6o3l

X-ray diffraction
1.98Å resolution

Crystal structure of the Fab fragment of the human HIV-1 neutralizing antibody PGZL1.H4K3 in complex with its MPER peptide epitope (region 671-683 of HIV-1 gp41).

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-231711 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
PGZL1.H4K3 light chain Chains: B, L
Molecule details ›
Chains: B, L
Length: 215 amino acids
Theoretical weight: 23.28 KDa
Source organism: Homo sapiens
Expression system: Homo sapiens
PGZL1.H4K3 heavy chain Chains: A, H
Molecule details ›
Chains: A, H
Length: 227 amino acids
Theoretical weight: 24.22 KDa
Source organism: Homo sapiens
Expression system: Homo sapiens
Transmembrane protein gp41 Chains: D, E
Molecule details ›
Chains: D, E
Length: 16 amino acids
Theoretical weight: 2.19 KDa
Source organism: Human immunodeficiency virus 1
Expression system: Not provided
UniProt:
  • Canonical: P04578 (Residues: 671-683; Coverage: 2%)
Gene name: env

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL12-2
Spacegroup: P1
Unit cell:
a: 55.342Å b: 58.029Å c: 98.725Å
α: 87.94° β: 76.09° γ: 72.52°
R-values:
R R work R free
0.172 0.17 0.211
Expression systems:
  • Homo sapiens
  • Not provided