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3B6O

Structure of TREX1 in complex with a nucleotide and an inhibitor ion (lithium)

Functional Information from GO Data
ChainGOidnamespacecontents
A0003676molecular_functionnucleic acid binding
A0008408molecular_function3'-5' exonuclease activity
B0003676molecular_functionnucleic acid binding
B0008408molecular_function3'-5' exonuclease activity
C0003676molecular_functionnucleic acid binding
C0008408molecular_function3'-5' exonuclease activity
D0003676molecular_functionnucleic acid binding
D0008408molecular_function3'-5' exonuclease activity
Functional Information from PDB Data
site_idAC1
Number of Residues3
DetailsBINDING SITE FOR RESIDUE LI A 800
ChainResidue
AASP18
AGLU20
AASP200

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE LI B 800
ChainResidue
BASP18
BGLU20
BASP200
BHOH1040

site_idAC3
Number of Residues3
DetailsBINDING SITE FOR RESIDUE LI C 800
ChainResidue
CASP200
CASP18
CGLU20

site_idAC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE LI D 800
ChainResidue
DASP18
DGLU20
DASP200
DHOH1096

site_idAC5
Number of Residues14
DetailsBINDING SITE FOR RESIDUE TMP A 1000
ChainResidue
AASP18
ALEU19
AGLU20
AALA21
AGLY23
ALEU24
AILE84
ATHR85
ATYR129
AHIS195
AASP200
AHOH1022
AHOH1025
AHOH1102

site_idAC6
Number of Residues12
DetailsBINDING SITE FOR RESIDUE TMP B 1000
ChainResidue
BASP18
BLEU19
BGLU20
BALA21
BLEU24
BILE84
BTHR85
BTYR129
BHIS195
BASP200
BHOH1039
BHOH1040

site_idAC7
Number of Residues11
DetailsBINDING SITE FOR RESIDUE TMP C 1000
ChainResidue
CASP18
CLEU19
CGLU20
CALA21
CLEU24
CILE84
CTHR85
CTYR129
CHIS195
CASP200
CHOH1099

site_idAC8
Number of Residues14
DetailsBINDING SITE FOR RESIDUE TMP D 1000
ChainResidue
DASP18
DLEU19
DGLU20
DALA21
DGLY23
DLEU24
DILE84
DTHR85
DTYR129
DHIS195
DASP200
DHOH1052
DHOH1096
DHOH1114

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsActive site: {"description":"Proton donor/acceptor","evidences":[{"source":"PubMed","id":"17355961","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues20
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"17293595","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"17355961","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"18780819","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"22071149","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"Q9NSU2","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

239803

PDB entries from 2025-08-06

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