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:	C1orf103
Human P-Site:	T395
P-Site Sequence:	DTPVRKDTLQTVSSS
UniProt:	Q5T3J3
Intern. Prot. ID:	IPI00479789

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	C1orf103	Q5T3J3	T395	DTPVRKDTLQTVSSS	100 / 9 AA	85
Phosphosite 1:	ERVK2	O15314	T177	KVEIRKDTLRTLNDF	66 / 9 AA	21
Phosphosite 2:	ERVK6	Q9WJR5	T264	KIEIRKDTLKTLNDF	66 / 9 AA	108
Phosphosite 3:	Endogenous retrovirus group K member 11 Pol protein	Q9UQG0	T261	KIEIRKDTLKTLNDF	66 / 9 AA	110
Phosphosite 4:	HERV-K_1q23.3 provirus ancestral Pol protein	Q9QC07	T261	KIEIRKDTLKTLNDF	66 / 9 AA	92
Phosphosite 5:	ERVK6	Q9BXR3	T261	KIEIRKDTLKTLNDF	66 / 9 AA	108
Phosphosite 6:	HERV-K_1q22 provirus ancestral Pol protein	P63135	T261	KIEIRKDTLKTLNDF	66 / 9 AA	165
Phosphosite 7:	HERV-K_8p23.1 provirus ancestral Pol protein	P63133	T261	KIEIRKDTLKTLNDF	66 / 9 AA	108
Phosphosite 8:	HERV-K_19p13.11 provirus ancestral Pol protein	P63132	T261	KIEIRKDTLKTLNDF	66 / 9 AA	108
Phosphosite 9:	HERV-K_5q33.3 provirus ancestral Pol protein	P10266	T261	KIEIRKDTLKTLNDF	66 / 9 AA	115
Phosphosite 10:	IFIT5	Q13325	T8	MSEIRKDTLKAILLE	55 / 9 AA	56
Phosphosite 11:	SHROOM4	Q9ULL8	S282	QPPVRRDSLQASRAQ	62 / 8 AA	166
Phosphosite 12:	PEO1	Q96RR1	T44	RRRYRKETLQALDMP	62 / 8 AA	77
Phosphosite 13:	USP30	Q70CQ3	S485	DDTVRKASLQEVLSS	66 / 9 AA	59
Phosphosite 14:	HERV-K_11q22.1 provirus ancestral Pol protein	P63136	T261	KIEIRKDTLKALNDF	55 / 9 AA	107
Phosphosite 15:	C1orf103	Q5T3J3	T398	VRKDTLQTVSSSPVT	100 / 6 AA	85
Phosphosite 16:	COPB1	P53618	T340	DLEVRKKTLQLALDL	85 / 7 AA	107
Phosphosite 17:	WBP7	Q9UMN6	T1128	QSRPRKPTLQPVLQL	75 / 8 AA	294
Phosphosite 18:	CMYA5	Q8N3K9	T3638	SMDTAKDTLETIVRE	71 / 7 AA	449
Phosphosite 19:	SEMA3E	O15041	T669	VHTVRKITLEVVEEE	66 / 9 AA	89
Phosphosite 20:	PNLIPRP1	P54315	T460	EDTVREDTLLTLTPC	66 / 9 AA	52