3u91

X-ray diffraction
1.45Å resolution

Structural Determinants of Trimerization Specificity in HIV-1 gp41 Protein

Released:
Entry authors: Liu J, Lu M

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo trimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-182322 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Envelope glycoprotein Chain: A
Molecule details ›
Chain: A
Length: 33 amino acids
Theoretical weight: 3.94 KDa
Source organism: Human immunodeficiency virus 1
Expression system: Escherichia coli
UniProt:
  • Canonical: Q7ZC55 (Residues: 29-61; Coverage: 23%)
Gene name: env

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X4A
Spacegroup: P321
Unit cell:
a: 45.308Å b: 45.308Å c: 42.16Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.196 0.192 0.233
Expression system: Escherichia coli