› 1ply

Fiber diffraction
3.2Å resolution

SODIUM IONS AND WATER MOLECULES IN THE STRUCTURE OF POLY D(A)(DOT)POLY D(T)

Released:
DOI: 10.2210/pdb1ply/pdb
PDB entry 1ply coloured by chain, front view.
PDB entry 1ply coloured by chain, side view.
PDB entry 1ply coloured by chain, top view.
Source organism: Synthetic construct
Primary publication:
Sodium ions and water molecules in the structure of poly(dA).poly(dT).
Chandrasekaran R, Radha A, Park HS
Acta Crystallogr D Biol Crystallogr 51 1025-35 (1995)
PMID: 15299771

Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-114394 (preferred)
Entry contents:
2 distinct DNA molecules
Macromolecules (2 distinct):
DNA (5'-D(P*AP*AP*AP*AP*A)-3') Chain: A
Molecule details ›
Chain: A
Length: 5 nucleotides
Theoretical weight: 1.52 KDa
Source organism: Synthetic construct
Expression system: Not provided
DNA (5'-D(P*TP*TP*TP*TP*T)-3') Chain: B
Molecule details ›
Chain: B
Length: 5 nucleotides
Theoretical weight: 1.48 KDa
Source organism: Synthetic construct
Expression system: Not provided

Ligands and Environments

1 bound ligand:
Ligand NA 10 x NA
No modified residues

Experiments and Validation Details

Entry percentile scores
Unit cell:
a: 18.56Å b: 22.68Å c: 32.4Å
α: 90° β: 90° γ: 99.9°
R-values:
R R work R free
0.23 0.23 not available
Expression system: Not provided

Quick links

Citations

17 citation in other articles

Sequence-specific binding of counterions to B-DNA.
Denisov et al. (2000)
16 more

3 mentions without citation

Influence of base stacking on excited-state behavior of polyadenine in water, based on time-dependent density functional calculations.
Santoro et al. (2007)
2 more