X-ray diffraction
1.4Å resolution

B6 Fab fragment bound to the MERS-CoV spike stem helix peptide


Function and Biology Details

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

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Spike protein S2' Chain: A
Molecule details ›
Chain: A
Length: 15 amino acids
Theoretical weight: 1.83 KDa
Source organism: Middle East respiratory syndrome-related coronavirus
Expression system: Not provided
  • Canonical: K9N5Q8 (Residues: 1230-1244; Coverage: 1%)
Gene names: 3, S
B6 antigen binding fragment (Fab) heavy chain Chain: H
Molecule details ›
Chain: H
Length: 220 amino acids
Theoretical weight: 23.35 KDa
Source organism: Mus musculus
Expression system: Homo sapiens
B6 antigen binding fragment (Fab) light chain Chain: L
Molecule details ›
Chain: L
Length: 219 amino acids
Theoretical weight: 24 KDa
Source organism: Mus musculus
Expression system: Homo sapiens

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 5.0.1
Spacegroup: C2
Unit cell:
a: 93.589Å b: 60.444Å c: 79.71Å
α: 90° β: 93.75° γ: 90°
R R work R free
0.174 0.173 0.2
Expression systems:
  • Not provided
  • Homo sapiens