1afv

X-ray diffraction
3.7Å resolution

HIV-1 CAPSID PROTEIN (P24) COMPLEX WITH FAB25.3

Released:

Function and Biology Details

Reactions catalysed:
Deoxynucleoside triphosphate + DNA(n) = diphosphate + DNA(n+1)
3'-end directed exonucleolytic cleavage of viral RNA-DNA hybrid
Endohydrolysis of RNA in RNA/DNA hybrids. Three different cleavage modes: 1. sequence-specific internal cleavage of RNA. Human immunodeficiency virus type 1 and Moloney murine leukemia virus enzymes prefer to cleave the RNA strand one nucleotide away from the RNA-DNA junction. 2. RNA 5'-end directed cleavage 13-19 nucleotides from the RNA end. 3. DNA 3'-end directed cleavage 15-20 nucleotides away from the primer terminus.
Specific for a P1 residue that is hydrophobic, and P1' variable, but often Pro.
Biochemical function:
  • not assigned
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero hexamer (preferred)
PDBe Complex ID:
PDB-CPX-210531 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Capsid protein p24 Chains: A, B
Molecule details ›
Chains: A, B
Length: 151 amino acids
Theoretical weight: 16.72 KDa
Source organism: Human immunodeficiency virus 1
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P12497 (Residues: 133-283; Coverage: 11%)
Gene name: gag-pol
Structure domains: Human Immunodeficiency Virus Type 1 Capsid Protein
ANTIBODY FAB25.3 FRAGMENT (LIGHT CHAIN) Chains: L, M
Molecule details ›
Chains: L, M
Length: 217 amino acids
Theoretical weight: 23.74 KDa
Source organism: Mus musculus
Structure domains: Immunoglobulins
Ig-like domain-containing protein Chains: H, K
Molecule details ›
Chains: H, K
Length: 220 amino acids
Theoretical weight: 23.7 KDa
Source organism: Mus musculus
UniProt:
  • Canonical: Q99LC4 (Residues: 20-239; Coverage: 50%)
Gene name: Igh
Sequence domains:
Structure domains: Immunoglobulins

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: CHESS BEAMLINE A1
Unit cell:
a: 119.9Å b: 92.3Å c: 149.3Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.217 0.217 0.324
Expression system: Escherichia coli BL21(DE3)