› 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 entry 1en3 coloured by chain, front view.
PDB entry 1en3 coloured by chain, side view.
PDB entry 1en3 coloured by chain, top view.
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)
Assembly name:
PDBe Complex ID:
PDB-CPX-113753 (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

14 review citations

Magnesium in man: implications for health and disease.
de Baaij et al. (2015)
13 more

10 mentions without citation

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