PDBe 3hsh

X-ray diffraction
1.8Å resolution

Crystal structure of human collagen XVIII trimerization domain (Tetragonal crystal form)


Function and Biology Details

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

Structure analysis Details

Assemblies composition:
homo trimer (preferred)
homo 24-mer
Entry contents:
1 distinct polypeptide molecule
Collagen alpha-1(XVIII) chain Chains: A, B, C, D, E, F
Molecule details ›
Chains: A, B, C, D, E, F
Length: 56 amino acids
Theoretical weight: 6.44 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
  • Canonical: P39060 (Residues: 1441-1496; Coverage: 3%)
Gene name: COL18A1
Structure domains: Seminal Fluid Protein PDC-109 (Domain B)

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 4.2.2
Spacegroup: P4212
Unit cell:
a: 71.745Å b: 71.745Å c: 134.723Å
α: 90° β: 90° γ: 90°
R R work R free
0.182 0.175 0.224
Expression system: Escherichia coli