SMTL ID : 2o4g.2 (1 other biounit)

Structure of TREX1 in complex with a nucleotide

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.35 Å

Oligo State

homo-dimer

Ligands

4 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 8 residues within 4Å: Chain A: D.20, L.21, E.22, H.197, T.198, D.202 Ligands: MG.2, TMP.3 4 PLIP interactions: 3 interactions with chain A, 1 Ligand-Ligand interactions Metal complexes: A:D.20, A:E.22, A:D.202, TMP.3 MG.2: 4 residues within 4Å: Chain A: D.20, D.132 Ligands: MG.1, TMP.3 5 PLIP interactions: 1 interactions with chain A, 4 Ligand-Water interactions Metal complexes: A:D.20, H2O.1, H2O.2, H2O.2, H2O.2 MG.4: 6 residues within 4Å: Chain B: D.20, L.21, E.22, D.202 Ligands: MG.5, TMP.6 4 PLIP interactions: 4 interactions with chain B Metal complexes: B:D.20, B:D.20, B:E.22, B:D.202 MG.5: 4 residues within 4Å: Chain B: D.20, L.21 Ligands: MG.4, TMP.6 5 PLIP interactions: 1 interactions with chain B, 4 Ligand-Water interactions Metal complexes: B:D.20, H2O.3, H2O.3, H2O.4, H2O.4

2 x TMP: THYMIDINE-5'-PHOSPHATE(Non-covalent)

TMP.3: 14 residues within 4Å: Chain A: D.20, L.21, E.22, A.23, G.25, L.26, A.83, I.86, T.87, Y.131, H.197, D.202 Ligands: MG.1, MG.2 6 PLIP interactions: 6 interactions with chain A Hydrophobic interactions: A:I.86 Hydrogen bonds: A:E.22, A:A.23, A:D.202, A:D.202 Salt bridges: A:H.197 TMP.6: 14 residues within 4Å: Chain B: D.20, L.21, E.22, A.23, G.25, L.26, A.83, I.86, T.87, Y.131, H.197, D.202 Ligands: MG.4, MG.5 7 PLIP interactions: 7 interactions with chain B Hydrophobic interactions: B:A.83, B:I.86 Hydrogen bonds: B:E.22, B:A.23, B:D.202 Water bridges: B:L.21 Salt bridges: B:H.197

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Brucet, M. et al., Structure of the dimeric exonuclease TREX1 in complex with DNA displays a proline-rich binding site for WW Domains. J.Biol.Chem. (2007)

Release Date

2007-03-13

Peptides

Three prime repair exonuclease 1: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
D

Three prime repair exonuclease 1

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