SMTL ID : 6as7.1

CRYSTAL STRUCTURE OF THE CATALYTIC CORE OF HUMAN DNA POLYMERASE ALPHA IN TERNARY COMPLEX WITH AN DNA-PRIMED DNA TEMPLATE AND DCTP

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.95 Å

Oligo State

monomer

Ligands

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

DCP.1: 16 residues within 4Å: Chain A: D.525, F.526, N.527, S.528, L.529, Y.530, K.615, N.619, Y.622, T.668, D.669 Chain B: C.11 Chain C: G.2, G.3 Ligands: MG.2, MG.3 8 PLIP interactions: 8 interactions with chain A Hydrophobic interactions: A:Y.530 Hydrogen bonds: A:N.527, A:S.528, A:L.529, A:Y.530, A:N.619 Salt bridges: A:K.615, A:K.615

2 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 5 residues within 4Å: Chain A: D.525, F.526, D.669 Ligands: DCP.1, MG.3 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:D.525, A:F.526, A:D.669 MG.3: 4 residues within 4Å: Chain A: D.525, D.669 Ligands: DCP.1, MG.2 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:D.525, A:D.525, A:D.669, A:D.669

2 x CO: COBALT (II) ION(Non-functional Binders)

CO.4: 2 residues within 4Å: Chain B: G.5, G.6 No protein-ligand interaction detected (PLIP) CO.5: 1 residues within 4Å: Chain C: G.11 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Baranovskiy, A.G. et al., Activity and fidelity of human DNA polymerase alpha depend on primer structure. J. Biol. Chem. (2018)

Release Date

2018-03-14

Peptides

DNA polymerase alpha catalytic subunit: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

DNA polymerase alpha catalytic subunit

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