› 1en3

X-ray diffraction
0.98Å resolution

1A CRYSTAL STRUCTURES OF B-DNA REVEAL SEQUENCE-SPECIFIC BINDING AND GROOVE-SPECIFIC BENDING OF DNA BY MAGNESIUM AND CALCIUM

Released:
DOI: 10.2210/pdb1en3/pdb
PDB 1en3 coloured by chain and viewed from the front.
PDB 1en3 coloured by chain and viewed from the side.
PDB 1en3 coloured by chain and viewed from the top.
Source organism: Synthetic construct
Primary publication:
1 A crystal structures of B-DNA reveal sequence-specific binding and groove-specific bending of DNA by magnesium and calcium.
Chiu TK, Dickerson RE
J. Mol. Biol. 301 915-45 (2000)
PMID: 10966796

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct DNA molecule
Macromolecule:
DNA (5'-D(*CP*CP*AP*AP*CP*GP*TP*TP*GP*G)-3') Chain: A
Molecule details ›
Chain: A
Length: 10 nucleotides
Theoretical weight: 3.05 KDa
Source organism: Synthetic construct
Expression system: Not provided

Ligands and Environments

1 bound ligand:
Ligand MG 4 x MG
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X8C
Spacegroup: C2
Unit cell:
a: 32.001Å b: 25.369Å c: 33.633Å
α: 90° β: 112.98° γ: 90°
R-values:
R R work R free
0.141 0.141 0.159
Expression system: Not provided

Quick links

Citations

12 review citations

A perspective on the molecular simulation of DNA from structural and functional aspects.
Mondal et al. (2021)
11 more

10 mentions without citation

DNA conformations and their sequence preferences.
Svozil et al. (2008)
9 more