	85 / 7 AA	102
Phosphosite 20:	SLA/LP	Q9HD40	T144	CFVVPMATGMSLTLC	62 / 8 AA	56