1n4l

X-ray diffraction
2Å resolution

A DNA analogue of the polypurine tract of HIV-1

Released:

Function and Biology Details

Reactions catalysed:
Deoxynucleoside triphosphate + DNA(n) = diphosphate + DNA(n+1)
Endonucleolytic cleavage to 5'-phosphomonoester.
Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero hexamer (preferred)
PDBe Complex ID:
PDB-CPX-114231 (preferred)
Entry contents:
1 distinct polypeptide molecule
2 distinct DNA molecules
Macromolecules (3 distinct):
Reverse transcriptase/ribonuclease H Chain: A
Molecule details ›
Chain: A
Length: 255 amino acids
Theoretical weight: 28.93 KDa
Source organism: Moloney murine leukemia virus
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P03355 (Residues: 683-937; Coverage: 15%)
Gene name: gag-pol
Sequence domains: Reverse transcriptase (RNA-dependent DNA polymerase)
Structure domains:
5'-D(*CP*TP*TP*TP*TP*TP*AP*AP*AP*AP*GP*AP*AP*AP*AP*G)-3' Chain: B
Molecule details ›
Chain: B
Length: 16 nucleotides
Theoretical weight: 4.93 KDa
Source organism: Moloney murine leukemia virus
Expression system: Not provided
5'-D(*CP*TP*TP*TP*TP*CP*TP*TP*TP*TP*AP*AP*AP*AP*AP*G)-3' Chain: D
Molecule details ›
Chain: D
Length: 16 nucleotides
Theoretical weight: 4.86 KDa
Source organism: Moloney murine leukemia virus
Expression system: Not provided

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X25, RIGAKU
Spacegroup: P21212
Unit cell:
a: 54.41Å b: 146.222Å c: 46.778Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.241 0.24 0.269
Expression systems:
  • Escherichia coli BL21
  • Not provided