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 Pol protein
Human P-Site:	T261
P-Site Sequence:	KIEIRKDTLKALNDF
UniProt:	P63136
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 Pol protein	P63136	T261	KIEIRKDTLKALNDF	100 / 9 AA	107
Phosphosite 1:	ERVK6	Q9WJR5	T264	KIEIRKDTLKTLNDF	88 / 9 AA	108
Phosphosite 2:	Endogenous retrovirus group K member 11 Pol protein	Q9UQG0	T261	KIEIRKDTLKTLNDF	88 / 9 AA	110
Phosphosite 3:	HERV-K_1q23.3 provirus ancestral Pol protein	Q9QC07	T261	KIEIRKDTLKTLNDF	88 / 9 AA	92
Phosphosite 4:	ERVK6	Q9BXR3	T261	KIEIRKDTLKTLNDF	88 / 9 AA	108
Phosphosite 5:	HERV-K_1q22 provirus ancestral Pol protein	P63135	T261	KIEIRKDTLKTLNDF	88 / 9 AA	165
Phosphosite 6:	HERV-K_8p23.1 provirus ancestral Pol protein	P63133	T261	KIEIRKDTLKTLNDF	88 / 9 AA	108
Phosphosite 7:	HERV-K_19p13.11 provirus ancestral Pol protein	P63132	T261	KIEIRKDTLKTLNDF	88 / 9 AA	108
Phosphosite 8:	HERV-K_5q33.3 provirus ancestral Pol protein	P10266	T261	KIEIRKDTLKTLNDF	88 / 9 AA	115
Phosphosite 9:	IFIT5	Q13325	T8	MSEIRKDTLKAILLE	88 / 9 AA	56
Phosphosite 10:	ERVK2	O15314	T177	KVEIRKDTLRTLNDF	77 / 9 AA	21
Phosphosite 11:	PEO1	Q96RR1	T44	RRRYRKETLQALDMP	75 / 8 AA	77
Phosphosite 12:	C1orf103	Q5T3J3	T395	DTPVRKDTLQTVSSS	55 / 9 AA	85
Phosphosite 13:	ARHGAP18	Q8N392	T453	LPDANRDTLKALLEF	85 / 7 AA	75
Phosphosite 14:	C1orf64	Q8NEQ6	S156	TWGTVKDSLKALSSC	85 / 7 AA	18
Phosphosite 15:	mahogunin	O60291	S94	LVNIRKDSLRLVRYK	71 / 7 AA	61
Phosphosite 16:	GORASP1	Q9BQQ3	T54	RLNKENDTLKALLKA	85 / 7 AA	46
Phosphosite 17:	KCNU1	A8MYU2	T584	QVRIRKNTLGFFIAE	83 / 6 AA	130
Phosphosite 18:	SUV420H1	Q4FZB7	T39	LQHTGKDTLKAGKNA	100 / 6 AA	99
Phosphosite 19:	SLC26A4	O43511	T717	DDNIRKDTFFLTVHD	83 / 6 AA	86
Phosphosite 20:	ZNF638	Q14966	T1568	LKGKRKETLKNVPFS	83 / 6 AA	221