SMTL ID : 4ph5.1

Structure of human DNA polymerase beta complexed with a nicked DNA containing a AC at N-1 position and GC at N position

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.55 Å

Oligo State

monomer

Ligands

1 x DG- DT- DC- DG- DG: DNA (5'-D(P*GP*TP*CP*GP*G)-3')(Non-covalent)

DG-DT-DC-DG-DG.1: 19 residues within 4Å: Chain A: C.1, C.2, G.3, A.4, C.5 Chain C: H.25, K.26, A.29, Y.30, L.53, P.54, G.55, V.56, G.57, T.58, K.59, I.60, K.63 Ligands: NA.4 8 PLIP interactions: 8 interactions with chain C Hydrogen bonds: C:N.270, C:R.274, C:R.274, C:R.274 Water bridges: C:N.28, C:K.271 Salt bridges: C:K.271 pi-Stacking: C:H.25

2 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 5 residues within 4Å: Chain B: C.11 Chain C: D.181, D.183 Ligands: MG.3, PO4.6 2 PLIP interactions: 2 interactions with chain C Metal complexes: C:D.181, C:D.183 MG.3: 6 residues within 4Å: Chain B: C.10, C.11 Chain C: D.181, D.183, D.247 Ligands: MG.2 3 PLIP interactions: 3 interactions with chain C Metal complexes: C:D.181, C:D.183, C:D.247

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

NA.4: 4 residues within 4Å: Chain C: K.51, L.53, V.56 Ligands: DG-DT-DC-DG-DG.1 2 PLIP interactions: 2 interactions with chain C Hydrogen bonds: C:K.51, C:V.56 NA.5: 5 residues within 4Å: Chain B: G.9 Chain C: T.92, V.94, S.95, I.97 3 PLIP interactions: 3 interactions with chain C Hydrogen bonds: C:V.94, C:G.96, C:I.97

1 x PO4: PHOSPHATE ION(Non-functional Binders)

PO4.6: 7 residues within 4Å: Chain B: C.11 Chain C: S.171, R.174, S.179, G.180, D.181 Ligands: MG.2 9 PLIP interactions: 9 interactions with chain C Hydrogen bonds: C:S.171, C:S.171, C:S.171, C:R.174, C:G.180, C:D.181 Water bridges: C:R.140, C:R.140, C:R.174

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Koag, M.C. et al., The spontaneous base substitution mechanisms of human DNA polymerase beta. To Be Published

Release Date

2015-05-06

Peptides

DNA polymerase beta: C

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

C
A

DNA polymerase beta

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