SMTL ID : 3b6o.2 (1 other biounit)

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

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.10 Å

Oligo State

homo-dimer

Ligands

2 x LI: LITHIUM ION(Non-covalent)

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

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

TMP.2: 13 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: LI.1 9 PLIP interactions: 9 interactions with chain A Hydrophobic interactions: A:A.83, A:I.86 Hydrogen bonds: A:E.22, A:A.23, A:D.202 Water bridges: A:A.83, A:H.197, A:H.197 Salt bridges: A:H.197 TMP.4: 13 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: LI.3 11 PLIP interactions: 11 interactions with chain B Hydrophobic interactions: B:A.83, B:I.86 Hydrogen bonds: B:E.22, B:E.22, B:A.23, B:D.202, B:D.202 Water bridges: B:L.26, B:H.197, B:H.197 Salt bridges: B:H.197

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Brucet, M. et al., Structural and biochemical studies of TREX1 inhibition by metals. Identification of a new active histidine conserved in DEDDh exonucleases. Protein Sci. (2008)

Release Date

2008-09-23

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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