SMTL ID : 3osn.1

Structural Basis for Proficient Incorporation of dTTP Opposite O6-Methylguanine by Human DNA Polymerase Iota

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

monomer

Ligands

1 x TTP: THYMIDINE-5'-TRIPHOSPHATE(Non-covalent)

TTP.1: 19 residues within 4Å: Chain A: C.18 Chain B: G.4, G.5 Chain C: D.34, L.35, D.36, C.37, F.38, Y.39, V.64, T.65, Y.68, R.71, K.77, D.126, E.127, K.214 Ligands: MG.2, MG.4 14 PLIP interactions: 14 interactions with chain C Hydrophobic interactions: C:Y.39, C:V.64 Hydrogen bonds: C:C.37, C:F.38, C:Y.39, C:D.126 Water bridges: C:D.34, C:K.214 Salt bridges: C:R.71, C:R.71, C:K.77, C:K.77, C:K.77, C:K.214

2 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 5 residues within 4Å: Chain C: D.34, L.35, D.126 Ligands: TTP.1, MG.4 2 PLIP interactions: 2 interactions with chain C Metal complexes: C:D.34, C:L.35 MG.4: 5 residues within 4Å: Chain C: D.34, D.126, E.127 Ligands: TTP.1, MG.2 4 PLIP interactions: 3 interactions with chain C, 1 Ligand-Water interactions Metal complexes: C:D.34, C:D.34, C:E.127, H2O.4

1 x NA: SODIUM ION(Non-functional Binders)

NA.3: 4 residues within 4Å: Chain A: C.17 Chain C: K.237, I.239, I.242 2 PLIP interactions: 2 interactions with chain C Hydrogen bonds: C:I.242, C:I.242

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Pence, M.G. et al., Structural Basis for Proficient Incorporation of dTTP Opposite O6-Methylguanine by Human DNA Polymerase {iota}. J.Biol.Chem. (2010)

Release Date

2010-10-20

Peptides

DNA polymerase iota: C

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

C
A

DNA polymerase iota

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