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:	TREX1
Human P-Site:	S221
P-Site Sequence:	LKALERASSPSEHGP
UniProt:	Q9NSU2
Intern. Prot. ID:	IPI00220019

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	TREX1	Q9NSU2	S221	LKALERASSPSEHGP	100 / 9 AA	39
Phosphosite 1:	TREX1	Q9NSU2	S222	KALERASSPSEHGPR	100 / 8 AA	39
Phosphosite 2:	KRTAP27-1	Q3LI81	S158	FETLERASSQCQCQS	66 / 9 AA	22
Phosphosite 3:	ARHGEF11	O15085	S949	ATALERASNPLAAEF	85 / 7 AA	168
Phosphosite 4:	NCOR2	Q9Y618	S1981	RSGLEPASSPSKGSE	87 / 8 AA	275
Phosphosite 5:	GSDMA	Q96QA5	S68	LDVLEPGSSPSDPTD	66 / 9 AA	49
Phosphosite 6:	ARGLU1	Q9NWB6	S77	RDRERASSPPDRIDI	75 / 8 AA	33
Phosphosite 7:	ARGLU1	Q9NWB6	S76	ERDRERASSPPDRID	75 / 8 AA	33
Phosphosite 8:	MTMR2	Q13614	S631	SSSERASSPAQCVTP	75 / 8 AA	73
Phosphosite 9:	MTMR2	Q13614	S630	TSSSERASSPAQCVT	75 / 8 AA	73
Phosphosite 10:	ARHGEF5	Q12774	S684	ISNLERPSSPPSIQP	85 / 7 AA	177
Phosphosite 11:	KIF18B	Q86Y91	S693	TPKGERASSPCHSPR	85 / 7 AA	92
Phosphosite 12:	PPP1R13L	Q8WUF5	T139	YGSLDRATSPRPRAF	71 / 7 AA	89
Phosphosite 13:	BTBD12	Q8IY92	S1244	LFCDRESSPSEASTT	75 / 8 AA	200
Phosphosite 14:	BTBD12	Q8IY92	S1243	WLFCDRESSPSEAST	75 / 8 AA	200
Phosphosite 15:	KIF18B	Q86Y91	S694	PKGERASSPCHSPRV	85 / 7 AA	92
Phosphosite 16:	ZNF469	Q96JG9	S2061	RTPERASSPGLNKPL	85 / 7 AA	259
Phosphosite 17:	ZNF469	Q96JG9	S2060	GRTPERASSPGLNKP	85 / 7 AA	259
Phosphosite 18:	PROX2	Q3B8N5	S30	TEGERSSSPPELDRD	75 / 8 AA	66
Phosphosite 19:	KIAA0774	Q5JR59	S181	RHSLERASSSVAAVG	85 / 7 AA	150
Phosphosite 20:	PROX2	Q3B8N5	S29	CTEGERSSSPPELDR	75 / 8 AA	66