› 3g7a

X-ray diffraction
2.8Å resolution

HIV gp41 six-helix bundle composed of a chimeric alpha+alpha/beta-peptide analogue of the CHR domain in complex with an NHR domain alpha-peptide

Released:
DOI: 10.2210/pdb3g7a/pdb
PDB entry 3g7a coloured by chain, front view.
PDB entry 3g7a coloured by chain, side view.
PDB entry 3g7a coloured by chain, top view.
Source organism: Human immunodeficiency virus type 1 (ZAIRE 6 ISOLATE)
Primary publication:
Structural and biological mimicry of protein surface recognition by alpha/beta-peptide foldamers.
Horne WS, Johnson LM, Ketas TJ, Klasse PJ, Lu M, Moore JP, Gellman SH
Proc Natl Acad Sci U S A 106 14751-6 (2009)
PMID: 19706443

Function and Biology Details

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

Structure analysis Details

Assembly composition:
hetero hexamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-137995 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Transmembrane protein gp41 Chain: A
Molecule details ›
Chain: A
Length: 36 amino acids
Theoretical weight: 4.13 KDa
Source organism: Human immunodeficiency virus type 1 (ZAIRE 6 ISOLATE)
Expression system: Not provided
UniProt:
  • Canonical: P04580 (Residues: 545-580; Coverage: 4%)
Gene name: env
Chimeric alpha+alpha/beta-peptide analogue of the HIV gp41 CHR domain Chain: B
Molecule details ›
Chain: B
Length: 38 amino acids
Theoretical weight: 4.48 KDa
Source organism: Human immunodeficiency virus type 1 (ZAIRE 6 ISOLATE)
Expression system: Not provided

Ligands and Environments

2 bound ligands:
Ligand ACE 1 x ACE
Ligand GOL 4 x GOL
1 modified residue:
Ligand B3E 2 x B3E

Experiments and Validation Details

Entry percentile scores
X-ray source: BRUKER AXS MICROSTAR
Spacegroup: R32
Unit cell:
a: 57.043Å b: 57.043Å c: 186.314Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.254 0.252 0.311
Expression system: Not provided

Quick links

Citations

23 review citations

Inhibition of α-helix-mediated protein-protein interactions using designed molecules.
Azzarito et al. (2013)
22 more

5 mentions without citation

Structure-Based Design of Inhibitors of Protein-Protein Interactions: Mimicking Peptide Binding Epitopes.
Pelay-Gimeno et al. (2015)
4 more