PDBe 1kxq

X-ray diffraction
1.6Å resolution

Camelid VHH Domain in Complex with Porcine Pancreatic alpha-Amylase

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Pancreatic alpha-amylase Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 496 amino acids
Theoretical weight: 55.46 KDa
Source organism: Sus scrofa
UniProt:
  • Canonical: P00690 (Residues: 16-511; Coverage: 100%)
Gene name: AMY2
Sequence domains:
Structure domains:
antibody VHH fragment CABAMD9 Chains: E, F, G, H
Molecule details ›
Chains: E, F, G, H
Length: 120 amino acids
Theoretical weight: 13.02 KDa
Source organism: Camelus dromedarius
Expression system: Escherichia coli
Structure domains: Immunoglobulins

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID09
Spacegroup: P1
Unit cell:
a: 65.17Å b: 100.92Å c: 103.74Å
α: 79.31° β: 72.63° γ: 86.11°
R-values:
R R work R free
0.197 0.197 0.219
Expression system: Escherichia coli