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:	S374
P-Site Sequence:	YTVDLNSSLTVPLQS
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	S374	YTVDLNSSLTVPLQS	100 / 9 AA	75
Phosphosite 1:	HERV-K_1q22 provirus ancestral Pol protein	P63135	S1134	YTIDLNSSLTVPLQS	100 / 9 AA	165
Phosphosite 2:	HERV-K_1q22 provirus ancestral Env polyprotein	P61567	S263	YTIDLNSSLTVPLQS	100 / 9 AA	67
Phosphosite 3:	HERV-K_22q11.21 provirus ancestral Env polyprotein	P61566	S263	YTVDLNSSLTLPLQS	88 / 9 AA	67
Phosphosite 4:	DMXL1	Q9Y485	T1041	LQSNSSITVPGRPVE	85 / 7 AA	338
Phosphosite 5:	DMXL1	Q9Y485	S1039	DGLQSNSSITVPGRP	85 / 7 AA	338
Phosphosite 6:	MybBP1A	Q9BQG0	T994	TKRNSPLTVPMFLSL	85 / 7 AA	149
Phosphosite 7:	IRAK1BP1	Q5VVH5	S226	QSSRLSSSLTVQQKI	75 / 8 AA	29
Phosphosite 8:	ZNF71	Q9NQZ8	T454	FIKNSSLTVHQRIHT	85 / 7 AA	54
Phosphosite 9:	ZFP2	Q6ZN57	T426	FIKNSSLTVHQRTHT	85 / 7 AA	53
Phosphosite 10:	KCNJ8	Q15842	S404	SIRRNNSSLMVPKVQ	85 / 7 AA	48
Phosphosite 11:	DIP2B	Q9P265	S716	VNTEDKNSALTVQDV	75 / 8 AA	171
Phosphosite 12:	ZNF71	Q9NQZ8	S452	KSFIKNSSLTVHQRI	85 / 7 AA	54
Phosphosite 13:	BIRC6	Q9NR09	S3561	DSKKQDLSSSLTDDS	85 / 7 AA	528
Phosphosite 14:	LOH12CR1	Q969J3	S19	RPNDLNSSVTPSPAK	85 / 7 AA	22
Phosphosite 15:	LOH12CR1	Q969J3	S18	SRPNDLNSSVTPSPA	85 / 7 AA	22
Phosphosite 16:	BIRC6	Q9NR09	S3562	SKKQDLSSSLTDDSK	85 / 7 AA	528
Phosphosite 17:	IRAK1BP1	Q5VVH5	S225	HQSSRLSSSLTVQQK	85 / 7 AA	29
Phosphosite 18:	TNRC6A	Q8NDV7	S1163	SSQELNSSLNWPPYT	66 / 9 AA	210
Phosphosite 19:	ZFP2	Q6ZN57	S423	GKAFIKNSSLTVHQR	100 / 6 AA	53
Phosphosite 20:	CDK5RAP2	Q96SN8	S1447	SGSELHSSLTSEIHF	71 / 7 AA	215