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3B6P

Structure of TREX1 in complex with a nucleotide and inhibitor ions (sodium and zinc)

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 ZN A 800
ChainResidue
AASP18
AGLU20
AASP200

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE NA A 801
ChainResidue
AASP18
AHOH1117
AHOH1119
AHOH1122

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN B 800
ChainResidue
BTHR196
BASP200
BASP18
BGLU20

site_idAC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE NA B 801
ChainResidue
BASP18
BHOH1097
BHOH1100
BHOH1101

site_idAC5
Number of Residues3
DetailsBINDING SITE FOR RESIDUE ZN C 800
ChainResidue
CASP18
CGLU20
CASP200

site_idAC6
Number of Residues4
DetailsBINDING SITE FOR RESIDUE NA C 801
ChainResidue
CASP18
CHOH1100
CHOH1102
CHOH1103

site_idAC7
Number of Residues3
DetailsBINDING SITE FOR RESIDUE ZN D 800
ChainResidue
DASP18
DGLU20
DASP200

site_idAC8
Number of Residues4
DetailsBINDING SITE FOR RESIDUE NA D 801
ChainResidue
DASP18
DHOH1132
DHOH1136
DHOH1138

site_idAC9
Number of Residues12
DetailsBINDING SITE FOR RESIDUE TMP A 1000
ChainResidue
AASP18
ALEU19
AGLU20
AALA21
ALEU24
AILE84
ATHR85
ATYR129
AHIS195
AASP200
AHOH1017
AHOH1118

site_idBC1
Number of Residues14
DetailsBINDING SITE FOR RESIDUE TMP B 1000
ChainResidue
BASP18
BLEU19
BGLU20
BALA21
BGLY23
BLEU24
BALA81
BILE84
BTHR85
BTYR129
BHIS195
BASP200
BHOH1032
BHOH1099

site_idBC2
Number of Residues9
DetailsBINDING SITE FOR RESIDUE TMP C 1000
ChainResidue
CASP18
CLEU19
CGLU20
CALA21
CILE84
CTHR85
CTYR129
CHIS195
CASP200

site_idBC3
Number of Residues11
DetailsBINDING SITE FOR RESIDUE TMP D 1000
ChainResidue
DASP18
DLEU19
DGLU20
DALA21
DILE84
DTHR85
DTYR129
DHIS195
DASP200
DHOH1103
DHOH1134

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

243911

PDB entries from 2025-10-29

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