6gbh

X-ray diffraction
2.59Å resolution

Helicobacter pylori adhesin HopQ type II bound to the N-terminal domain of human CEACAM1

Released:

Function and Biology Details

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

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-146700 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Carcinoembryonic antigen-related cell adhesion molecule 1 Chains: B, D
Molecule details ›
Chains: B, D
Length: 115 amino acids
Theoretical weight: 12.96 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P13688 (Residues: 35-142; Coverage: 22%)
Gene names: BGP, BGP1, CEACAM1
Sequence domains: Immunoglobulin V-set domain
Structure domains: Immunoglobulins
HopQ Chains: A, C
Molecule details ›
Chains: A, C
Length: 425 amino acids
Theoretical weight: 45.24 KDa
Source organism: Helicobacter pylori
Expression system: Escherichia coli
UniProt:
  • Canonical: Q8GDI6 (Residues: 37-454; Coverage: 68%)
Gene name: hopQ
Sequence domains: SabA N-terminal extracellular adhesion domain

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SOLEIL BEAMLINE PROXIMA 1
Spacegroup: C2221
Unit cell:
a: 79.82Å b: 169.67Å c: 198.096Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.221 0.218 0.274
Expression system: Escherichia coli