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 Pol protein
Human P-Site:	Y954
P-Site Sequence:	SPISRFTYHMVSGMS
UniProt:	P63135
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 Pol protein	P63135	Y954	SPISRFTYHMVSGMS	100 / 9 AA	165
Phosphosite 1:	ERVK5	Q9HDB8	Y83	SPNSRFTYHMVSGMS	100 / 9 AA	28
Phosphosite 2:	HERV-K_11q22.1 provirus ancestral Env polyprotein	P61570	Y194	SPISRFTYHMVSGMS	100 / 9 AA	75
Phosphosite 3:	HERV-K_1q22 provirus ancestral Env polyprotein	P61567	Y83	SPISRFTYHMVSGMS	100 / 9 AA	67
Phosphosite 4:	HERV-K_22q11.21 provirus ancestral Env polyprotein	P61566	Y83	SPISRFTYHMVSGMS	100 / 9 AA	67
Phosphosite 5:	HERV-K_5q33.3 provirus ancestral Pol protein	P10266	Y954	SPISRFTYHMVSGMS	100 / 9 AA	115
Phosphosite 6:	HERV-K_1q23.3 provirus ancestral Env polyprotein	O42043	Y83	SPNSRFTYHMVSGMS	100 / 9 AA	64
Phosphosite 7:	NDST4	Q9H3R1	Y106	LESSRFQYHMVIAPG	87 / 8 AA	101
Phosphosite 8:	GTSF1L	Q9H1H1	Y24	IPLSRFQYHLASCRR	66 / 9 AA	17
Phosphosite 9:	LEF1	Q9UJU2	S243	DTSMSRFSHHMIPGP	62 / 8 AA	44
Phosphosite 10:	HERC3	Q15034	Y361	ARADRFKYHIVKQIF	62 / 8 AA	117
Phosphosite 11:	GTSF1	Q8WW33	Y32	IRACRFPYHLIKCRK	50 / 8 AA	19
Phosphosite 12:	SSH3	Q8TE77	Y375	FYPERFTYHNVRLWD	85 / 7 AA	73
Phosphosite 13:	TMEM16C	Q9BYT9	Y310	ATRSRIVYHMLERTK	62 / 8 AA	114
Phosphosite 14:	ZNF398	Q8TD17	Y415	THPSRLTYHLRVHNS	71 / 7 AA	71
Phosphosite 15:	ZNF398	Q8TD17	T414	FTHPSRLTYHLRVHN	71 / 7 AA	71
Phosphosite 16:	SOS2	Q07890	Y613	KLIERLTYHMYADPN	83 / 6 AA	153
Phosphosite 17:	Sos1	Q07889	Y615	KLIERLTYHMYADPN	83 / 6 AA	152
Phosphosite 18:	ZNF142	P52746	Y1497	ADPSRLKYHMRIHKE	71 / 7 AA	188
Phosphosite 19:	SOS2	Q07890	T612	VKLIERLTYHMYADP	83 / 6 AA	153
Phosphosite 20:	Sos1	Q07889	T614	IKLIERLTYHMYADP	83 / 6 AA	152