SMTL ID : 1t3n.1

Structure of the catalytic core of DNA polymerase Iota in complex with DNA and dTTP

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.30 Å

Oligo State

homo-dimer

Ligands

1 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 4 residues within 4Å: Chain D: D.8, L.9, D.100 Ligands: TTP.2 3 PLIP interactions: 3 interactions with chain D Metal complexes: D:D.8, D:L.9, D:D.100

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

TTP.2: 18 residues within 4Å: Chain A: A.1, G.2 Chain B: C.13 Chain D: D.8, L.9, D.10, C.11, F.12, Y.13, Q.33, V.38, T.39, Y.42, R.45, L.52, D.100, K.188 Ligands: MG.1 11 PLIP interactions: 11 interactions with chain D Hydrophobic interactions: D:Y.13, D:V.38 Hydrogen bonds: D:L.9, D:C.11, D:F.12, D:Y.13, D:Y.42 Water bridges: D:Q.33 Salt bridges: D:R.45, D:R.45, D:K.188

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Nair, D.T. et al., Replication by human DNA polymerase-iota occurs by Hoogsteen base-pairing. Nature (2004)

Release Date

2004-07-20

Peptides

polymerase (DNA directed) iota: CD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

C
A

D
B

polymerase (DNA directed) iota

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