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2OA8

Crystal Structure of mTREX1 with ssDNA

Functional Information from GO Data
ChainGOidnamespacecontents
A0003676molecular_functionnucleic acid binding
A0008408molecular_function3'-5' exonuclease activity
B0003676molecular_functionnucleic acid binding
B0008408molecular_function3'-5' exonuclease activity
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA B 301
ChainResidue
BASP18
BGLU20
BASP200
CDG4
CHOH97
CCA302

site_idAC2
Number of Residues7
DetailsBINDING SITE FOR RESIDUE CA C 302
ChainResidue
BHOH330
BHOH418
CDC3
CDG4
BASP18
BCA301
BHOH329

site_idAC3
Number of Residues7
DetailsBINDING SITE FOR RESIDUE CA D 401
ChainResidue
AASP18
ACA402
AHOH406
AHOH430
AHOH471
DDC3
DDG4

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 402
ChainResidue
AASP18
AGLU20
AHIS195
AASP200
DDG4
DCA401

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"description":"Proton donor/acceptor","evidences":[{"source":"PubMed","id":"17355961","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues10
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 Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"Q9NSU2","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

246031

PDB entries from 2025-12-10

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