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:	C1orf131
Human P-Site:	T142
P-Site Sequence:	SNKKRKLTPDHNKNT
UniProt:	Q8NDD1
Intern. Prot. ID:	IPI00470641

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	C1orf131	Q8NDD1	T142	SNKKRKLTPDHNKNT	100 / 9 AA	33
Phosphosite 1:	PHF2	O75151	T960	KSAKRKLTPNTTSPS	85 / 7 AA	121
Phosphosite 2:	TBC1D2B	Q9UPU7	T277	QEEKKKLTPEGNKGV	66 / 9 AA	110
Phosphosite 3:	EXPH5	Q8NEV8	T867	QYSKCKLTPGHKTSC	66 / 9 AA	223
Phosphosite 4:	ERVK6	Q9WJR5	T312	LNSKRMLTPEATKEI	71 / 7 AA	108
Phosphosite 5:	HERV-K_1q23.3 provirus ancestral Pol protein	Q9QC07	T309	LNSKRMLTPEATKEI	71 / 7 AA	92
Phosphosite 6:	ERVK6	Q9BXR3	T309	LNSKRMLTPEATKEI	71 / 7 AA	108
Phosphosite 7:	HERV-K_11q22.1 provirus ancestral Pol protein	P63136	T309	LNSKRMLTPEATKEI	71 / 7 AA	107
Phosphosite 8:	IGSF21	Q96ID5	T251	ERPSRGLTPDPNILL	75 / 8 AA	52
Phosphosite 9:	HERV-K_19p13.11 provirus ancestral Pol protein	P63132	T309	LNSKRMLTPETTKEI	71 / 7 AA	108
Phosphosite 10:	ERLIN1	O75477	T277	TSNKHKLTPEYLELK	62 / 8 AA	39
Phosphosite 11:	EP400	Q96L91	T2814	IKAVGKLTPEHLIKM	83 / 6 AA	344
Phosphosite 12:	MDM1	Q8TC05	T294	HQPKRKLTPWKHQRL	100 / 6 AA	81
Phosphosite 13:	DHX9	Q08211	T18	WCGKRKMTPSYEIRA	55 / 9 AA	141
Phosphosite 14:	AlphaK1	Q96L96	S419	VDTLRKLSPDRFQRK	71 / 7 AA	201
Phosphosite 15:	KIAA0256	Q93073	T591	EEKKGRLTVDHNLLG	66 / 9 AA	122
Phosphosite 16:	SKI	P12755	T458	QPRKRKLTVDTPGAP	85 / 7 AA	80
Phosphosite 17:	CPM	P14384	T216	ALYSRSLTPDDDVFQ	62 / 8 AA	51
Phosphosite 18:	Endogenous retrovirus group K member 11 Pol protein	Q9UQG0	T309	LNSKRILTPEATKEI	71 / 7 AA	110
Phosphosite 19:	HERV-K_1q22 provirus ancestral Pol protein	P63135	T309	LNSKRILTPEATKEI	71 / 7 AA	165
Phosphosite 20:	HERV-K_8p23.1 provirus ancestral Pol protein	P63133	T309	LNSKRILTPEATKEI	71 / 7 AA	108