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:	S101
P-Site Sequence:	VHRCALESPPTSQGP
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	S101	VHRCALESPPTSQGP	100 / 9 AA	39
Phosphosite 1:	ERK5	Q13164	S433	SGDCAMESPPPAPPP	85 / 7 AA	88
Phosphosite 2:	NFKB2	Q00653	S707	EPLCPLPSPPTSDSD	77 / 9 AA	97
Phosphosite 3:	Smad7	O15105	S206	SRLCELESPPPPYSR	85 / 7 AA	46
Phosphosite 4:	BFSP2	Q13515	S38	RSSSSLESPPASRTN	66 / 9 AA	46
Phosphosite 5:	C14orf166B	Q0VAA2	S25	MLYCEAESPPTVEKV	75 / 8 AA	52
Phosphosite 6:	PLEKHA6	Q9Y2H5	S1017	SVQCATPSPPTSPAS	77 / 9 AA	117
Phosphosite 7:	PRR14	Q9BWN1	S216	LPADPLESPPTAPDP	85 / 7 AA	64
Phosphosite 8:	USP1	O94782	S398	TNGCGLESPGNTVTP	83 / 6 AA	88
Phosphosite 9:	RGL2	O15211	S146	DRLEALESHPTDELE	85 / 7 AA	84
Phosphosite 10:	UBE3C	Q15386	S672	TLDVGLESPPLSVSE	66 / 9 AA	124
Phosphosite 11:	Rad18	Q9NS91	S99	LLQFALESPAKSPAS	75 / 8 AA	56
Phosphosite 12:	MED14	O60244	S1023	SGAYPLTSPPTSYHS	66 / 9 AA	161
Phosphosite 13:	ZNF434	Q9NX65	S245	ELQKGLESEPTSRRQ	75 / 8 AA	55
Phosphosite 14:	GGNBP1	Q5YKI7	S20	PGIVALQSPPNKAFR	62 / 8 AA	12
Phosphosite 15:	C2CD4B	A6NLJ0	T44	PRLPAPCTLESPIRA	83 / 6 AA	39
Phosphosite 16:	AKR7A2	O43488	S20	AVHCALRSPPPEARA	85 / 7 AA	40
Phosphosite 17:	ZNF167	Q9P0L1	S165	ALGTTKESPPTSPLS	100 / 6 AA	85
Phosphosite 18:	FAM114A1	Q8IWE2	S196	TDQGPAESPPTSPSS	100 / 6 AA	61
Phosphosite 19:	TREX1	Q9NSU2	T104	CALESPPTSQGPPPT	100 / 6 AA	39
Phosphosite 20:	VPS53	Q5VIR6	S377	GTLKKLESPPPSTNP	85 / 7 AA	80