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_11q22.1 provirus ancestral Env polyprotein
Human P-Site:	T404
P-Site Sequence:	KPDSQTITCENCRLL
UniProt:	P61570
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_11q22.1 provirus ancestral Env polyprotein	P61570	T404	KPDSQTITCENCRLL	100 / 9 AA	75
Phosphosite 1:	HERV-K_1q22 provirus ancestral Pol protein	P63135	T1164	KPDSQTITCENCRLL	100 / 9 AA	165
Phosphosite 2:	HERV-K_1q22 provirus ancestral Env polyprotein	P61567	T293	KPDSQTITCENCRLL	100 / 9 AA	67
Phosphosite 3:	HERV-K_22q11.21 provirus ancestral Env polyprotein	P61566	T293	KPDSQTITCENCRLL	100 / 9 AA	67
Phosphosite 4:	HERV-K_1q23.3 provirus ancestral Env polyprotein	O42043	T293	KPASQTITCENCRLF	100 / 9 AA	64
Phosphosite 5:	HERV-K_1q22 provirus ancestral Pol protein	P63135	T1162	VIKPDSQTITCENCR	100 / 7 AA	165
Phosphosite 6:	HERV-K_11q22.1 provirus ancestral Env polyprotein	P61570	T402	VIKPDSQTITCENCR	100 / 7 AA	75
Phosphosite 7:	HERV-K_1q22 provirus ancestral Env polyprotein	P61567	T291	VIKPDSQTITCENCR	100 / 7 AA	67
Phosphosite 8:	HERV-K_22q11.21 provirus ancestral Env polyprotein	P61566	T291	VIKPDSQTITCENCR	100 / 7 AA	67
Phosphosite 9:	CER1	O95813	T172	VPFSQTITHEGCEKV	77 / 9 AA	30
Phosphosite 10:	QSER1	Q2KHR3	T386	SGSSQTVTPENQTLN	75 / 8 AA	190
Phosphosite 11:	RNF214	Q8ND24	T58	SVSSQTITKENNRNV	87 / 8 AA	78
Phosphosite 12:	FRRS1	Q6ZNA5	T106	SEVSQLLTCEDIQGS	62 / 8 AA	66
Phosphosite 13:	EPB41L2	O43491	S930	LTAQTITSESVSTTT	62 / 8 AA	113
Phosphosite 14:	BPI	P17213	T162	TSGKPTITCSSCSSH	62 / 8 AA	54
Phosphosite 15:	ZNF141	Q15928	T284	HAGEKPITCEECRKI	83 / 6 AA	55
Phosphosite 16:	UNC80	Q8N2C7	T254	PINSQSRTCESPNQD	62 / 8 AA	363
Phosphosite 17:	STARD9	Q9P2P6	T2732	HFESQSVTCDVQNST	57 / 7 AA	507
Phosphosite 18:	BPI	P17213	S164	GKPTITCSSCSSHIN	71 / 7 AA	54
Phosphosite 19:	EPB41	P11171	S792	LTAQTITSETPSSTT	83 / 6 AA	97
Phosphosite 20:	CSMD2	Q7Z408	T731	TQGSETITCVLKEGS	83 / 6 AA	380