3tnu

X-ray diffraction
3Å resolution

Heterocomplex of coil 2B domains of human intermediate filament proteins, keratin 5 (KRT5) and keratin 14 (KRT14)

Released:
Source organism: Homo sapiens

Function and Biology Details

Structure analysis Details

Assemblies composition:
hetero tetramer
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-135886 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Keratin, type I cytoskeletal 14 Chain: A
Molecule details ›
Chain: A
Length: 131 amino acids
Theoretical weight: 15.33 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P02533 (Residues: 295-422; Coverage: 27%)
Gene name: KRT14
Sequence domains: Intermediate filament protein
Structure domains: Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Keratin, type II cytoskeletal 5 Chain: B
Molecule details ›
Chain: B
Length: 129 amino acids
Theoretical weight: 15.07 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P13647 (Residues: 350-477; Coverage: 22%)
Gene name: KRT5
Sequence domains: Intermediate filament protein
Structure domains: Single alpha-helices involved in coiled-coils or other helix-helix interfaces

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 23-ID-B
Spacegroup: R32
Unit cell:
a: 150.991Å b: 150.991Å c: 141.623Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.21 0.209 0.234
Expression system: Escherichia coli