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_8p23.1 provirus ancestral Pol protein
Human P-Site:	S921
P-Site Sequence:	DAVSYKISREHKGDT
UniProt:	P63133
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_8p23.1 provirus ancestral Pol protein	P63133	S921	DAVSYKISREHKGDT	100 / 9 AA	108
Phosphosite 1:	ERVK6	Q9WJR5	S924	DAVSYKISREHKGDT	100 / 9 AA	108
Phosphosite 2:	ERVK6	Q9BXR3	S921	DAVSYKISREHKGDT	100 / 9 AA	108
Phosphosite 3:	HERV-K_11q22.1 provirus ancestral Pol protein	P63136	S919	DAVSYKISREHKGDT	100 / 9 AA	107
Phosphosite 4:	HERV-K_19p13.11 provirus ancestral Pol protein	P63132	S921	DAVSYKISREHKGDT	100 / 9 AA	108
Phosphosite 5:	FLII	Q13045	S748	PQINYKLSVEHKQRP	66 / 9 AA	145
Phosphosite 6:	USP17L1P	Q7RTZ2	S110	PLANYMLSREHSQTC	62 / 8 AA	60
Phosphosite 7:	USP17L2	Q6R6M4	S110	PLANYMLSREHSQTC	62 / 8 AA	60
Phosphosite 8:	USP17L6	Q6QN14	S110	PLANYMLSREHSQTC	62 / 8 AA	45
Phosphosite 9:	USP17A	Q0WX57	S110	PLANYMLSREHSQTC	62 / 8 AA	60
Phosphosite 10:	USP17L8	P0C7I0	S110	PLANYMLSREHSQTC	62 / 8 AA	60
Phosphosite 11:	USP17L5	A8MUK1	S110	PLANYMLSREHSQTC	62 / 8 AA	60
Phosphosite 12:	USP17L4	A6NCW7	S110	PLANYMLSREHSQTC	62 / 8 AA	60
Phosphosite 13:	USP17L3	A6NCW0	S110	PLANYMLSREHSQTC	62 / 8 AA	60
Phosphosite 14:	PPP2R5E	Q16537	S395	FSSLYRISKEHWNPA	71 / 7 AA	55
Phosphosite 15:	THUMPD3	Q9BV44	S67	LGSSCKISRDRGKIY	62 / 8 AA	57
Phosphosite 16:	HISPPD2A	Q6PFW1	S779	IPQEYGISREEKLEI	75 / 8 AA	160
Phosphosite 17:	DENND5B	Q6ZUT9	S182	RYNSYDISRDTLYVS	71 / 7 AA	145
Phosphosite 18:	RAB6IP1	Q6IQ26	S197	RFNSYDISRDTLYVS	71 / 7 AA	147
Phosphosite 19:	CCNT2	O60583	S553	KHSSPHISRDHKEKH	83 / 6 AA	81
Phosphosite 20:	DNAJC18	Q9H819	S267	STLGYTISRETQNLQ	71 / 7 AA	42