SMTL ID : 4eey.1

Crystal structure of human DNA polymerase eta in ternary complex with a cisplatin DNA adduct

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.32 Å

Oligo State

monomer

Ligands

1 x DT- DG- DG- DA- DG- DG- DA- DG- DA: 5'-D(*TP*GP*GP*AP*GP*GP*AP*GP*A)-3'(Non-covalent)

DT-DG-DG-DA-DG-DG-DA-DG-DA.1: 28 residues within 4Å: Chain A: S.116, E.119, K.227, I.258, R.259, S.260, L.261, G.262, G.263, K.264, L.265, Q.368, R.380, L.384, R.385, R.386, C.387, K.431 Chain B: G.5, T.6, C.7, T.8, C.9, C.10, T.11, C.12, C.13 Ligands: DCP.2 Protein-ligand interaction information (PLIP) not available

1 x DCP: 2'-DEOXYCYTIDINE-5'-TRIPHOSPHATE(Non-covalent)

DCP.2: 17 residues within 4Å: Chain A: D.16, M.17, D.18, C.19, F.20, F.21, I.51, A.52, Y.55, R.58, R.64, I.117, D.118, K.234 Chain B: G.5 Ligands: DT-DG-DG-DA-DG-DG-DA-DG-DA.1, MG.3 21 PLIP interactions: 21 interactions with chain A Hydrophobic interactions: A:F.21 Hydrogen bonds: A:M.17, A:C.19, A:F.20, A:F.21, A:Y.55 Water bridges: A:R.58, A:R.58, A:R.58, A:R.58, A:R.64, A:R.64, A:R.64, A:K.234, A:K.234 Salt bridges: A:R.58, A:R.58, A:R.64, A:R.64, A:K.234 pi-Cation interactions: A:R.64

1 x MG: MAGNESIUM ION(Non-covalent)

MG.3: 4 residues within 4Å: Chain A: D.16, M.17, D.118 Ligands: DCP.2 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:D.16, A:M.17, A:D.118

1 x CPT: Cisplatin(Non-functional Binders)

CPT.4: 3 residues within 4Å: Chain B: G.4, G.5, T.6 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Ummat, A. et al., Structural basis for cisplatin DNA damage tolerance by human polymerase {eta} during cancer chemotherapy. Nat.Struct.Mol.Biol. (2012)

Release Date

2012-05-09

Peptides

DNA polymerase eta: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

DNA polymerase eta

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